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Clinical Updates
Quercetin Supplements
Most Quercetin Brands Fail Test
5/13/2022
Twenty out of 24 brands of quercetin purchased on Amazon contained much less quercetin than listed in a recent analysis. For details by brand, see the Quality Concerns section of our Quercetin Review.
Quercetin for Severe COVID?
12/06/2021
Does quercetin help people with severe COVID-19? See what a recent study suggests in the Viral Infections section of our Quercetin Supplements Review. Also see our Top Picks for quercetin.
Quercetin & COVID
11/04/2021
Find out if quercetin helped people with early-stage COVID-19 in a recent study. Details are in the Viral Infections section of our Quercetin Supplements Review, which includes our test results and Top Picks among quercetin supplements.
Is Quercetin Safe?
3/30/2020
Quercetin has been proposed as a treatment for a range of medical conditions, including COVID-19, but is it safe? Find out what studies have found, including results of a recent, small clinical trial, in the Concerns and Cautions section of the Quercetin Supplements Review. Also see our Top Picks for quercetin.
