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Clinical Updates
January
Caution With Ashwagandha
1/02/2021
Ashwagandha may decrease the effectiveness of immunosuppressant drugs and, according to a recent case report, may trigger transplant rejection. Get the details in the Concerns and Cautions section of the Ashwagandha Supplements Review. The section includes information about other potential side effects of ashwagandha.
Coffee and Heart Disease
1/05/2021
Research published this week suggests a link between a moderate coffee consumption and reduced risk of cardiovascular disease and death. Get the details in our article about Coffee and Heart Health.
Vitamin D and COVID-19
1/09/2021
Many preliminary studies have linked adequate vitamin D levels with reduced risk of COVID-19 or less severe disease. However, a recent study did not find a benefit among people who had been supplementing with amounts generally above the recommended daily intake requirement for vitamin D. See the details in the COVID-19 section of our Vitamin D Supplements Review. Also, see our Top Picks for vitamin D.
Magnesium, Niacin and Blood Pressure
1/09/2021
Two studies this week showed the risk of high blood pressure to be lowest among people with adequate, but not excessive, dietary intakes of magnesium and niacin.
Also, see which foods are good sources of magnesium and, separately, good sources of niacin.
Vitamin D & Risk of COVID Death
1/12/2021
A recent study in the U.S. found that people hospitalized with COVID had much lower rates of death with certain blood levels of vitamin D. Get the details in the COVID-19 section of our Vitamin D Supplements Review. Also, see our Top Picks for vitamin D.
High-Dose Vitamin C for COVID-19?
1/12/2021
Does high-dose vitamin C help in people with severe COVID-19? See what a new study showed in the COVID-19 section of our Vitamin C Supplements Review.
Nicotinamide Riboside to Slow Aging and Reverse NAD+ Decline?
1/12/2021
Nicotinamide riboside, a form of niacin, has been promoted to slow aging, partially based on the belief that it raises NAD+ levels that fall with age. A new study raises doubts about this. Get the details in the Niacin section of our B Vitamin Supplement Review. Also, learn about a concern with taking too much nicotinamide riboside.
Vitamin D for Colds and Flu?
1/14/2021
Does monthly high-dose vitamin D help prevent colds and flu or lessen symptoms in older people? Find out what a recent study showed in the What It Does section of our Vitamin D Supplement Review. Also, see our Top Pick for vitamin D.
Vitamin K & Risk of COVID Death
1/14/2021
A marker of low vitamin K levels has been linked to a higher risk of death in people with COVID-19, according to a new study. Get the details in the COVID-19 section of our Vitamin K Supplements Review.
Coffee and Prostate Cancer Risk
1/15/2021
Is drinking coffee associated with prostate cancer risk? Find out what a recent study suggests in our updated answer to the question: Does drinking coffee increase or decrease the risk of cancer? Can it slow cancer progression?
Avocado Oil Quality Problems Confirmed
1/19/2021
Recent tests confirmed the finding that many avocado oils in the U.S. market contain other, cheaper oils, as reported last year. See the details, by brand, and expert tips for consumers in our answer to the question: What are the health benefits of avocado oil? Is it healthier than olive oil? Which avocado oils are best?
Vitamin D and Prediabetes
1/19/2021
Can vitamin D supplementation improve insulin resistance in people with prediabetes? See what a recent study found in the Prediabetes section of our Vitamin D Supplements Review. Also, see our Top Picks for vitamin D.
Aspirin and Colorectal Cancer Risk
1/23/2021
Regular use of aspirin may reduce or increase the risk of colorectal cancer depending on when it is initiated, according to observational studies and clinical trials. Get the details in our updated answer to the question: Which supplements help reduce the risk of colorectal cancer?
Strawberries for Memory?
1/23/2021
Can daily consumption of two cups of strawberries improve memory and cognition in older men and women? See what a new study found in our answer to the question: Do any supplements really help with brain function, like memory and cognition?
Curcumin for Reducing Muscle Soreness?
1/26/2021
Can taking curcumin (from turmeric) reduce muscle soreness related to exercise – and does it enhance muscle strengthening from exercise? See what a new study found in the Muscle Soreness and Recovery section of the Turmeric and Curcumin Supplements & Spices Review. Also see our Top Picks for turmeric/curcumin.
Ubiquinol (CoQ10) for Cognitive Function?
1/30/2021
Does taking ubiquinol, the active form of CoQ10, improve cognition in people with mild cognitive impairment? See what a new study found in the What It Does section of our CoQ10 and Ubiquinol Supplements Review. Also see our Top Picks for CoQ10 and ubiquinol.
B12 for Diabetic Neuropathy?
1/30/2021
Can high-dose vitamin B12 improve nerve function and reduce pain in people with neuropathy due to type 2 diabetes? See what a new study found in the B12 section of the B Vitamin Supplements Review. Also see our Top Picks for vitamin B12.
February
Vitamin C for Bleeding Gums?
2/02/2021
Does vitamin C supplementation reduce the tendency for gums to bleed? Find out what research shows in the What It Does section of our Vitamin C Supplements Review. Also see our Top Picks for vitamin C.
Thiamin Deficiency from Bowel Disease
2/02/2021
People with inflammatory bowel disease (such as Crohn’s or colitis) can develop thiamin (vitamin B-1) deficiency, which can lead to life-threatening brain injury, as noted in a recent review of 31 cases. Learn more about this and other causes of thiamin deficiency in the Thiamin section of our B Vitamin Supplements Review.
Garlic-Induced Burns
2/02/2021
Be aware that garlic applied to the skin may cause severe burns, and dozens of cases have been reported. Find out which form of garlic and type of skin application is particularly dangerous in the Concerns and Cautions section of our Garlic Supplements Review.
Saffron for Mood?
2/06/2021
Does saffron extract improve mood in people feeling down and anxious or stressed? See what a new study found in our article about Supplements for Depression and Anxiety.
Energy Drinks and Blood Pressure
2/09/2021
Which people are more likely to have cardiovascular side effects from energy drinks? Find out what a new study showed in the Energy Drinks & Shots section of our B Vitamins Supplements Review.
Which Form of Fish Oil Is Best Absorbed
2/12/2021
The amount of omega-3 fatty acids (EPA and DHA) that you absorb when taking fish oil depends on the form of oil and/or when you take it. A new study suggests that a certain form is better absorbed than others. Get the facts in the Forms of Fish Oil section of our Fish Oil Supplements Review. Also see our Top Picks for fish oil.
Vitamin D for Fibromyalgia?
2/12/2021
Does vitamin D supplementation help women with fibromyalgia? See what a new study found in the What It Does section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
Plant-Based Milk Caution
2/12/2021
There may be negative effects for bones when switching to certain types of plant-based milks, according to a recent study. See the details in the Concerns and Cautions section of our Plant-Based Milks Review. Be sure to see our Top Picks among plant-based milks.
Coffee And Cholesterol
2/20/2021
Large daily intake of coffee was linked to higher cholesterol levels in a recent study. At the same time, moderate intake of coffee may reduce cardiovascular disease risk.
Folic Acid for Cognitive Function?
2/27/2021
Does folic acid supplementation help with cognitive function in older people? Find out what a new study showed in the Memory and Cognition section of our B Vitamin Supplements Review. Also, see our Top Picks for folic acid.
March
Diabetes Risk With Selenium
3/02/2021
High intake of selenium from the diet or supplements has been associated with increased risk of type 2 diabetes. Get the details in the Concerns and Cautions section of our Selenium Supplements Review.
Probiotics for Ulcers?
3/02/2021
Can probiotics help treat a common cause of stomach ulcers – H. pylori infection? Find out what new guidelines say in the What It Does section of our Probiotic Supplements Review.
