Showing Results for Greens
Product Reviews (13)
CL Answers (66)
Is Spirulina safe? I heard that it can contain toxins, such as BMAA and microcystin toxin.
Is Spirulina safe? Find out if Spirulina contains toxins like BMAA and microcystin toxin.
What do alkaline booster drops do? Do they provide the same benefits as Kre-Alkalyn?
Learn more about alkaline drop supplements and what booster drops and KreAlkalyn are marketed to do.
I've heard that rice has high levels of arsenic. Does that mean rice bran oil does too?
Find out if rice bran oil can contain high levels of arsenic like whole rice and other rice products do.
What are the health benefits of green tea, and is it safe?
ConsumerLab explains green tea's potential health benefits for everything from fighting cancer to helping your heart.
Does microwaving green tea affect the amount of EGCG or other catechins in the tea?
Find out if microwaving green tea affects the amount of catechins, like EGCG, in brewed green tea and the best way to brew green tea. ConsumerLab.com's answer explains.
Which supplements and foods can help lower or control my blood sugar?
Find out which supplements can help lower or control blood sugar. Supplements including turmeric/curcumin, fiber, cinnamon, and ginseng are believed to help lower blood sugar.
How significant are the risks to drinking tea from China from heavy metals?
Find out which types of tea from China pose the greatest risk of toxic heavy metal contamination, including green tea.
Should I worry about getting too much fluoride from drinking tea?
Find out if drinking too much green or black tea can cause an excess of fluoride.
Is it true that iodine can cause acne or other skin problems?
Information on iodine causing acne and other skin problems such as rashes and hives. ConsumerLab.com's answer explains.
Do any supplements help with gum disease or periodontitis?
Supplements for healthy gums may help with gum disease or periodontitis. Learn more about omega fatty acids, lycopene, and probiotics.
Can supplements help me lose weight?
Learn more about weight loss supplements, including our lab test results and product comparisons.
I take warfarin (Coumadin), an anticoagulant drug. Are there supplements I should avoid, or be taking, due to this drug?
Find out which supplements should be avoided when taking blood thinners (anticoagulants) like warfarin (Coumadin), including vitamin K, St. John's wort, and curcumin.
Do any supplements naturally suppress appetite and help with weight loss?
Learn which natural ingredients can suppress appetite and find if these natural appetite suppressants help with weight loss.
What is fermented cod liver oil, such as Blue Ice? Is it better than regular cod liver oil?
Fermented cod liver oil information including if Rosita & Blue Ice (Green Pastures) is as good a source of vitamins and DHA as regular.
With herbal supplements, what is the difference between root powder and root extract? Does it matter?
Learn more about the different forms of herbal supplements, including aloe, boswellia, ginkgo, green tea, and milk thistle.
Which supplements should be taken with food?
Find out which supplements should be taken with food, including vitamins A, D, E, and K, fish oil, and CoQ10.
Is there a risk of liver toxicity with certain supplements?
Find out if there is risk of liver damage from supplements such as green tea, niacin, red yeast rice and vitamin A.
Does Gynostemma pentaphyllum really work as an AMPK activator and help for diabetes, high cholesterol, or weight loss?
Find out if Gynostemma pentaphyllum ( jiaogulan) works as an AMPK activator and helps to lower blood sugar and treat diabetes. ConsumerLab.com's answer explains.
Which dietary supplements and health foods contain high levels of lead?
Information about lead and heavy metals in vitamins, supplements and foods. Information on the adverse effects of lead.
I've heard that grapefruit juice can interact with medications because it inhibits an enzyme that breaks down drugs in the body. Do any supplements interact the same way with drugs?
CYP3A4 inhibitors, such as grapefruit, can interact with certain medications by inhibiting the liver enzyme that metabolizes many drugs. ConsumerLab.com's answer explains.
How much caffeine is really in dark chocolate bars?
