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Clinical Updates
Recently Added
Cadmium in Tofu?
February 27, 2025
Cadmium is found in tofu, but is the amount dangerous? Find out in our article about foods and supplements that contain lead/other heavy metals.
Walnuts for Heart Health?
February 27, 2025
Walnuts are permitted to bear a heart health claim – but it comes with a caveat. Get the details in our Shelled Walnuts Review, which includes our Top Picks among shelled walnuts, walnut halves & pieces, and chopped walnuts.
Energy Gels
February 27, 2025
Energy gels are a convenient on-the-go carbohydrate source, but some products contain much less than claimed on the labels according to a recent study. Get the results in our article about energy gels.
Lead & Tea
February 27, 2025
Although some teas are contaminated with lead (as we have shown), a recent study demonstrated that tea can also remove lead from the water in which is it brewed or steeped. Get the details in the Brewing section of our Green Tea Review, which includes our Top Picks among green teas.
PABA for Gray Hair?
February 24, 2025
Low intake of PABA has been linked with graying hair. Is boosting intake of PABA-containing foods likely to help? Find out in our article about supplements for gray hair.
Goldenseal, Metformin Interaction
February 24, 2025
Be aware goldenseal might reduce the absorption of the diabetes medication metformin, according to a recent study. For details, see the Concerns and Cautions section of our Berberine and Goldenseal Supplements Review, which includes our Top Picks for berberine and goldenseal.
Ashwagandha Side Effect
February 24, 2025
Be aware that ashwagandha might trigger symptoms of autoimmune conditions, according to one report. Details about this and other effects (including thyroid and liver) are in the Concerns and Cautions section of our Ashwagandha Supplements Review, which includes our Top Picks for ashwagandha.
Centrum Silver and Fracture Risk
February 24, 2025
Did Centrum Silver decrease the risk of bone fractures among older men and women? Find out what a recent study showed in the What It Does section of our Multivitamin Supplements Review, which includes our Top Picks among multivitamins.
Plastic in Bigelow Tea Bags?
February 24, 2025
Due to concern over microplastics, we asked Bigelow if their tea bags contain plastic. It turns out that some do and some don’t, as we explain in the Concerns with Plastic Tea Bags section of our Green Tea Review, which includes similar information for other tea brands. The Review also includes our Top Picks among green teas and supplements.
Ashwagandha for Physical Performance?
February 20, 2025
Does taking ashwagandha improve strength, physical performance, or recovery in athletes? Find out what a recent study showed in the Physical performance section of our Ashwagandha Supplements Review, which includes our Top Picks for ashwagandha.