For information about other supplements for peptic ulcers (and those to avoid) see our answer to the question: Do supplements help treat peptic ulcer disease? Should any be avoided?
Vitamin D for COPD and Asthma?
3/02/2021
Does high-dose vitamin D help treat COPD or asthma? See what a new study found in the What It Does section of our Vitamin D Supplements Review. Also, see our Top Picks for vitamin D.
CBD Product Causes Positive Drug Test
3/03/2021
A moderately high dose of a full-spectrum CBD product caused positive drug tests in 50% of people in a recent study. See the details in the Concerns and Cautions section of our CBD & Hemp Extract Supplements, Lotions, and Balms Review.
Melatonin After Stroke?
3/05/2021
Melatonin supplementation may reduce the risk of developing delirium after a stroke, according to a new study. Get the details in the What It Does section of our Melatonin Supplements Review. Also see our Top Picks among melatonin supplements.
Ashwagandha for Exercise Endurance?
3/05/2021
Can ashwagandha improve endurance and decrease fatigue during exercise? See what a new study found in the What It Does section of the Ashwagandha Supplements Review. Also see our Top Pick among ashwagandha supplements.
More Fish, Less Death for Some
3/09/2021
A recent analysis found that regular consumption of fish was associated with an 18% lower risk of death over a 9-year period. Get the details in the What It Does section of our Canned Fish Review. Also see our Top Picks among canned and packaged tuna, salmon and sardines.
Coconut Oil for Lowering Blood Pressure?
3/09/2021
Can coconut oil lower blood pressure in people with mild hypertension? See what a new study found in the What It Does section of our Coconut Oil and MCT Oil Review. Also see our Top Picks among coconut and MCT oils.
Almonds for Wrinkles?
3/09/2021
Can eating almonds reduce facial wrinkles in postmenopausal women? See what a new study found.
Fibromyalgia Supplement?
3/13/2021
Pycnogenol (French pine bark extract) was recently reported to reduce muscle pain and fatigue in people with fibromyalgia, but how strong is the evidence?
Does Coffee Consumption Lower Cardiovascular Risk, or Is It the Other Way Around?
3/16/2021
New study results may undermine the association between moderate coffee consumption and reduced risk of cardiovascular disease. Find out in our updated answer to the question: Is drinking coffee good or bad for heart health?
Melatonin and Cancer
3/18/2021
Can high-dose melatonin increase survival time or improve symptoms in people with advanced lung cancer? See what a new study found in the What It Does section of our Melatonin Supplements Review.
Also see results of a study in which melatonin was given during breast cancer treatment.
See our Top Picks among melatonin supplements.
Also see results of a study in which melatonin was given during breast cancer treatment.
See our Top Picks among melatonin supplements.
How Much Sun to Boost Vitamin D?
3/22/2021
Find out how much sun exposure was needed in a recent study to significantly increase vitamin D levels in older people in the Getting Vitamin D from Sunlight section of our Vitamin D Supplements Review. Also see our Top Picks among vitamin D supplements.
Folic Acid and Colorectal Cancer
3/22/2021
Do higher intakes of folic acid and other sources of folate increase or decrease the risk of colorectal cancer? It may depend on time, according to a new study discussed in the Folate section of our B Vitamin Supplements Review. Also see our Top Picks among B vitamin supplements.
MCT Oil for Mild Cognitive Impairment?
3/22/2021
Can medium chain triglycerides (MCTs – from coconut oil) boost brain energy and improve thinking in people with mild cognitive impairment? Find out what a recent study found in the What It Does section of our Coconut and MCT Oils Review. Also see our Top Picks among coconut and MCT oils.
Birth Control and Vitamin D
3/22/2021
Can taking birth control pills affect vitamin D levels? Find out what a recent study found in the Concerns and Cautions section of our Vitamin D Supplements Review.
Curcumin & Prostate Cancer
3/26/2021
Does curcumin benefit men undergoing chemotherapy for prostate cancer? See what a new study found in the What It Does section of our Turmeric and Curcumin Supplements & Spices Review. Also see our Top Picks among turmeric and curcumin products.
Vitamin D & Healing Bones
3/29/2021
Broke a bone? A recent case shows how important sufficient vitamin D can be to properly heal a fracture. See the Bones and Fractures section of the Vitamin D Supplements Review. Also see our Top Picks among vitamin D supplements.
April
Fish Oil for Memory?
4/03/2021
Can taking high-dose fish oil improve memory and cognitive function in older people with coronary artery disease? Find out what a recent study showed in the Age-related Cognitive Decline section of our Fish Oil Supplements Review. Also see our Top Picks among fish oil supplements.
Diabetes & Sardines
4/03/2021
Can eating sardines reduce the risk of type 2 diabetes? See what a new study found in the What It Does section of our Tuna, Salmon & Sardines Review. Also see our Top Picks for sardines, canned salmon and tuna.
Learn about the effects of fish oil supplements on blood sugar and insulin sensitivity in our Fish Oil Supplements Review.
Vitamin D for ED?
4/05/2021
Taking vitamin D may increase the benefits of a common medication for men, according to a recent study. Get the details in the What It Does section of our Vitamin D Supplements Review. Also see our Top Picks among vitamin D supplements.
Vitamin D & Muscle
4/08/2021
Can taking high-dose vitamin D improve strength gains from exercise? See what a new study found in the What It Does section of our Vitamin D Supplements Review. Also see our Top Picks among vitamin D supplements.
Cranberry and UTIs
4/09/2021
Two popular cranberry supplements promoted for urinary tract health were compared in a clinical study that showed one to be 4 times as effective as the other at preventing the adhesion of UTI-causing bacteria in urine. Get the details in our article about Cranberry and UTIs.
CBD for Low Back Pain?
4/16/2021
Does taking CBD help in treating acute low back pain? See what a recent study found in the What It Does section of our CBD & Hemp Extract Supplements, Lotions, and Balms Review. Also see our Top Picks among CBD products.
Probiotic for Rheumatoid Arthritis?
4/19/2021
Can taking a probiotic reduce joint swelling in rheumatoid arthritis? See what a new study found in the What It Does section of our Probiotic Supplements Review.
Collagen and Breast Cancer?
4/22/2021
Does supplementing with collagen increase the risk of breast cancer recurrence? Learn what the evidence shows in the Concerns and Cautions section of our Collagen Supplements Review.
Olive Oil & Alzheimer's?
4/23/2021
Can regular consumption of extra virgin olive oil improve cognition and reduce blood levels of markers associated with Alzheimer's disease? See what a recent study found in the What It Does section of our Extra Virgin Olive Oils Review. Also see our Top Picks among olive oils.
Vitamin D for Healing Fractures?
4/23/2021
Does vitamin D supplementation improve healing of bone fractures in postmenopausal women? See what a new study found in the Bone and Fractures section of our Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
Best Curcumin Formulation?
4/26/2021
Which curcumin formula has the best bioavailability? Learn what a recent study found when comparing the popular formulas C3 Complex, Meriva, NovaSOL and Turmipure Gold. See the Absorption and Bioavailability section of the Turmeric and Curcumin Supplements and Spices Review. Also see our Top Picks among turmeric and curcumin products.
Migraine & Watermelon?
4/26/2021
Can watermelon or other natural foods trigger migraine? See what a recent study found in our updated article about Supplements, Foods, and Migraine.
Magnesium for Parkinson's Disease?
4/26/2021
Can taking magnesium help treat Parkinson’s disease? Find out what research shows in the What It Does section of our Magnesium Supplements Review. Also, be aware that Parkinson's medication can affect absorption of magnesium and vice versa.