Just how much caffeine is really in chocolate bars? Get our test results on the caffeine content in dark chocolate and cocoa powder.
I read that sterol supplements to lower cholesterol like CholestOff can block the absorption of vitamins. Is that true?
Find out if CholestOff and other sterol supplements can block vitamin absorption in the body and other safety concerns.
Have you evaluated a multivitamin by Vita Logic called Daily Extra?
Information about the multivitamin Daily Extra from Vita Logic, including nutrient content.
Can L-theanine help as a sleep aid? Will ConsumerLab.com be testing these supplements?
Learn more about L-theanine and its impact on sleep. Plus, see our test results of popular L-theanine supplements.
How much cocoa or chocolate do I need to consume in order to get a benefit?
Learn more eating chocolate and cocoa including the benefits, amounts and info on studies.
Is it true that most coffee is contaminated with mold?
Learn more about mold toxins that may be present in coffee, including mycotoxins, aflatoxin B1, and ochratoxin A (OTA).
Are supplements which claim increased absorption or improved bioavailability telling the truth? Is it worth paying more for these? Are there concerns?
Learn more about bioavailability enhancers, including emulsifiers and enzyme inhibitors.
Does Neuriva improve memory or cognitive function?
Find out about Neuriva, its ingredients, and the evidence for or against it for memory and cognitive function.
What are the effects of curcumin on the liver?
Is turmeric good for your liver? Short & long-term studies on turmeric such as the impacts on non-alcoholic fatty liver disease (NAFLD) and more.
Which "whole food" multivitamins don't include synthetic vitamins? How about Complete Foods, Sunwarrior, Garden of Life, Nature's Brands, and Doctors' Research?
Find out which "whole food" multivitamins are only from foods and which include synthetic vitamins, including Complete Foods Nutrition-OctoMega MultiVitamin; Sunwarrior; Garden of Life-MyKind Organics; Nature's Brands-PhytoVitamins; Doctors' Research MultiVitamin.
Can fluoride in toothpaste, mouth rinses or drinking water cause attention-deficit/hyperactivity disorder (ADHD) in children?
Find out if community water fluoridation increases the risk of attention-deficit/hyperactivity disorder (ADHD) in children, and learn what the American Dental Association recommends when using fluoride-containing toothpaste and mouth rinses in children.
How much should I expect to pay for supplements? Are higher-priced supplements any better than low-priced brands?
Learn about the cost of supplements. Info including the best pricing on fish oil, CoQ10, vitamins C & D, magnesium, and calcium.
Is it dangerous to use certain herbals, vitamins, or other dietary supplements when breastfeeding?
Find out which supplements should be avoided when breastfeeding, including medicinal herbs, soy, and flaxseed.
I have low blood pressure. Are there any supplements I should avoid?
Find out which supplements can cause decreases in blood pressure, including melatonin, arginine, magnesium, and calcium.
What is Protandim and does it really work?
What is Protandim and does it really work? Can Protandim reduce oxidative stress? ConsumerLab's answers discusses Protandim's effectiveness, reviews and studies.
Which supplements help reduce the risk of colorectal cancer?
Find out which supplements may reduce the risk of colorectal cancer, including folate, fiber, selenium, and vitamin D.
Can white kidney bean extract really help me lose weight?
Does white kidney bean extract help promote weight loss? Find out more including evidence from clinical studies and dosage.
Can prenatal vitamins have too much folic acid? Mine has 800 mcg, but isn't that more than what's recommended? Is this dangerous to me or my baby?
Is it possible for prenatal vitamins to have too much folic acid? Find out the correct dosage so that it is not dangerous to babies.
Which supplements help for osteoarthritis of the hip?
Supplements for hip pain and osteoarthritis, such as SAMe, ginger and collagen, may help or reduce pain.
I take levothyroxine (Synthroid), a thyroid hormone to treat hypothyroidism. Are there supplements I should avoid, or be taking, due to this drug?
