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Clinical Updates
Recently Added
Is Mushroom Coffee Healthier?
June 27, 2025
Mushroom coffee is promoted as healthier than regular coffee, but does it really contain more nutrients? Find out in the What It Is section of our Lion's Mane and Chaga Supplements Review, which includes our Top Picks for lion’s mane and chaga, as well as reviews of MUD/WTR and Four Sigmatic Instant Coffee Mix.
People Who Need More Zinc
June 26, 2025
A recent study showed that vegans and vegetarians tended to have lower zinc blood levels and reduced immune function, which could be offset with modest zinc supplementation. Get the details in the Causes of Zinc Deficiency section of our Zinc Supplements Review, which includes our Top Picks for zinc supplements.
Also see our article: Top 8 vitamins and nutrients for vegetarians and vegans.
Too Much Nitrate from Beetroot
June 26, 2025
The amount of nitrate in beetroot products may cause a rare blood disorder that reduces oxygen delivery in the body. Learn about risk levels and who is most likely to be affected, in the Concerns and Cautions section of our article about beetroot juice and supplements.
Is N-Acetylcarnosine the Same as L-Carnosine?
June 24, 2025
Find out how these compounds differ in form and use in our article about L-carnosine.
Apigenin for Menopause or PCOS?
June 24, 2025
Can taking apigenin (from chamomile) alleviate menopausal symptoms or help with polycystic ovary syndrome? Find out what recent studies suggest in our article about the safety and health effects of apigenin.
Cadmium & Lead in Popular Cocoa Powder
June 24, 2025
A separate testing group reported higher levels of cadmium and lead in a popular cocoa powder than we found in our 2022 tests. We now suggest caution with this product. Get the details in our Dark Chocolate and Cocoa Review, which includes our Top Picks among products. (Note: We will soon test cocoas and chocolates again. Product suggestions will be solicited from CL members in July.)
Trehalose & Infection Risk?
June 24, 2025
Does the sweetener trehalose increase the risk of C. difficile infection? Find out in the Trehalose section of our article about sweeteners, which includes our Top Picks among sweeteners.
Dry Eye: Do Warm Compresses Help?
June 24, 2025
Are warm compresses or microwaveable eye masks useful for relieving dry eye? Find out in our article about dry eye, which includes information about supplements, natural eye drops, and lifestyle modifications that may help.
Cadmium in Buckwheat
June 24, 2025
A separate testing group recently reported "concerning levels" of the toxin cadmium in one of our Top Pick gluten-free grains. Get the details and our take on this in our Gluten-Free Grains Review which includes our Top Picks for buckwheat, quinoa, sorghum, millet and teff.
Adequate Iron is Critical for Teenage Girls
June 24, 2025
Iron deficiency (even without anemia) may adversely affect brain development in adolescent females, according to a recent study. Get the details in our Iron Supplement Review, which includes our Top Picks among iron supplements.
