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Product Reviews (26)
CL Answers (10)
How can I find out where a vitamin or supplement is made and where its ingredients come from, such as China or the USA?
Learn more about the manufacturing, distribution, and ingredients of a supplement, including FDA regulations. ConsumerLab's answer explains.
Can I get the new coronavirus (2019-nCoV) from supplements from China?
Information about catching the coronavirus from supplements from China, plus info on contamination with heavy metals like lead and more. ConsumerLab's answer explains.
What are the health benefits of zinc carnosine, also called polaprezinc, and is it safe?
Find out if zinc carnosine is beneficial for any GI conditions, including stomach ulcers, Helicobacter pylori infection, taste disturbances, aspirin-induced small-bowel injury and oral mucositis, and learn if it is safe.
How can I get tested for the coronavirus? Can I get a home-test for COVID-19? Which are the best tests? Are any tests free?
Coronavirus (COVID-19) Tests: Where to get COVID-19 tests, including information about free testing, home testing and more. Information about SARS-CoV-2 virus tests, antibody tests and FDA approved tests.
Can taking too much vitamin B-6 be dangerous? The label on my multivitamin states it contains 2000% of the Daily Value!
Find out if multivitamins contain excessive amounts of B-6, how much B-6 is too much, and symptoms of toxicity and overdose. ConsumerLab's answer explains.
Which "whole food" multivitamins don't include synthetic vitamins? How about Complete Foods, Sunwarrior, Garden of Life, Nature's Brands, and Doctors' Research?
Find out which "whole food" multivitamins are only from foods and which include synthetic vitamins, including Complete Foods Nutrition-OctoMega MultiVitamin; Sunwarrior; Garden of Life-MyKind Organics; Nature's Brands-PhytoVitamins; Doctors' Research MultiVitamin. ConsumerLab's answer explains.
Which is the best mask to prevent COVID-19 and how do cloth, disposable, N95, and KN95 masks compare? How can I stop glasses from fogging?
See our Top Picks for masks. Learn how to make COVID-19 masks from materials at home that can be almost as effective as surgical mask and N-95 masks.
Do hair loss supplements work, such as Viviscal?
Vitamins and supplements that may help with hair loss and thinning, including saw palmetto, beta-sitosterol, protein, iron, and vitamin D. ConsumerLab's answer explains.
I take omeprazole (Prilosec), a proton pump inhibitor, to reduce stomach acid. Are there supplements I should avoid, or be taking, due to this drug?
Supplement interactions with proton pump inhibitor (PPI) drugs like omeprazole (Prilosec) and Nexium. ConsumerLab's answer explains.
Does collagen taken as a supplement help with arthritis? I'm seeing it in products for joint health.
Learn more about collagen supplements, including evidence from clinical studies on arthritis and muscle strength and safety. ConsumerLab's answer explains.