Although green tea extract is often linked to health benefits, high doses may affect blood sugar in unpredictable ways and ...

These products pose a variety of risks, including harmful medication interactions, direct damage to the kidneys, and indirect kidney damage due to the toxicity that results when the kidneys aren’t ...

Dietary supplements are a booming business. More than half of U.S. adults take at least one, and the supplement industry is worth billions of dollars. But many experts say people are better off saving ...