What can—or can’t—vitamin D do? Results are in from three new studies testing vitamin D at or above the Recommended Dietary Allowance (RDA)—600 IU a day up to age 70…
Category: Supplements
What probiotics are, what they do (and don’t do), and what we’re still learning. “People think that probiotics are all effective for the same health issues,” says University of Washington…
Ginkgo biloba doesn’t prevent dementia or cognitive decline in older people, and doesn’t help boost memory in younger folks either, according to the best independent studies. If you want to…
Can it boost your brain and memory, relieve your aches and pains, or protect your cells against deterioration, as some supplement companies claim? “The big problem with curcumin is that…
“There’s strong evidence that ginger can help with nausea and vomiting from motion sickness, morning sickness, and cancer chemotherapy,” says Suzanna Zick, a research associate professor in the Department of…
Who couldn’t use a little more sleep? Or at least a little more good-quality sleep. Here’s what can help…and what’s a waste of money. Michael V. Vitiello is professor of…
A multivitamin may prevent the low vitamin B-12 levels that are sometimes caused by metformin, a drug used by millions of people with diabetes. In a study of roughly 2,500…
“SuperBeets helps boost your body’s nitric oxide levels, and that helps increase your energy and stamina,” claims a TV ad for the concentrated dried beet powder. “It helps support healthy…
Can supplements marketed for opioid withdrawal speed detox? Here’s what our investigation found and how the FDA and the FTC have responded to it. Drug overdoses killed 64,000 people in…
Its muscle-relaxing effects may soothe a sensitive gut. “Peppermint oil reduces abdominal pain by targeting specific pain receptors,” says Adrian Masclee, a professor of gastroenterology and hepatology at the Maastricht…