Does Kefir Lower Cholesterol?
4/30/2021
Can drinking kefir that contains probiotics, decrease LDL cholesterol or triglyceride levels in people with metabolic syndrome? See what a new study found the Cholesterol-Lowering section of our Probiotic Supplements Review. Also see our Top Picks among probiotic supplements and drinks.
Saffron for Sleep?
4/30/2021
Can saffron extract improve sleep in people with mild to moderate insomnia? See what a new study found in our updated answer to the question: Which supplements can help me sleep and which cause insomnia?
Curcumin and Gout
4/30/2021
Can curcumin help people with gout by lowering blood levels of uric acid? Find out in the What It Does section of our Turmeric and Curcumin Supplements and Spices Review. Also see our Top Picks for curcumin and turmeric.
Best Form of Magnesium?
4/30/2021
Find out how forms and formulations of magnesium differ, and their usefulness for different conditions. See the Choosing the Right Form of Magnesium section of our Magnesium Supplements Review. Also see our Top Picks for magnesium.
May
Lycopene for BPH?
5/03/2021
Can taking lycopene improve symptoms of BPH? Find out what a recent study found in the What It Does section of our Lycopene Supplements review. Also, see our Top Pick for lycopene.
CBD for Pain?
5/03/2021
Can CBD reduce pain severity or help people better tolerate pain? See what a recent study found in the What It Does section of our CBD & Hemp Extract Supplements, Lotions, and Balms Review.
GABA for Cognition?
5/03/2021
Can taking GABA improve cognition? See what a new study found in our updated article about GABA (gamma-aminobutyric acid).
Grape Seed Extract for Blood Pressure?
5/03/2021
Can grape seed extract lower blood pressure? See what a new study found in our article about the Health Benefits of Grape Seed Extract.
PEA for Joint Pain?
5/03/2021
Can PEA (palmitoylethanolamide) reduce joint pain? Find out what a recent study found in our answer to the question: Which supplements can help with arthritis?
Glutathione for Blood Sugar?
5/03/2021
Does taking glutathione improve blood sugar control in people with type 2 diabetes? Find out what a recent study showed in our answer to the question: Do glutathione supplements work to prevent aging or for other conditions?
Seizures from Essential Oils
5/07/2021
Although uncommon, certain essential oils have been reported to trigger seizures in people with or without a history of seizures, even when only used topically. Get the details.
Eggs, Choline, & Heart Risk
5/07/2021
The choline in eggs can raise levels of TMAO, a compound associated with higher risk of heart attack. A recent study compared the effects of eating eggs versus taking choline supplements on TMAO levels. Find out which increased TMAO levels the most. Also, see our Top Pick among choline supplements.
Whitener In Many Pills May Not Be Safe
5/10/2021
Titanium dioxide, which is commonly used to whiten pills, is not safe according to the European equivalent of the FDA. Find out why in our Review Article about Inactive Ingredients.
Probiotic for Autism?
5/11/2021
Can a probiotic supplement improve symptoms of autism spectrum disorder? Find out what a recent study showed in the What It Does section of our Probiotic Supplements Review. Also, see our Top Picks for probiotic supplements.
Black Seed Oil for Blood Sugar Control?
5/11/2021
Find out if black seed oil improved blood sugar control in people with prediabetes in our updated answer to the question: What are the health benefits of black cumin seed (black seed) oil?
High-Dose Vitamin D?
5/14/2021
Giving a single large dose of vitamin D doesn't help people already getting sufficient vitamin D, according to a recent study. And too much vitamin D can have negative effects. Get the details in the How Much Do You Need and How Much Is Too Much section of our Vitamin D Supplements Review. Also see our Top Picks for vitamin D supplements.
Choline for Memory?
5/14/2021
Can choline supplementation improve cognitive function in older men and women? See what a recent study found in the Memory and Cognition section of our Choline Supplements Review. Also see our Top Picks among choline supplements as well as Concerns and Cautions with choline supplements.
Misleading Kefir Claims
5/14/2021
Recent testing of several popular kefir beverages in the U.S. found that none contained their claimed amount of live probiotic cells -- although a popular yogurt did. See the results, by brand, in the Kefir section of our Probiotic Supplements Review. Also see our Top Picks among probiotic supplements and drinks.
Fish Oil Interaction With Medication
5/17/2021
High-dose fish oil can significantly increase blood levels of certain immunosuppressants, according to new research. Get the details in the Concerns and Cautions section of our Fish Oil Supplements Review, which includes information about other drug interactions with fish oil.
Folic Acid for Hot Flashes?
5/17/2021
Can folic acid supplementation reduce hot flashes or improve mood in postmenopausal women? See what a new study found in the B Vitamin Supplements Review.
How Well Do Vitamin D Supplements Raise Levels?
5/21/2021
A recent study shows the law of diminishing returns when taking high doses of vitamin D. For details, see the How Much Do You Need section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D Supplements.
Possible Toxin in Straws
5/21/2021
Potentially toxic compounds known as PFAS occur in some brands of dental floss and a variety of other products. A new report indicates that PFAS are also in certain drinking straws. Find out more.
Fibromyalgia Risk With Iron Deficiency Anemia?
5/21/2021
A recent study suggests a link between iron deficiency anemia and fibromyalgia, particularly in women. Get the details in the What It Does section of our Iron Supplements Review. Also see our Top Picks among iron supplements.
Does Iron Affect Stroke Risk?
5/21/2021
There are downsides to taking too much iron, but a recent analysis suggests that getting a basic amount of iron may reduce stroke risk for women. Get the details in the Concerns and Cautions section of our Iron Supplements Review.
Does Creatine Cause Hair Loss?
5/24/2021
Find out if creatine supplements cause hair loss. See the Concerns and Cautions section of our Muscle & Workout Supplements Review. Also, see our Top Picks for creatine supplements.
Ginger for Stomach Flu?
5/24/2021
Can ginger extract reduce vomiting due to stomach flu? See what a new study found in the What It Does section of the Ginger Supplements Review. Also see our Top Picks among ginger supplements, chews, and spices.
Plant Milks and Kidney Stones
5/28/2021
Do almond, cashew, oat, soy or other plant-based milks increase the risk of kidney stones due to their oxalates? Find out in the Concerns and Cautions section of our Plant-Based Milks Review and see which carry the highest risk. Also see our Top Picks among plant-based milks.
Don't Do This If You Need Iron
5/28/2021
If you're low in iron, be aware that many foods dramatically reduce absorption of iron from your diet. Teas can also have a major impact, as shown in a recent study. Get the details in the What to Avoid section of our Iron Supplements Review. Also see our Top Picks among iron supplements.
Citrus And Skin Cancer Risk?
5/31/2021
Does consuming citrus fruits and juices increase your risk of skin cancer? See what a recent study found in our update to our answer about supplements, foods, and sun damage.
Vitamin D for Orthostatic Hypotension?
5/31/2021
Can supplementing with vitamin D reduce the risk of orthostatic hypotension (low blood pressure when standing)? Find out what a recent study showed in the What It Does section of our Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
Diet And Exercise For Tinnitus?
5/31/2021
Can dieting and exercise improve tinnitus symptoms? Find out what a recent study showed in the update to our answer about supplements and lifestyle changes for tinnitus.
June
Melatonin & Weight
6/07/2021
Can melatonin supplementation improve sleep or reduce weight? See what a new study among nightshift workers found in the What It Does section of the Melatonin Supplements Review. Also see our Top Picks for melatonin.
GlyNAC vs. NAC
6/07/2021
What is GlyNAC, how does it compare to NAC, and does it have anti-aging effects? Find out in the What It Does section of our N-acetyl cysteine (NAC) Supplements Review. Also, see our Top Picks for NAC.
