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Clinical Updates
Recently Added
Caution With Apple Cider Vinegar
July 29, 2025
Although rare, liver injury has been reported with consumption of apple cider vinegar. Get the details in the Concerns and Cautions section of our Apple Cider Vinegar Review, which includes our Top Picks for apple cider vinegar.
Metals in Plant-Based Protein
July 29, 2025
Plant-based protein powders tend to contain higher amounts of lead and cadmium than whey-based products, according to a recent study. However, they may also contain significant amounts of essential minerals. Get the details in our Protein Powders, Shakes and Meal Replacements Review, which includes our Top Picks among protein supplements.
When Magnesium Labels Mislead
July 29, 2025
Two popular magnesium supplements were NOT Approved in our Magnesium Review as we suspected the presence of the cheaper "oxide" form of magnesium instead of the claimed "glycinate" or "aspartate" forms. One of the companies recently admitted this. For details, see the Update. Also see our Top Picks among magnesium supplements.
Does This Toothpaste Really Remineralize?
July 29, 2025
The claim that a hydroxyapaptite toothpaste “remineralizes” teeth has been challenged. Find out what a review board concluded in the enamel section of our article about toothpaste, which includes our Top Picks among toothpastes.
Arthritis Supplements Caution
July 25, 2025
Some "natural" arthritis pain supplements actually contain a prescription medication linked with serious side effects. Get the details, including the names of products containing the ingredient, in our article about supplements for arthritis.
Ginger for Joint Pain?
July 25, 2025
Does taking ginger extract reduce joint pain or stiffness? See what a recent study found in the Osteoarthritis section of our Ginger Supplements Review, which includes our Top Pick for ginger supplements, chews and spices.
Spermidine for Gray Hair?
July 25, 2025
Does taking spermidine slow or reverse graying hair? Find out what research suggests in our article: Can any supplements reverse gray hair?
Also see our article about supplements for hair growth.
Also see our article about supplements for hair growth.
Sunscreens We Prefer
July 25, 2025
Lead in Toothpaste
July 25, 2025
A remineralizing toothpaste with hydroxyapatite was recently reported to contain an amount of lead several times the "Action Level." Should you be concerned? Get our take on this in the toothpastes for restoring enamel section of our article on dental products, which includes our Top Picks among toothpastes.
Lactoferrin for Dry Eye?
July 22, 2025
Lactoferrin is a natural component of tears, but can taking lactoferrin as a supplement relieve symptoms of dry eye? Find out in our article about the health benefits of lactoferrin. Also learn about other supplements, eye drops, and lifestyle modifications for dry eye.