Is taking certain supplements and hypothyroidism medications bad? Learn which supplements can interact with thyroid hormone medications like levothyroxine (Synthroid), thyroid hormone levels, and laboratory tests.
Do any supplements help relieve stress?
Are there actually supplements for stress relief and panic attacks? Learn more about holy basil, fish oil, L-theanine, and ginseng.
Is it safe to take CoQ10 while taking blood thinners like warfarin or Plavix (clopidogrel)?
Learn more about the possible counteractive effects of CoQ10 and blood thinners, including safety.
Is it better to get vitamins from foods or supplements, and are natural vitamins better than synthetic vitamins?
Learn more about the benefits of getting vitamins from food versus supplements, natural versus synthetic vitamins, and more.
Are there supplements I should avoid when taking apixaban (Eliquis) or similar blood thinner drugs like Xarelto?
Learn about supplement interactions with apixaban (Eliquis), rivaroxaban (Xarelto) and other blood thinner drugs in the direct factor Xa inhibitors class. Supplements that may interact with these medications include fish oil and St. John's wort. ConsumerLab.com's answer explains.
What is acrylamide? Is it true that coffee and cocoa contain this toxin?
Find out what acrylamide is, how much is found in coffee and cocoa, and how you can minimize your intake of acrylamide.
How much magnesium do I need and how much magnesium from supplements is too much?
Find out how much magnesium you should be getting on a daily basis, signs of magnesium deficiency, and how much magnesium is too much, particularly from magnesium supplements and laxatives containing magnesium. Find out the side effects and potential adverse effects of too much magnesium.
Is echium oil a good alternative to fish oil? I am allergic to fish.
Echium oil as an alternative to fish oil. Learn more for those with fish allergies, including information on omega-3 fatty acids.
Are there supplements I should take, or take differently, when intermittent fasting?
Supplements that may help when intermittent fasting. Information about whey protein, CoQ10, magnesium and others, plus coffee, fiber and more.
Rhodiola and ashwagandha are both promoted to help with stress and anxiety. Is it safe to take them at the same time?
Find out if it is safe to take ashwagandha and rhodiola together. Both herbs are promoted to help with stress and anxiety, but may also lower blood pressure and have other side effects. ConsumerLab.com's answer explains.
Which supplements can help lower my triglycerides?
Find out whether fish oil supplements, or plant-based oil supplements, such as flaxseed oil and echium oil are best for lowering triglyceride levels. ConsumerLab.com's answer explains.
Is it better to eat farmed salmon or wild salmon? Which one has more omega-3s and less contamination with PCBs, mercury, etc.?
Learn more about wild caught vs. farm raised salmon, including omega-3 content and contamination with PCBs, mercury, and other toxins.
What are the health benefits of stevia? Is it safe?
Learn more about the health benefits of stevia and whether it is safe. ConsumerLab.com's answer explains.
When taking a statin drug like Lipitor or Crestor, are there supplements I should avoid or take?
Learn about the interactions between certain supplements and atorvastatin (Lipitor), rosuvastatin (Crestor), and other cholesterol-lowering statins.
Can beetroot juice or supplements help lower my blood pressure?
Learn more about beetroot juice and beetroot supplements and if beetroot can really help lower blood pressure.
Is it safe to take curcumin or turmeric supplements for a long period of time?
Information on the long-term effects of curcumin or turmeric supplements. Find out if curcumin and turmeric is safe to take for long periods. ConsumerLab explores these questions.
What is the best protein supplement for vegetarians and vegans?
Find out which protein supplements for vegetarians and vegans are best, including those made from whey, casein, soy, rice, pea, and hemp. ConsumerLab.com's answer explains.
Which supplements reduce the risk of stroke? Which increase the risk of stroke?
Find out which supplements (may help reduce the risk of stroke/might increase the risk of stroke.)
Which sunscreens and after-sun products are contaminated with benzene and which are not?