GLA for Inflammation?
6/07/2021
Can taking GLA (gamma-linolenic acid) supplements help reduce inflammation? Find out in our answer to the question: Can any supplements be used to reduce inflammation in people sensitive to NSAIDs such as ibuprofen, high-dose aspirin, or naproxen?
Vitamin D and Melanoma
6/11/2021
Can vitamin D supplementation improve outcomes in people with melanoma skin cancer? See what a new study found in the What It Does section of the Vitamin D Supplements Review.
Also see our answer to the question: Do any supplements or foods help prevent sunburn or skin damage from sun exposure? Can any increase your risk of sun-related skin damage?
Also see our answer to the question: Do any supplements or foods help prevent sunburn or skin damage from sun exposure? Can any increase your risk of sun-related skin damage?
Vitamin D for Asthma?
6/11/2021
Can vitamin D supplementation reduce immune reactions to common asthma triggers, such as dust mites? Find out what a recent analysis showed in the What It Does section of our Vitamin D Supplements Review.
Vitamin D May Increase the Risk of Fractures from Falls
6/14/2021
Taking doses of vitamin D above the RDA when not necessary may increase the risk of first-time falls with fractures, according to a recent analysis. Get the details in the Muscle, Balance and Falls section of the Vitamin D Supplements Review. Also see our Top Picks for low, moderate and high-dose vitamin D supplements.
Vitamin D & Triglycerides?
6/18/2021
Can taking high-dose vitamin D increase triglyceride levels? See what a new analysis found in the Concerns and Cautions section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
Glutamine and Exercise
6/18/2021
Can glutamine supplementation decrease muscle breakdown from exercise? See what a recent study showed in the What It Does section of our Muscle & Workout Supplements Review. Also see our Top Picks among muscle and workout products.
CBD Interaction With Caffeine
6/18/2021
Be aware that if you consume caffeine, very high doses of CBD may increase caffeine levels in the body and, potentially, caffeine side effects, according to a new study. Get the details about this and other interactions in the Concerns and Cautions section of our CBD & Hemp Extracts Review. Also see our Top Picks among CBD oils and hemp extracts.
Diet and Dementia
6/21/2021
Which foods were linked to a lower risk of dementia in a recent study? Find out in our article about supplements and foods for Memory and Cognition.
DHA & Preterm Birth
6/21/2021
Can the risk of preterm birth be reduced when pregnant women supplement with an the omega-3 fatty acid? See what a new study found in the What It Does section of our Fish Oil Supplements Review. Also see our Top Picks among fish oil supplements, including prenatal products.
Avocado & Soy Unsaponifiables for Osteoarthritis?
6/21/2021
Can avocado and soy unsaponifiables (ASU) reduce pain and stiffness in people with knee or hip osteoarthritis? Find out in our updated answer to the question: Which supplements can help with arthritis?
Caution With Too Much Magnesium
6/25/2021
Magnesium can be an effective laxative, but taking too much magnesium can be very dangerous, as was recently reported. Get the details in the Concerns and Cautions section of our Magnesium Supplements Review.
Also see our answer to the question: Which supplements can help treat constipation?
Also see our answer to the question: Which supplements can help treat constipation?
Whey vs Rice and Potato Protein
6/26/2021
Whey, rice and potato proteins were found to have different effects on blood sugar and insulin levels in a recent study. Find out how they differ. You can also learn more about these and other protein sources in the ConsumerTips section of our Protein Powders, Shakes and Drinks Review. Also see our Top Picks among protein powders.
Hyaluronic Acid for Wrinkles?
6/27/2021
Does supplementing with hyaluronic acid reduce wrinkles or improve skin elasticity in middle-aged men and women? See what a new study found in the Aging Skin and Wrinkles section of our Collagen Supplements Review. Also see our Top Picks for collagen supplements for skin and for joints.
Chia Risk
6/28/2021
Don't overdo it with chia seeds, as they contain compounds that, in excess, can increase the risk of kidney stones and kidney injury. Get the details in the Concerns and Cautions section of our Chia Seeds Review. Also, see our Top Picks among chia products.
July
Probiotics for C. difficile infection?
7/02/2021
New guidelines recommend against probiotics for treating or preventing C. difficile infection, one cause of diarrhea in people taking antibiotics. Find out why in the What They Do section of our Probiotic Supplements Review.
Fish Oil for Migraine?
7/06/2021
Can the risk of migraine headache be reduced by increasing intake of omega-3 oils from fish? Find out what a recent study showed in the Migraine Headache section of our Fish Oil Supplements Review. Also see our Top Picks among canned tuna, salmon and sardines.
Liver Injury With Ashwagandha
7/09/2021
Although rare, liver injury has been linked to the use of certain ashwagandha supplements. Another case was recently reported. Get the details in the Concerns and Cautions section of the Ashwagandha Supplements Review.
Niacin for Parkinson's?
7/09/2021
Can niacin supplementation improve symptoms or slow decline in people with Parkinson's disease? See what a new study found in the Niacin section of our B Vitamin Supplements Review.
Also see our answer to the question: Do supplements help with Parkinson's disease treatment or prevention?
Also see our answer to the question: Do supplements help with Parkinson's disease treatment or prevention?
Hidden Forms of B-12 Deficiency
7/12/2021
Vitamin B-12 deficiency can occur even in people with "normal" blood levels of B-12, as was most recently reported in a 30-year-old man. Learn more, including the wide range of symptoms of B-12 deficiency and information about testing for B-12 deficiency in our B Vitamin Supplements Review. Also see our Top Picks for B-12.
Magnesium for Leg Cramps?
7/12/2021
Can magnesium supplementation reduce leg cramps? See what a recent analysis of the data showed for leg cramps in pregnant women. Also see the evidence for use by older men and women in our Magnesium Supplements Review.
Also see our answer to the question: Do magnesium creams, sprays and oils help with muscle pain and cramps? How about supplements?
Also see our answer to the question: Do magnesium creams, sprays and oils help with muscle pain and cramps? How about supplements?
Melatonin and Autism
7/12/2021
Can melatonin supplementation improve sleep, behavior, or mood in children with autism spectrum disorder? See what a new study found in the What It Does section of the Melatonin Supplements Review. Also see our Top Picks among melatonin supplements.
Fish Oil and Fatty Liver Disease?
7/16/2021
Can taking fish oil over a lifetime increase the risk of developing fatty liver disease? Find out in the Concerns and Cautions section of the Fish Oil Supplements Review.
Echinacea for Anxiety?
7/16/2021
Can echinacea reduce symptoms of mild to moderate anxiety? See what a recent study found in the What It Does section of our Echinacea Supplements Review. Also see our Top Picks among echinacea supplements.
Also see our answer to the question: What are the best supplements for depression and anxiety?
Also see our answer to the question: What are the best supplements for depression and anxiety?
Magnesium & Memory
7/20/2021
Does supplementation with magnesium (as magnesium L-threonate, Magtein) improve cognition in people with dementia? Find out in the Dementia & Cognition section of our Magnesium Supplements Review.
Calcium, Vitamin D & Heart Risk
7/20/2021
Does taking vitamin D reduce the cardiovascular risks associated with calcium supplementation? See what a new study found in the Concerns and Cautions section of our Calcium Supplements Review. Also see our Top Picks among calcium supplements.
Coffee and Heart Rhythm Risk
7/20/2021
Is coffee consumption associated with the risk of atrial fibrillation and other arrythmias? See the latest findings in our article about Coffee and Heart Health.
Collagen for Joint Pain?
