Omega-3 fatty acid supplements taken orally proved no better than placebo at relieving symptoms or signs of dry eye, according to the findings of a well-controlled trial funded by the National Eye Institute (NEI), part of the National Institutes of Health.
Plenty of dietary supplements claim to help you get in shape or lose weight, but do they really work? Several new resources from the National Institutes of Health summarize what is known about the safety and effectiveness of popular supplement ingredients.
In arguably vain attempts to be wholly healthy, many people turn to dietary supplements, or ingestible products of varying effects and nutritional values such as herbs, minerals or vitamins, according to the US Food and Drug Administration.
While dietary supplements may be advertised to promote health, a forum at the American Association for Cancer Research (AACR) Annual Meeting 2015 by University of Colorado Cancer Center investigator Tim Byers, MD, MPH, described research showing that over-the-counter supplements may actually increase cancer risk if taken in excess of the recommended dietary amount.