The US Food & Drug Administration (FDA) on Tuesday announced sending 14 warning letters and four online advisory letters to companies selling dozens of products that claim to cure, diagnose, treat or prevent cancer.

Several recipients of the warning letters sell nutritional supplements, such as herbs and vitamins. However, FDA said various statements on websites and social media made their products unapproved new drugs in violation of the Federal Food, Drug & Cosmetic Act (FDCA).

Read the full article from Natural Products Insider by clicking here.