7/23/2021
Can collagen supplementation reduce joint pain or stiffness in the knee, hip or wrist? See what a new study found in the Joint Pain section of our Collagen Supplements Review. Also see our Top Picks among collagen supplements for joints and for skin.
Cranberry for H. pylori Infection?
7/23/2021
Can cranberry juice help treat H. pylori infection – a cause of stomach inflammation and ulcers? See what a new study found in the What It Does section of our Cranberry Juices and Supplements Review. Also see our Top Picks among cranberry juices and supplements.
Vitamin D and Pregnancy Outcomes
7/23/2021
Can taking vitamin D during pregnancy reduce the risk of preterm labor, low birth weight or pregnancy loss? Find out what a recent study showed in the Pregnancy section of our Vitamin D Supplements Review. Also, see our Top Picks among vitamin D supplement.
Diatomaceous Earth for Cholesterol?
7/23/2021
Can supplementing with diatomaceous earth lower cholesterol levels and is it safe? Find out in our updated answer to the question: Which supplements can help lower cholesterol and keep my heart healthy? Are there any to avoid?
Sulfa Allergy to NAC?
7/23/2021
Can people with a sulfa allergy (an allergy to sulfonamide drugs) use NAC, which contains sulfur? Find out in the Concerns and Cautions section of our N-Acetylcysteine Supplements Review.
Cholestene Update
7/24/2021
The FDA recently advised consumers not to use the popular red yeast rice product, Cholestene, based on its testing. We asked the FDA what it actually found in Cholestene. Find out what we learned in the Update to our Red Yeast Rice Review.
Fish Oil and Colon Cancer
7/26/2021
Does fish oil supplementation decrease the risk of abnormal colorectal growths or other changes associated with colorectal cancer? See what a new study found in the Cancer section of our Fish Oil Supplements Review.
Danger from Too Much Zinc
7/26/2021
Getting too much zinc can cause neurologic symptoms, and this can occur even with zinc-containing dental adhesives. Learn more, including the symptoms, in the Concerns and Cautions section of our Zinc Supplements & Lozenges Review.
Cranberry for Men?
7/26/2021
Can cranberry extract reduce urinary frequency, urgency, and infections in men with benign prostatic hyperplasia (BPH)? Find out in the What It Does section of our Cranberry Juices and Supplements Review. Also see our Top Picks among cranberry juices and supplements.
Diets for Fatty Liver Disease
7/26/2021
Are some diets more beneficial than others for fatty liver disease? Find out in our CL Answer about supplements and diets for fatty liver disease.
What Is Omega-10?
7/26/2021
What is an "omega-10" supplement and are these products better than omega-3 fatty acid supplements such as fish oil? Find out in our Fish Oil Supplements Review.
Statins Plus Fish Oil?
7/30/2021
Can taking high-dose omega-3s decrease triglyceride levels in people taking a statin drug? See what a new study found in the Taking With Statins section of our Fish Oil Supplements Review. Also see our Top Picks among fish oil supplements, including highly concentrated products.
How Forms of Magnesium Compare
7/30/2021
Magnesium supplements are used to raise magnesium levels (which requires good absorption from the gut), as laxatives, and as antacids. The best form of magnesium depends on why you're taking it. To help you choose the right form, we've put together a magnesium comparison table. Also see our Top Picks among magnesium supplements.
Coffee And Fatty Liver Disease?
7/30/2021
Can drinking coffee help prevent fatty liver disease and liver fibrosis (scarring)? Find out what research suggests in our CL Answer about supplements and diets for fatty liver disease.
Pesticides in Milk Thistle?
7/30/2021
Some milk thistle products may be contaminated with pesticides, according to a study of more than 25 commercially available supplements. Learn more in the Quality Concerns section of our Milk Thistle Supplements Review.
Improving Berberine Absorption?
7/30/2021
Learn if special formulations have greater benefit than berberine alone, in the ConsumerTips section of our Berberine and Goldenseal Supplements Review.
Bergamot for lowering cholesterol?
7/30/2021
Can supplementing with citrus bergamot reduce high cholesterol levels? Find out what the research is showing in our updated answer to the question: Which supplements can help lower cholesterol and keep my heart healthy? Are there any to avoid?
Juices for Kidney Stones?
7/30/2021
Are cranberry juice or apple cider vinegar good sources of citrate to lower the risk of kidney stones? Find out in our updated answer to the question: Can lemon juice, lemonade, or other juices reduce my chances of getting kidney stones?
Gynostemma for Weight?
7/30/2021
Can taking Gynostemma pentaphyllum extract help reduce weight? We've added information about this to our article about Gynostemma (which is also promoted for diabetes and high cholesterol treatment).
August
Vitamin D for IBS?
8/02/2021
Can vitamin D supplementation reduce the severity of symptoms in people with irritable bowel syndrome (IBS)? See what a new study found in the What It Does section of our Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
Coffee and Dementia?
8/02/2021
Can drinking coffee increase or decrease the risk of dementia? A cause-and-effect relationship has not been established but some striking associations were recently found based on consumption levels. We've added the details to the Safety section of our article about Coffee and Heart Health.
Waning Vaccine Efficacy?
8/02/2021
If you were vaccinated in January or February, should you be concerned about waning efficacy?
Hospitalization or Death in Vaccinated People
8/02/2021
How likely is hospitalization or death from COVID in vaccinated people? See what recent data shows.
Vaccine Adverse Events in Adolescents
8/02/2021
How common are adverse events in adolescents who get vaccinated? See what real-world data shows.
New Vaccine Recommendations for Women Who are Pregnant or Breastfeeding
8/02/2021
There are new vaccine recommendations for women who are pregnant or breastfeeding. See what's changed.
Tests to Detect COVID Variants?
8/02/2021
Can standard COVID-19 tests identify which variant caused an infection? Find out in our updated CL Answer about tests for COVID-19.
Ivermectin
8/02/2021
Find out why ivermectin is generally not recommended for COVID-19 outside of clinical trials, despite some research suggesting a benefit.
Caution With Earl Grey Tea and Bergamot
8/05/2021
Consuming very large amounts of bergamot (which is found in supplements and teas, such as Earl Grey) may cause adverse effects. Get the details in the Bergamot section of our article about Supplements for Lowering Cholesterol.
COVID Transmission Among Vaccinated?
8/06/2021
Can you catch COVID from someone who is vaccinated if you are vaccinated? Find out what data suggests in our article about COVID-19 Vaccines.
Vaccination in People Who've Already Had COVID
8/06/2021
How much protection do vaccines provide to people who've already had COVID? See what a recent study suggests in our article about COVID-19 Vaccines.
COVID Vaccination in People With Neurologic Conditions
8/06/2021
Should people with neurologic conditions – including dementia, Alzheimer's disease, MS, and epilepsy – get vaccinated? Find out what experts recommend.
Curcumin for Indigestion?
8/06/2021
How well does curcumin (from turmeric) improve digestive symptoms such as indigestion, diarrhea or constipation? See what a new study found in the What It Does section of our Turmeric and Curcumin Supplements & Spices Review. Also see our Top Picks among turmeric and curcumin products.
Bergamot for Fatty Liver?
8/06/2021
Can bergamot help reduce cholesterol or liver fat in people with fatty liver disease? Find out in our updated answer about Supplements and Diets for fatty Liver Disease.
Peppermint Oil for IBS?
8/06/2021
Can peppermint oil supplements improve symptoms in people with irritable bowel syndrome (IBS)? See what a new study found in our updated article about Peppermint Oil and IBS.
