July 23, 2013 Physicians are partly to blame for the increasing popularity of untested treatments, says Dr. Paul Offit. Rather than pushing back against misguided patient demand, he says, doctors have "acted like waiters at a restaurant, simply asking, 'What would you like?' "
June 14, 2013 An extract from raw, green coffee beans has been called a "miracle" weight-loss aid. But a study in mice casts doubt on the supplement's fat-burning effects — and even offers preliminary evidence that it could be harmful.
April 23, 2013 More than 200 dietary supplements have been recalled in recent years because they contain drugs that aren't listed on the label, an analysis finds. The ingredients are potentially harmful, researchers say.
April 4, 2013 The Food and Drug Administration says it can't keep up with all the dietary supplements that claim to enhance sexual performance. Many have been found to contain potentially harmful ingredients, so the agency is warning people to beware of the entire bunch.
February 25, 2013 There's no evidence that calcium supplements help prevent bone fractures in most people, a preventive services task force says. And calcium supplements boost the risk of kidney stones, and perhaps heart disease.
February 12, 2013 A study of more than 85,000 women in Norway found that those who started taking a folic acid supplement four weeks before getting pregnant were about 40 percent less likely to have a child who developed the disorder. Mothers had to continue taking the supplement during the first eight weeks of pregnancy to get the full benefit.
January 9, 2013 A chemical analysis funded by the Defense Department finds that some dietary supplements contain far more caffeine than the amount listed on their labels. Other energy-boosting supplements contain less caffeine than the labels claim.
May 12, 2012 Black pepper and other spicy foods are often touted as weight loss aides, thanks to ingredients like capsaicin, but saying no to the freshly-grated Parmesan is more likely to help you lose weight.
April 26, 2012 The American Cancer Society says there's strong evidence that an active lifestyle and a diet rich in fruits and vegetables can help cancer survivors live longer and stay cancer-free. But the latest guidelines take a dim view of nutritional supplements, which experts say can be harmful.
December 6, 2011 Federal regulators want companies to stop selling homeopathic human chorionic gonadotropin to help people lose weight to stop. The regulators said the marketing of the products makes them "unnapproved new drugs" and that's against the law.
November 15, 2011 A survey finds 42 percent of hospitals offer at least one type of complementary or alternative medicine treatment. Those hospitals that offer the options cite patient demand as the top reason. Clinical effectiveness is the No. 2 reason.
October 11, 2011 Use of many common supplements — iron, in particular — appeared to increase the risk of dying, and only calcium supplements appeared to reduce mortality risk. The increased risk amounted to a few percentage points in most instances.