Over 200 sunscreens and after-sun products have been reported to be contaminated with benzene, a carcinogen. See the results, by brand, and find out what to look for, and what to avoid, when choosing a sunscreen or after-sun product.
Supplements for multiple sclerosis (MS): Do any supplements reduce symptoms or relapse?
Find out if vitamins or supplements such as ginkgo, fish oil, biotin, vitamins A, C, E, D, and B12, or selenium reduce symptoms or relapse in people with multiple sclerosis (MS).
Are there any supplements I should avoid when taking acetaminophen (Tylenol)?
Find out if there are any supplements that should be avoided when taking acetaminophen (Tylenol).
What are the health benefits of avocado oil? Is it healthier than olive oil? Which avocado oils are best?
Learn about the health benefits of avocado oil and how it compares to olive oil, evidence for heart health, osteoarthritis and other uses. ConsumerLab.com's answer explains.
Is it better to take fish oil, flaxseed oil -- or both?
Fish oil and flaxseed oil -- how they are different, what they are used for, if and how they can help with arthritis, depression, lowering cholesterol & more.
Is it best to take probiotic supplements with or without food? It seems like everyone has a different recommendation.
When is the best time to take probiotic supplements? Learn if you should take your probiotic with or without food.
What is shilajit? Does it have any proven health benefits, and is heavy metal contamination a concern?
Shilajit information, including its potential health benefits, safety, proper doses and impact on male health.
The maker of my multivitamin says it doesn't include folic acid because too much from supplements can be harmful. Is that true?
Learn more about the harmful effects from too much folic acid, including increased risk of prostate cancer and kidney damage.
I'm considering taking vitamin K for my bones, but I take blood thinner (anticoagulant) medication. Is there a problem taking both?
Learn more about vitamin K, including info on interactions with blood thinners such as Coumadin and Jantoven, its effects on bones & impact on clotting.
Recalls & Warnings (186)
Court Orders Marketers of Supreme Greens and Coral Calcium to Pay Nearly $70 Million for Consumer Refunds
Maker of Greens and Whole Foods Supplements Warned For Drug Claims, Manufacturing Violations
Maker of Hoodia and Green Tea Products to Pay $2.65 Million Settlement for Unfair Business Practices
Maker of Popular Green Coffee Bean Extract Settles FTC Charges of Unsupported Weight Loss Claims
Maker of Green Coffee Bean Extract and Weight Loss Supplement Warned for Manufacturing Violations
Garcinia, Green Coffee Marketers Pay $43 Million to Settle Charges of False Weight Loss Claims
Seller of Sexual Enhancement Supplement and Tea Drink Warned for Drug Ingredients and Drug Claims
Marketers Charged with Using Stolen Email Accounts to Promote Weight Loss Supplements Temporarily Shut Down
Seller of Green Tea, Prostate, Pain Supplements and More Warned for Manufacturing Violations and Drug Claims
Manufacturer of Green Tea, Vitamin E, Omega-3 and Cranberry Supplements Warned For Manufacturing Violations, Misbranding and Drug Claims
Maker of Children's Vitamins, Weight Loss Supplements and More Warned for Manufacturing Violations
Brewable Tea and Tea Supplement Company Warned For Manufacturing Violations and Drug Claims
Maker of Cardio, Arthritis, Cleanse Supplements and More Warned For Manufacturing Violations and Drug Claims
Marketers of Weight Supplements AF Plus and Final Trim Violated Consumer Protection Laws, Says FTC
Some Supplements May Cause or Exacerbate Heart Failure (Includes vitamin E and many herbs)
Weight Loss and Cleanse Supplements Contain Adulterated and Improperly Labeled Ingredients, FDA Warns
FDA Warns Maker of Weight Loss and Whey Protein Supplements For Manufacturing Violations and Misbranding
Distribution of Weight Loss Product Containing DMAA Should Be Stopped Immediately, Warns FDA
Sellers of Popular Weight Loss Supplements Pay $25 Million Over FTC Allegations of Deceptive Advertising
Seller of Omega-3, Probiotics & SuperFoods Warned for Manufacturing Violations, Drug Claims
Manufacturer of Joint, Weight Loss, Muscle Supplements and More Warned for Adulteration, Misbranding and Drug Claims
Seller of Red Rice Yeast With CoQ10, Respiratory Supplement And More Warned For Manufacturing Violations and Drug Claims
Twelve Dietary Herbal Supplements Recalled -- Possible Health Risk Associated with Ephedra, Aristolochic Acid and Human Placenta
False Claims Made by Marketer of Cortisol-related Weight-Loss Supplements According to FTC
Clinical Updates (65)
Chlorella Lowers Cholesterol and Triglycerides
Gastrointestinal Side-Effects of Chlorella
Spirulina Lowers Cholesterol
Green Tea and Breast Cancer Risk
Green Tea for Weight Control?