Vitamin D and Palliative Cancer Care
8/06/2021
Can high-dose vitamin D supplementation in palliative care cancer patients reduce pain and fatigue? Find out what a recent study showed in the Cancer section of our Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
Pfizer vs. Moderna for Breakthrough Delta Infections
8/09/2021
A recent study suggests that Pfizer and Moderna are not equal in protecting against Delta infection. See the details in our article about COVID Vaccines.
COVID Risk & Immune Disease
8/09/2021
Are people with rheumatoid arthritis, psoriatic arthritis, lupus, and other immune diseases at higher risk of severe re-infections? See the latest findings.
Asymptomatic COVID & Transmission
8/09/2021
COVID Home Test Limitations
8/09/2021
COVID-19 home tests, like the 15-minute Abbott BinaxNOW, have significant limitations in real-world use according to a recent study.
Pulse Oximeter Accuracy
8/09/2021
Can you get an accurate pulse oximeter measurement while wearing nail polish?
Also learn how to get the most accurate reading with pulse oximeters and see our choice for best home pulse oximeter.
Also learn how to get the most accurate reading with pulse oximeters and see our choice for best home pulse oximeter.
Herbal Treatment
8/09/2021
Are traditional Chinese medicines, such as astragalus, helpful in treating or preventing COVID-19? Find out what reviews of the research have concluded in our article about Supplements and COVID-19.
Vitamin D & Risk of Falls
8/09/2021
A recent study showed that high-dose vitamin D may increase the risk of falls for certain people. Get the details in the Muscle, Balance, and Falls section of our Vitamin D Supplements Review.
Coffee and Arterial Stiffness
8/09/2021
Does drinking coffee increase arterial stiffness, a predictor of heart disease? Find out what research shows in our updated answer about Coffee and Heart Health.
Best Form of B-12 for Vegans?
8/09/2021
What form of vitamin B-12 appeared best at raising B-12 levels among people on plant-based diets in a new study, and how did this compare to getting B-12 from plant-based foods? Find out in the B-12 section of our B Vitamin Supplements Review. Also see our Top Picks for vitamin B-12.
Hip Fracture Risk With Vegan Diet
8/09/2021
Does following a vegan diet increase the risk of hip fracture in middle-aged and older women, and does supplementing with calcium and vitamin D help? See what a recent study found in the "What It Does" sections of our Calcium Supplements Review and Vitamin D Supplements Review. Also see our Top Picks among calcium supplements and vitamin D supplements.
Probiotic for Indigestion?
8/09/2021
Can taking a probiotic with a meal decrease indigestion, gas or stomach pain after eating? See what a new study found in the What They Do section of our Probiotic Supplements Review. Also, see our Top Picks among probiotics for gastrointestinal symptoms and other uses.
Danger With Too Much B-6
8/13/2021
A CL member recently told us about a friend who developed progressively worsening neuropathy (nerve damage) after taking very high dose vitamin B-6. It's important to be aware of the upper daily limit for vitamin B-6 and that taking too much can cause nerve damage, as well as skin lesions and other adverse effects, as discussed in detail in our B Vitamin Supplements Review.
Vietnamese Cinnamon Concern
8/13/2021
Our tests of cinnamon found higher concentrations of the toxin coumarin in Vietnamese cinnamon. A similar finding was recently reported. Learn more in our Cinnamon Supplements & Spices Review – and see how products compared in our tests.
How to Get a Third Vaccine Dose
8/13/2021
A 3rd dose of the mRNA vaccines was authorized for immune suppressed individuals. Find out who can get it and how.
Which Immunosuppressants Reduce Vaccine Protection?
8/13/2021
Find out which immunosuppressants may reduce vaccine protection in our article about COVID Vaccines.
Pfizer Vs. Moderna Against Delta Variant
8/13/2021
See how Pfizer compared to Moderna against the Delta variant in the latest study.
J&J Vaccine and the Delta Variant
8/13/2021
Did the J&J vaccine protect against severe Delta infection in the latest study? Find out now.
COVID Vaccination During Pregnancy
8/13/2021
Vaccination is now recommended during pregnancy. Get the latest details in our article about COVID Vaccines.
Myocarditis in Adolescents
8/13/2021
Get the latest information about vaccine-related myocarditis in adolescents.
Who's Mostly Likely to Develop Myocarditis After Vaccination
8/13/2021
Find out which group of people (it's not adolescents) are most likely to develop myocarditis after the Pfizer or Moderna vaccines and how the risk compares to their not being vaccinated.
J&J Vaccine Blood Clot, Guillain-Barre Risk
8/13/2021
How common are blood clots and low platelet counts or Guillain-Barre syndrome after the J&J vaccine?
Sunscreens - What to Look Out For
8/16/2021
In case you missed it, we recently posted a list of sunscreens found to contain a carcinogenic compound not listed on their labels. We have also added information about ingredients that are on labels that you might want to look out for. See the details in our article: "Which compounds in sunscreen should I be concerned about?"
Also see our article about benzene -- another carcinogen found in sunscreens -- that lists benzene amounts in hundreds of sunscreens and after-sun products.
Also see our article about benzene -- another carcinogen found in sunscreens -- that lists benzene amounts in hundreds of sunscreens and after-sun products.
CBD for Burnout?
8/16/2021
Healthcare workers were given daily CBD to see if it reduced symptoms of emotional exhaustion and burnout. Did it work and was it safe? See the findings in the What It Does section of our CBD Oil & Hemp Extracts Review.
Diets to Reduce Migraine?
8/16/2021
Certain diets are associated with fewer and less severe migraine attacks, according to a recent study. Get the details in our updated answer to the question: Do any supplements or foods help with migraine? Do any trigger migraine?
NAC & Body Odor
8/16/2021
Can supplementing with N-acetyl-cysteine (NAC) cause body odor? Find out in the Concerns and Cautions section of our NAC Supplements Review.
Mixing Vaccines
8/16/2021
Does mixing vaccines provide stronger immunoprotection than a single type? See what studies are showing.
Extra Vaccine Dose
8/16/2021
You can get an extra vaccine dose if you are immunocompromised or take medication that suppresses your immune system. Get the details.
COVID Risk of Death
8/16/2021
Which factors increase the risk of death from COVID-19 among adolescents?
COVID Infectiousness
8/16/2021
Be aware that even without symptoms, people with COVID-19 can emit high amounts of virus as aerosols, according to recent research. Get the details and find out what researchers recommend to help protect yourself when indoors.
Diabetes and Fruit Intake
8/18/2021
Eating whole fruits is associated with reduced risk of type 2 diabetes and better blood sugar control. But how much fruit is associated with greatest benefit, and what's the role of apples, bananas, and citrus fruits? See what a recent study showed. It's all in our article: Which supplements and foods can help lower or control my blood sugar?
Mediterranean vs. Low-Fat Diet for Arteries
8/20/2021
A long-term study in people with coronary heart disease compared the effects of a Mediterranean diet rich in olive oil with a low-fat diet. Find out which diet decreased atherosclerosis (plaque build-up in arteries) in the Cardiovascular Disease section of our Extra Virgin Olive Oil Review. Also see our Top Picks among extra virgin olive oils.
Bacopa for Better Sleep and Mood?
8/20/2021
Does Bacopa extract improve sleep or mood? Find out what a recent study showed in our updated answer to the question: Does Bacopa extract improve memory, mood or sleep? Is it safe?
Omega-7s for Muscle Pain?
8/20/2021
Can supplementation with omega-7 fatty acids (from fish oil) reduce muscle pain or inflammation in the body? See what a new study found, and learn if omega-7s have other benefits in the omega-7 section of our Fish Oil Supplements Review. Also see how much omega-7 we found in popular fish oil products.
