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Product Reviews (39)

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CL Answers (46)

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Recalls & Warnings (48)

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Clinical Updates (25)

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1/10/2021

Magnesium, Niacin and Blood Pressure

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.

11/15/2021

Natural Toothpastes

Are "natural" toothpastes safe and effective? Find out in our updated article about Finding the Best Toothpaste.
12/16/2020

Omega-7s to Lower Cholesterol?

Can taking sea buckthorn, a source of omega-7 fatty acids, lower cholesterol in people with high cholesterol levels? Find out what a recent study found in the Omega-7 Fatty Acids section of our Fish Oil Review. Also, see our Top Picks among fish oil supplements.
10/23/2021

How Good Is Pea Protein?

How does the amino acid quality and digestibility of pea protein compare to casein? Find out what a new study showed in the ConsumerTips section of our Protein Supplements Review, which also explains the differences between whey, soy, rice, and other sources of protein. Also see our Top Picks among protein powders, including our Top Pick for pea protein.
10/26/2021

Trout for Omega-3s?

Is trout a good alternative to tuna or salmon as a source of omega-3 fatty acids? It depends on the type of trout. Get the details in the Getting EPA and DHA from Food section of our Fish Oil Supplements Review. Also see our Top Picks for fish oil supplements and canned fish.
10/29/2021

More Toothpaste Tips

Find out if you need fluoride in toothpaste if you already get it from your drinking water or other sources, if people prone to tooth sensitivity should avoid tartar control toothpaste, and whether xylitol in toothpaste helps prevent cavities.
10/30/2021

Are Brazil Nuts Radioactive?

Brazil nuts contain high concentrations of the radioactive element radium. Find out if you should be concerned in our updated answer to the question: Are Brazil nuts a good source of vitamin E and selenium?
3/23/2021

Folic Acid and Colorectal Cancer

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.
6/27/2021

Whey vs Rice and Potato Protein

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.
7/31/2021

Juices for Kidney Stones?

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?
7/01/2012

Vitamin D Tests Unreliable

A preliminary report suggests that many vitamin D blood tests are incorrect, often yielding low results. This can lead to the diagnosis of vitamin D deficiency when it does not exist. Certain people may be more prone to a false low reading due to their source of vitamin D. Learn more in the update to the Vitamin D Supplements Review entitled Vitamin D Tests -- Not Always Reliable >>
2/17/2013

Risk from Too Much Calcium from Supplements

A major study found that adequate intake of calcium from the diet and other sources was associated with a lower risk of men and women dying from cardiovascular disease over the 12-year period of the study. HOWEVER getting over a certain amount of calcium from supplements was associated with 20% higher risk of men dying from cardiovascular disease. For more information, see the recent update to the Calcium Supplements Review >>
9/11/2011

Vitamin D - Depression Link

A study of postmenopausal women found the risk of depression to be 21% lower among those consuming higher amounts of vitamin D. For details, including the vitamin D source and amounts associated with decreased risk, see the update to the Vitamin D ReviewMore >>
7/05/2014

Dark Chocolate Improves Walking in Peripheral Artery Disease

A new, small study found that people with peripheral artery disease who consumed dark chocolate with a high cocoa content were able to walk further than they normally could. Consuming milk chocolate did not have this effect. The improvement was seen shortly after consuming just one dose. For more details, including dosage, as well as our tests and comparisons of cocoa supplements and chocolate, see the update to the Cocoa Powders, Extracts and Chocolate (Sources of Flavanols) Review >>   
3/06/2015

Green Lipped Mussel Oil Reduces Pain and Inflammation After Exercise

Green-lipped mussel oil (a source of omega-3 fatty acids EPA and DHA) significantly reduced pain and inflammation days after exercise in young healthy men, compared to a placebo, according to a new study. For details, and ConsumerLab.com tests of the product used in the study, see the Fish Oil and Omega-3 Fatty Acid Supplements Review >> 
4/13/2014

Does Green Tea Improve Memory?

This week, news sources reported that a study found green tea helps working memory. While green tea may have benefits, a closer look at this study suggests the news was exaggerated and misleading. For details about the study (and information about other effects of green tea and our tests of green tea supplements, teas, and drinks) see the update in the Green Tea Supplements, Drinks and Teas Review >> 
10/01/2017

Paleo Diet and Iodine

The "Paleo" diet excludes table salt and dairy products, which are sources of iodine. A recent study investigated whether or not this causes iodine deficiency (which is also a concern with a vegan diet). Get the details in the "Iodine" section of the Multivitamin/Multimineral Supplements Review >>
1/12/2019

Fiber Benefits

Higher fiber intake was associated with a lower risk of many major diseases in a recent study. However, the average American consumes far below the recommended daily intake of fiber. As oats are a good source of fiber, we’ve added details from the new study in the "Benefits" section of the Oat Cereals Review. (Also see our Top Picks oat cereals.)
1/31/2017

Omega-3s for Arthritis

A review of twenty-two clinical studies using omega-3 fatty acid supplements from various marine sources (fish oil, mussel oil, etc.) found they could be effective in reducing rheumatoid arthritis pain, particularly when the oils had a certain ratio of EPA to DHA. The oils were not effective for osteoarthritis. For more details, see the "What It Does" section of the Fish Oil Supplements Review (which includes our tests of products) >>
2/02/2019

Whey Protein When Bedridden?

Does substituting whey protein for other sources of protein help bedridden people retain muscle mass and strength? Find out what a new study showed in the What It Does section of the Protein Powders & Drinks Review. Also see our Top Picks for protein powders.
2/23/2019

Allergic Reactions to Protein Powder

Be aware that allergic reactions to protein powders have recently been reported in people not normally allergic the protein sources of their supplements. For details, see the Concerns and Cautions section of the Protein Powders, Shakes, and Drinks Review. Also see our Top Picks for protein supplements.
11/26/2019

Fish Oil & Colon Cancer

There is new evidence that taking fish oil may reduce the risk of colorectal cancer for certain people. For details see the Cancer section of the Fish Oil Supplements Review. Also see our Top Picks among fish oil supplements and other marine sources of omega-3s.
4/23/2019

Fish Oil During Pregnancy

Does taking fish oil during pregnancy yield children with higher IQs? Find out what studies are showing in the What It Does section of the Fish Oil Supplements Review. Also see our Top Picks for fish oil supplements and other sources of omega-3 fatty acids.
6/14/2020

Benefit of Eating Fish

Increasing intake of omega-3 fatty acids through greater fish intake was shown to provide some cognitive improvements to children according to a recent study. For details, see the What It Does section of the Fish Oil Supplements Review. Also see our Top Picks for fish oil and Top Picks for canned tuna and salmon (good sources of omega-3s).
4/30/2012

Cancer Findings with Natural Vitamin E

Clinical studies have raised doubts, and even concerns, about the relationship between vitamin E supplements and cancer. However, recent studies in animals suggest the tocopherols found in natural forms of vitamin E may help prevent cancer -- although the results are preliminary. For more about this, and our tests of vitamin E supplements, see the updated Vitamin E Supplements ReviewMore >>

News Releases (93)

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