Federal law generally prohibits dietary supplements from claiming to treat specific diseases or viruses. Yet NPR found more than 100 products sold on Amazon that make unsubstantiated antiviral claims.
Does exercise recovery work? Science writer Christie Aschwanden examines the physiology and effectiveness of sports drinks, protein powders and other products and services in her new book, Good to Go.
Republican Orrin Hatch is leaving the Senate after 42 years. He led bipartisan efforts to get health care for more kids and AIDS patients. He also thrived on donations from the drug industry.
Hundreds of nutritional supplements contain unapproved pharmaceutical ingredients, according to an FDA database. So why isn't the agency doing more to get them recalled?
The jury's been out on whether low blood levels of vitamin D increase the risk of colorectal cancer. Researchers say a new review involving more than 12,000 people strongly suggests the answer is yes.
An analysis finds that if you're deficient in vitamin D, taking a supplement might cut your risk of respiratory infections. But there's disagreement on what's considered deficient.
Researchers who surveyed 244 shops across the U.S. found that, despite label warnings, two thirds would recommend the dietary supplement to a 15-year-old football player trying to gain muscle.
It's flu season — time for the marketing of juices and supplements that claim to boost immunity. But they don't help, scientists say. Instead, try eating healthy and getting enough sleep.
Some spa-like clinics will inject an expensive mix of water and vitamins into your bloodstream, ostensibly to ward off illness and boost energy. But can't drinking fluids offer the same benefit?
Some supplements sold to improve workouts contain a stimulant that's been banned and may pose health risks, according to tests. The Food and Drug Administration has warned seven manufacturers.