Save to favorites
This feature is restricted to active members.
Join now to save favorites and get all member benefits, including over 1,400 reviews.
Join NowAlready a member? Sign in here.
Clinical Updates
Recently Added
Comparing L-Carnosine Cost
October 27, 2025
We haven’t tested these supplements — but we’ve compared costs across popular brands. See our L-carnosine article.
Is DAO Safe?
October 27, 2025
DAO (diamine oxidase) supplements are used for histamine intolerance, but how safe are these supplements? Find out in our article about DAO for histamine intolerance, which includes information about choosing a DAO supplement.
Vitamin Deficiency from Fasting
October 27, 2025
Be aware that extreme fasting (water only) can cause thiamin deficiency and neurological symptoms, as was recently reported. For more details see our B Vitamin Supplements Review, which includes our Top Picks for thiamin and other B vitamins.
Turmeric Linked to Liver Injury
October 27, 2025
A man developed liver injury six weeks after starting a turmeric supplement with black pepper extract. Learn what happened in our Turmeric and Curcumin Review, which includes our Top Picks for turmeric and curcumin supplements and spices.
Vitamin D & Tinnitus Relief?
October 27, 2025
Vitamin D supplementation appeared to improve hearing and decrease tinnitus (ringing in the ears) in people with sudden hearing loss and low levels of vitamin D, according to a recent study. Get the details in our Vitamin D Supplements Review.
Can Vitamin D Help You Dodge Colds?
October 27, 2025
Cold season is here — but could vitamin D keep sniffles at bay? Discover what the latest research says about vitamin D’s role in preventing respiratory infections and shortening sick days in our Vitamin D Supplements Review, which includes our Top Picks for vitamin D.
Prelief for Heartburn or Bladder Pain?
October 23, 2025
Does this product lead to less heartburn and bladder pain? See what the evidence says in our article about Prelief.
Acacia Fiber for IBS-Related Constipation?
October 23, 2025
Find out how acacia fared in a recent study and how it compares to other prebiotics in our Prebiotics Review, which includes our Top Picks among prebiotics.
Also see: Which supplements and foods help relieve constipation and which can cause constipation?
Beta-Alanine for Endurance
October 23, 2025
Does beta-alanine really boost stamina and performance? Discover what the latest research says in our L-carnosine article.
Probiotics & Immunity
October 23, 2025
Can probiotics help fend off colds and respiratory infections? Find out in our updated Probiotics Supplements Review, plus see our Top Picks for probiotics.