Does Green Tea Improve Memory?
Are Green Tea Pills Safe?
Green Tea and Ovarian Cancer
Green Tea and Breast Cancer
Green Tea May Inhibit Starch Absorption
Getting the Most from Green Tea
Is Expired Green Tea Safe?
Green Tea "Blocks" Beta-Blocker
If you take a beta-blocker (which includes the popular drugs metoprolol (Lopressor, Toprol) and propranolol (Inderal)), be aware that chromium and CoQ10 may offer benefits.
Green Tea and Liver Toxicity
Toxin in Algae Supplements
Anti-Inflammatory Effect of Juice Plus+?
Toxin in Algae Supplements
Spirulina for Type 2 Diabetes?
Green Tea and Cholesterol
Green Tea for Memory?
Does Green Tea Really Help With Weight?
Green Tea to Treat Fibroids
Liver Toxicity with Supplements, Including Green Tea
Staying Safe With Green Tea
Statins and Green Tea
Green Tea & Stroke
How Hot Should Green Tea Be?
Green Tea and Blood Sugar
Green Tea Extract and Prostate Cancer
Lower Risk of Death With Green Tea
Green Tea for Weight Management?
Another Use for Green Tea?
Does Green Tea Prevent Cognitive Decline?
Green Tea & Cognition
Green Tea as a Prebiotic
A Caution With Green Tea
Cleaner Green Tea
Getting the Most from Green Tea
Green Tea for Lowering Blood Pressure
Don't Take Green Tea With Iron?
Problems With Green Coffee Bean
Hot Tea & Cancer
Colon Polyps and Green Tea
How Much Tea Is Safe?
Matcha Green Tea for Memory & Cognition?
Avoiding Green Tea Toxicity
Green Tea & Prostate Cancer
Green Tea Extract and Weight Loss
Green Coffee Bean Study Retracted
Don't Drink Too Much Tea!
Tea & Heart Disease
Microplastics in Tea
Green Lipped Mussel Oil Reduces Pain and Inflammation After Exercise
No Ginseng In Ginseng Tea?
Does Fish Oil Help During Pregnancy?
Fish Oil May Reduce Risk of Blood Clots
L-Theanine for Sleep and Cognition?
Tea Drinking Associated with Less Cognitive Decline
Fish Oil May Prevent Cognitive Decline
DHA for Periodontitis (Inflammation Around Teeth)
Fish Oil Freshness
Genetically-engineered Salmon: How it Compares
Problem with Too Much Krill Oil
Don't Be Fooled by "Good Source of Omega-3s" Claim
Omega-3's and Cognition
A study has been underway which evaluates the effects of krill oil in adolescents with lower educational performance. It was recently reported that baseline testing (before starting krill) of the students showed a positive association between levels of EPA + DHA in their blood and performance on some, but not all, measures of cognitive performance. Get the details in the Fish Oil and Omega-3 Fatty Acid Supplements Review (Including Krill, Algae, Calamari, Green-lipped Mussel Oil) >>