COVID Vaccine 8-Month Booster
8/21/2021
Learn about the waning efficacy of COVID vaccines, why the booster is being offered, why at 8 months, as well as who can get it, when and how.
COVID Vaccine and Anemia
8/21/2021
Should people with anemia get vaccinated?
Inferior Turmeric on Amazon
8/22/2021
Tests of turmeric and curcumin supplements purchased on Amazon showed that many provided very little curcumin, a key compound in turmeric, and other problems. Get the details in the Quality Concerns section of our Turmeric and Curcumin Supplements & Spices Review. Also see our Top Picks among turmeric and curcumin products.
Air Cleaners for Wildfire Smoke
8/23/2021
Find out which types of portable air cleaners are best for wildfire smoke. Also see our top picks among air cleaners (including for use in reducing viral exposure).
Parkinson's Disease: 5-HTP for Sleep?
8/23/2021
Can supplementation with 5-HTP reduce sleep disturbances in people with Parkinson's disease? See what a recent study found in the What It Does section of our L-Tryptophan and 5-HTP Supplements Review.
Also see our answer to the question: Do supplements help with Parkinson's disease treatment or prevention?
Also see our answer to the question: Do supplements help with Parkinson's disease treatment or prevention?
Pfizer Vaccine Approved
8/23/2021
Learn about approval of the Pfizer vaccine and find out how approval differs from authorization, who it is approved for, and whether doctors should prescribe it for unapproved uses.
Ivermectin
8/24/2021
More information highlights why ivermectin should be used for COVID-19 only within clinical trials. Get the details.
PQQ for Cognition?
8/24/2021
Can supplementation with PQQ improve memory and cognition in older men and women? See what a recent study found, and learn more about PQQ and how it compares to CoQ10, in our updated answer to the question: What is PQQ? Does it help with aging and memory? Is it similar to CoQ10?
Supplement for Better Exercise Performance?
8/24/2021
Can taking a modified form of CoQ10 known as mitoquinone improve exercise performance in middle-aged men? See what a recent study found in our CoQ10 and Ubiquinol Supplements Review, which also includes information about a potential concern with mitoquinone.
Six or Eight Months for mRNA COVID Booster?
8/27/2021
Will mRNA booster vaccines be given as early as 6 months after the first dose, or at 8 months as had been officially announced? Find out in our article about COVID Vaccines.
Comirnaty vs. Pfizer
8/27/2021
Is the recently FDA-approved Pfizer vaccine (called Comirnaty) different from the previously authorized Pfizer vaccine?
Are COVID Booster Doses Different?
8/27/2021
Are third dose vaccines (for immune-compromised individuals) different from the first two doses?
J&J Booster Vaccine
8/27/2021
Data suggests that a booster dose of the J&J vaccine can significantly boost immune protection against COVID-19. Get the details.
Myocarditis Risk
8/27/2021
Find out how the risk of myocarditis from vaccination compares to the risk of myocarditis from COVID.
Withdrawal of CDC COVID PCR Test?
8/27/2021
Is it true that the current PCR tests for the virus are not accurate and the CDC is withdrawing its own PCR test? Get the facts.
Biotin Interference With COVID Tests
8/27/2021
Be aware that taking biotin (vitamin B-7) may interfere with COVID-19 antibody tests. Learn which tests are affected. Also find out about other laboratory tests (including thyroid and cardiovascular tests) that can be affected by biotin.
15-Minute Home COVID Tests
8/27/2021
Demand for 15-minute home tests for COVID is increasing. Learn when and how to use these tests.
Therapy for Tinnitus?
8/27/2021
A recent study tested whether cognitive behavioral therapy (CBT) could reduce the severity of tinnitus and tinnitus-related issues, such as trouble sleeping. See the results in our updated answer to the question: Do any supplements or lifestyle changes reduce the symptoms of tinnitus? Is it true that some supplements can cause tinnitus?
Can Ginseng Boost Cognition?
8/27/2021
Can taking American ginseng improve cognitive function in young people? See what a recent study found in the What It Does section of our Ginseng Supplements Review. Also see our Top Picks among American ginseng supplements.
Cranberry Interaction
8/28/2021
Cranberry juice and supplements may increase the risk of bleeding in people taking the blood-thinner warfarin in some situations. Get the details about this and other drug interactions with cranberry in the Concerns and Cautions section of our Cranberry Juices and Supplements Review.
Caveat With Prescription Fish Oil Study
8/30/2021
Some of the cardiovascular benefit reported for a prescription fish oil may have actually been due to a problem with the placebo to which it was compared, according to new research. Get the details in the Prescription Fish Oil vs Supplements section of our Fish Oil Supplements Review. Also see our Top Picks among fish oil supplements.
PFAS in Processed Foods?
8/30/2021
Researchers recently measured amounts of toxic chemicals called PFAS in processed foods sold throughout the U.S. See what they found in our updated article about PFAS in dental floss, water and foods.
Spirulina for Type 2 Diabetes?
8/30/2021
Does taking spirulina help control blood sugar levels in people with type 2 diabetes? See what a study found in the What They Do section of our Greens and Whole Food Powders and Capsules Review.
Magnolia Bark and Alzheimer's
8/30/2021
Can taking magnolia bark extract improve learning and memory in those with Alzheimer’s disease? Find out what evidence suggests in our article about supplements for memory and cognition.
Chia Seeds and Estrogen
8/30/2021
Do chia seeds contain plant estrogens and, if so, should I be concerned as I have a family history of breast cancer? See the answer in the Concerns and Cautions section of our Chia Seeds Review.
Risk of Hospitalization With COVID
8/30/2021
If you are unvaccinated, how much more likely are you to be hospitalized with COVID than if you were vaccinated? See what recent data shows.
Adolescents & COVID: Myocarditis vs. Hospitalization
8/30/2021
How does the risk of myocarditis from vaccination compare to the risk of hospitalization from COVID among adolescents?
Off-Label Use of COVID Vaccine?
8/30/2021
Find out why vaccine administrators may decline to give COVID shots for off-label use.
Delta Variant Accounts for Most COVID Cases
8/30/2021
Be aware that the Delta variant, which is more transmissible than other variants, now accounts for more than 98% of COVID cases in the U.S. See the latest numbers.
N95 Mask Quality Problem
8/30/2021
Federal approval was recently revoked for all N95 masks made by a certain manufacturer. Get the details in our article about the Best Masks to Prevent COVID-19.
September
Benefit from Booster?
9/01/2021
How much benefit does a booster provide? See what two new reports suggest.
Who Will Be Offered Boosters?
9/01/2021
See the latest information about who will be offered booster shots for the Pfizer, Moderna, and J&J vaccines.
Myocarditis Fatalities
9/01/2021
How often has vaccine-related myocarditis led to fatalities among young people?
High Allergy Risk & Vaccination
9/02/2021
Can people with high allergy risk get safely vaccinated? See what the data is showing.
Fibromyalgia After COVID
9/02/2021
How common is fibromyalgia (widespread musculoskeletal pain) after COVID-19? Find out what a study showed.
Kidney Injury and COVID
9/02/2021
Kidney injury appears to be more common in some people who have had COVID, according to a recent study.
Who Will Be Offered Boosters?
9/02/2021
See the latest information about who will be offered booster shots for the Pfizer, Moderna, and J&J vaccines.
Saffron for Better Sleep?
9/03/2021
Can taking saffron extract improve sleep in people with insomnia? See what a recent study found in our updated article about Supplements and Sleep.
Vitamin C & Statins
9/04/2021
Does taking vitamin C reduce the cholesterol-lowering effects of statins? Find out in the What to Consider When Using section of our Vitamin C Supplements Review.
