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Clinical Updates
Recently Added
Is Thyroid Function Affected by Arginine?
September 05, 2025
Does taking arginine affect thyroid hormone levels? Find out what a study showed in the Concerns and Cautions section of our Arginine Supplements Review, which includes our Top Picks.
5-HTP for Cognition?
September 05, 2025
Did taking 5-HTP improve cognitive function among older people in a recent study? Find out in the What It Does section of our L-Tryptophan and 5-HTP Supplements Review, which includes our Top Pick for 5-HTP.
Sucralose & Blood Sugar
September 05, 2025
Did consuming large amounts of sucralose (such as Splenda) daily increase blood sugar and insulin levels in a recent study? Find out in the Sucralose section of our article about the Pros and Cons of Sugar Substitutes, which includes our Top Picks among sugar substitutes.
Collagen for Knee Osteoarthritis?
September 05, 2025
Did taking a supplement containing two different forms of collagen improve pain, stiffness or swelling among people with knee osteoarthritis? Find out what a recent study showed in the Joint pain and function section of our Collagen Supplements Review, which includes our Top Picks for joint pain and for skin (wrinkles).
Magnesium for Sleep?
September 05, 2025
Did taking magnesium before bedtime improve sleep among people reporting poor sleep? Find out what a recent study showed in the Sleep section of our Magnesium Supplements Review, which includes our Top Picks for magnesium.
PFAS in Sparkling Waters
September 05, 2025
PFAS ("forever chemicals") were recently reported in some sparkling water products. Learn more and how the results compared to seltzer made with at-home "soda machines" in our article about PFAS.
Sardines vs. Herring
September 03, 2025
Why would a product labeled as "sardines" list "herring" as the main ingredient? Find out in our Canned Fish Review, which includes our Top Pick for sardines as well as tuna, salmon, and mackerel.
Beetroot and Migraine
September 03, 2025
Can beetroot juice or supplements trigger migraine? Find out in our article about beetroot. Also see a list of amounts of nitrate in popular beetroot products, which is often not listed on labels.
DHA During Pregnancy
September 03, 2025
Does taking high-dose DHA during pregnancy have cognitive benefits for infants? See what research suggests in the Pregnancy section of our Fish Oil Supplements Review, which includes our Top Picks fish oil supplement for pregnant women as well as our Top Pick among highly concentrated fish oils.
Berberine and Colorectal Polyps
September 03, 2025
Berberine may reduce the recurrence of colorectal polyps and the occurrence of precancerous colorectal polyps, according to a recent study analysis. Get the details in our Berberine and Goldenseal Supplements Review, which includes our Top Picks for berberine and goldenseal.
