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Clinical Updates
Recently Added
How Much Vitamin D Do You Actually Need?
May 14, 2026
Learn what level is considered sufficient and how your current vitamin D status and body weight may affect dosing in our Vitamin D Supplements Review + see our Top Picks for vitamin D.
A Calcium Warning for GLP-1 Users
May 14, 2026
A recent case highlights a potentially serious interaction. See what to avoid and what to consider instead. Get the details in our article about supplements to take or avoid with GLP-1s.
Caution With GLP-1s and Lithium
May 12, 2026
Starting or switching GLP-1s while on lithium may cause serious side effects, according to several reports. Get the details in our article about using GLP-1s.
Treatments for Alopecia Areata?
May 11, 2026
Can light therapy or taking glycyrrhizin (a compound in licorice) improve the patchy hair loss of alopecia areata (an autoimmune condition)? Find out in our article about supplements for hair.
Folic Acid or Methylfolate in Pregnancy
May 11, 2026
Does the form of folate in a prenatal vitamin matter during pregnancy? See what a recent study found in our B Vitamin Supplements Review, which includes our Top Picks for folate.
Vitamin D & Vertigo
May 11, 2026
Does taking vitamin D reduce the recurrence of a common form of vertigo (BPPV)? Get the latest research in our Vitamin D Supplements Review + our Top Picks for vitamin D.
Creatine Brain Boost?
May 11, 2026
Did creatine increase the cognitive or physical benefits of exercise in older men and women? Find out what a recent study showed in our Muscle & Workout Supplements Review + see our Top Picks for creatine and BCAAs.
Concern with Glycerol?
May 07, 2026
Glycerol is added to foods and beverages for sweetness/texture, but too much can cause side effects. Find out which foods are riskiest in our article about sweeteners and sugar substitutes, which includes our top choices for sweeteners.
Beef Tallow for Skincare?
May 07, 2026
Beef tallow is trending as a "natural" moisturizer. What does the evidence say about irritation, acne risk, and performance? See the answer in our article about soaps for sensitive skin.
Capsimax for Weight?
May 07, 2026
Capsimax is a cayenne pepper ingredient in supplements for weight control. Find out if it works and if it's safe.