COVID Symptoms in Breakthrough Cases
9/06/2021
Fully vaccinated people who get COVID are much less likely to experience symptoms, as well as long-COVID, than unvaccinated people with COVID to according to a recent study. Get the details.
Walnuts and Cholesterol
9/06/2021
See if eating a small amount of walnuts every day helped lower cholesterol in older people in a recent study.
Also see our complete answer to the question: Which supplements or foods can help lower cholesterol and keep my heart healthy? Are there any to avoid?
Also see our complete answer to the question: Which supplements or foods can help lower cholesterol and keep my heart healthy? Are there any to avoid?
EVOO vs. Regular Olive Oil
9/06/2021
Extra virgin olive oil may be more beneficial than regular olive oil for blood sugar control and satiety, according to a recent study. Get the details in the Insulin Control and Blood Sugar section of our Extra Virgin Olive Oil Review. Also see our Top Picks among extra virgin olive oils.
Collagen for Wrinkles
9/06/2021
Can taking hydrolyzed collagen in low daily doses reduce wrinkles and improve skin hydration in older women? Find out what a recent study showed in the What It Does section of our Collagen Supplements Review. Also, see our Top Picks among collagen supplements for skin wrinkles.
An Avocado a Day?
9/06/2021
Does eating an avocado with your meal help reduce abdominal fat or weight, or improve blood sugar or insulin control? See what a new study found in the What It Does section of our Avocado Oil Review. Also see our Top Picks among avocado oils.
Reducing Virus Indoors
9/07/2021
There are simple steps you can take to help reduce SARS-CoV-2 virus indoors according to a new report.
Vaccine Boosters
9/10/2021
Booster doses for the Pfizer vaccine are to begin the week of September 20, 2021. Learn how to find a site to get a booster shot once they are offered. Also, if you received the Moderna vaccine, find out if you should get a Pfizer booster instead.
Flu Vaccine & COVID
9/10/2021
Learn if you need to time your flu vaccine around your COVID vaccine and how the flu vaccine may affect you if you later get COVID. Also find out when kids should get a flu shot.
Who Is Required to Get Vaccinated?
9/10/2021
Find out if you're part of the U.S. workforce that may soon be required to get vaccinated.
Mu Variant
9/10/2021
What is the Mu variant and how prevalent is it in the U.S.? Find out in our article about COVID Vaccines.
Hunter HP800 Air Purifier Review
9/10/2021
See our review of the Hunter HP800 Multi-Room Large Console Air Purifier, as well as our Top Picks among air purifiers, in our article about the Best Air Purifiers for Reducing the Spread of COVID.
LG PuriCare Mini Air Purifier Review
9/10/2021
See our review of the LG PuriCare Mini Air Purifier, as well as our Top Picks among air purifiers, in our article about the Best Air Purifiers for Reducing the Spread of COVID.
Citrulline for Strength?
9/13/2021
Find out if citrulline supplementation improved muscle strength or endurance in older people in recent study. (This information is in the Citrulline section of our L-Arginine Supplements Review, as citrulline is converted to arginine in the body and it is often sold in combination with arginine).
Best Way to Store Olive Oil
9/13/2021
Even if unopened, it is best to store extra virgin olive oil (EVOO) at the right temperature, according to results of a recent study. Get the details on the best way to store EVOO in our Extra Virgin Olive Oil Review. Also see our Top Picks among extra virgin olive oils.
L-Arginine for COVID?
9/13/2021
Did L-arginine supplementation help people with severe COVID-related pneumonia? See what a new study found in the What It Does section of our L-Arginine Supplements Review.
Also see: Do any supplements help with the coronavirus (COVID-19)?
Also see: Do any supplements help with the coronavirus (COVID-19)?
Vaccines Compared: Pfizer, Moderna, or J&J
9/13/2021
See which vaccine (Pfizer, Moderna, or J&J) now appears to provide greatest protection against COVID-19-related hospitalization.
Who Needs a Booster Dose?
9/13/2021
Will everyone need a booster dose? Find out what experts are saying.
COVID Vaccination and Menstruation
9/13/2021
Does COVID-19 vaccination affect menstruation? Find out what is known in our article about COVID-19 Vaccines.
NAC and Lung Cancer
9/13/2021
Was there a study that showed that animals given NAC developed lung cancer? Find out what research in animals suggested in the Concerns and Cautions section of our NAC supplements Review.
Vitamin C For Fatty Liver?
9/16/2021
Can taking high-dose vitamin C improve liver function or insulin resistance in people with NAFLD (non-alcoholic fatty liver disease)? Find out what a recent study showed in the What It Does section of our Vitamin C Supplements Review. Also see our Top Picks among vitamin C supplements.
Can Collagen Lower Blood Sugar?
9/16/2021
Can taking collagen supplements lower blood sugar levels? Find out what research suggests in the What It Does section of our Collagen Supplements Review. Also see our Top Picks among collagen supplements.
Vaccines and Shoulder Injury
9/16/2021
Shoulder injury from vaccination is not common but can happen. Find out what steps you can take to help avoid it. Also learn about "COVID arm."
Help for Arthritic Hands?
9/17/2021
A study tested whether moderate doses of CBD could reduce the pain of hand osteoarthritis or psoriatic arthritis. See what the study found in the Pain section of our CBD Oil and Hemp Extracts Review.
Pfizer Boosters for Some
9/17/2021
Late last week, an FDA panel recommended Pfizer boosters, but only for certain individuals. Find out who's recommended to get a booster and what this means for those who were vaccinated with Moderna or J&J vaccines.
For Knee Pain, Try This.
9/18/2021
A six-month exercise program was shown to reduce knee pain in 72% of people with osteoarthritis. It’s a completely free program that anyone can do from home. Get the details in the ConsumerTips section of our Joint Supplements Review (although no supplements are involved in the program).
J&J Protection Over 4 Months
9/20/2021
See how the J&J vaccine fared in terms of protection over 4 months, and how much protection is provided by a second dose of J&J.
Medicine Helps Prevent COVID Symptoms
9/20/2021
An FDA-authorized medicine was shown to reduce the risk of developing symptoms of COVID when given early to people testing positive for COVID. Get the details in our answer to the question: Do any treatments reduce the risk of infection after you've been exposed to someone with COVID-19?
Helichrysum Oil for Tinnitus?
9/20/2021
Can applying helichrysum oil on or behind the ear improve tinnitus? Find out in our answer to the question: Do any supplements or lifestyle changes reduce the symptoms of tinnitus? Is it true that some supplements can cause tinnitus?
Iron Dose Falls
9/20/2021
Recommended doses for correcting iron deficiency may be too high, according to recent guidelines. Get the details in the ConsumerTips section of our Iron Supplements Review. Also, see our Top Picks among iron supplements.
Enzyme Supplements for Eye Floaters?
9/20/2021
Can enzyme supplements (bromelain, papain and ficin) reduce eye floaters? Find out what a recent study suggests in the What They Do section of our Digestive Enzyme Supplements Review.
Also see our answer to the question: Do any supplements help prevent or reduce eye floaters?
Also see our answer to the question: Do any supplements help prevent or reduce eye floaters?
PFAS Effects in Breast Milk
9/20/2021
Higher concentrations of toxic chemicals known as PFAS in mothers appears to alter the fat composition of breast milk, according to a recent study. Learn more, including how this may affect infant growth, in our updated article about How to Avoid PFAS, which includes information about PFAS in dental floss, foods and bottled water.
Declining Vaccine Protection
9/20/2021
New research suggests declining protection over 4 months with just one of the mRNA vaccines. See how Pfizer and Moderna compared.
