Save to favorites
This feature is restricted to active members.
Join now to save favorites and get all member benefits, including over 1,400 product reviews.
Join NowAlready a member? Sign in here.
Clinical Updates
Recently Added
Stress Relief from a Postbiotic?
November 12, 2026
Did a postbiotic ingredient (found in supplements from Swanson and Life Extension) ease stress and improve sleep in a recent study? Find out in our article about supplements for stress.
NAC: Does It Help With Fatty Liver or Other Conditions?
November 12, 2026
NAC (N-acetyl cysteine) is promoted for many uses, but does it reduce liver fat? A new clinical study put it to the test. Find out if it worked and if NAC helps with other conditions + see our Top Picks for NAC.
Better Memory With a Red Chili Extract?
November 12, 2026
Did an extract from red chili pepper (capsaicin) improve memory and cognition in older people? Find out in our article about supplements for memory.
Passionflower for a Testosterone Boost?
November 09, 2026
Passionflower is best known for reducing stress -- but could it also boost testosterone? Find out in our article about supplements that might increase testosterone.
Lower NAD Levels: Is Age Really the Reason?
November 09, 2026
A recent study challenges the idea that NAD levels decline with age. Get the details and see our Top Picks for NAD Boosters, including NMN supplements.
Cholesterol-Lowering Statins Affected by Green Tea
November 09, 2026
Levels of cholesterol-lowering statin drugs, such as atorvastatin (Lipitor), can be affected by green tea. Get the latest information in our Green Tea Review, which includes our tests and Top Picks for green tea.
Rare but Serious GLP-1 Side Effect
November 09, 2026
GLP-1 medications have been linked to a rare but serious brain condition caused by a vitamin deficiency. Get the details about this and the vitamins and minerals of concern with GLP-1 medications.
The Hidden Sweetener Found in Some Protein Powders
November 05, 2026
Thaumatin is a natural sweetener and flavor enhancer found in some protein powders and other supplements. Learn about its pros and cons and see our Top Picks for no-calorie or low-calorie sweeteners.
Magnesium Tablets May Fail With Thickening Agents
November 02, 2026
If you use a thickening agent to help swallow liquids, be aware that it may cause problems if taking a magnesium tablet. See the details in our Magnesium Supplements Review and our Top Picks for magnesium.
Ashwagandha for Anxiety: Does It Help?
November 02, 2026
Can ashwagandha help ease anxiety and stress? See the latest evidence and our Top Picks for ashwagandha.
