Could this popular supplement be a total waste?
There's one big benefit—and a few negatives, too.
"Vitamin C, D and Zinc are important for appropriate immune response," says Dr. Mareiniss.
You may be doing harm by taking these "healthy" supplements.
There are a bunch of benefits — and a few risks — to amping up your vitamin C intake.
Americans are trying to fortify their health with these.
It's best to get your nutrients from food.
A new study links low zinc levels with increased mortality rate amongst coronavirus patients
Zinc, melatonin and other over-the-counter supplements accompany an experimental cocktail.
An RD takes a look at the benefits of collagen.
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