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The patient far exceeded recommended dosages, which led to extremely high levels of calcium in his blood. It's those high blood calcium levels that triggered his kidney damage.

The changes would be "one of the most significant modernizations of dietary supplement regulation and oversight in more than 25 years," FDA Commissioner Dr. Scott Gottlieb said in an agency news release.

Are fish oil supplements an easy way to help your heart, joints and brain, or are they 21st century snake oil products? The truth may be somewhere in the middle.

And new study finds no reason to get routine vitamin D tests, researchers say.

Swiss scientists are working on a potential alternative to medical marijuana. They’re focused on the liverwort plant (Radula perrottetii), which contains an anti-inflammatory substance that's related to THC..

Between 2013 and 2016, the FDA found that supplement brands contained one or more of four unapproved stimulants. Despite public notice warnings from the agency, three-quarters of the supplements still contained at least one prohibited stimulant in 2017. And half contained two or more.

Many dietary supplements, especially those promising enhanced sexual pleasure or weight loss, contain unapproved and potentially dangerous ingredients, the FDA says.

In a change from its 2012 recommendations, the U.S. Preventive Services Task Force (USPSTF) is recommending against vitamin D supplements for "community-dwelling" (those living at home) adults over 65 for preventing falls.

The FDA is warning that high doses of the vitamin B7, or biotin, in dietary supplements can interfere with hundreds of common lab tests—including some relied on by ER doctors to diagnose a heart attack.

More than half of the herbal and dietary supplements analyzed by researchers contained ingredients that differed from the list on their labels.

Concerns over possible bacterial contamination that could cause severe infections in patients prompted the move

Study finds more people are exceeding the upper daily limit of what is considered safe

Other physicians urge caution, however, and say these findings aren't conclusive

Vitamin D, fish oil are in, multivitamins less so, study finds

Critics Call on FDA to Ban Concentrated Caffeine

FDA has warned makers of 8 products containing oxilofrine, or methylsynephrine

Seven federal agencies, including the Department of Justice and the FDA, held an extraordinary joint press conference Tuesday to announce the civil and criminal indictments of more than 100 makers and marketers of dietary supplements. WebMD has the details.

Danger for people who don't speak English well or have limited access to health services, agency says

Dietary supplements send an average of 23,000 people to the emergency room each year, a new study estimates. WebMD has the details.

Researchers find no evidence that boosting intake will prevent fractures

Labels on Yohimbe Products Inaccurate: Study

Pure Powdered Caffeine a Serious Health Risk: FDA

Concerns about high calcium blood levels led to 10-year study

FDA Issues Warning About Dietary Supplement