The U.S. Food and Drug Administration (United States) has warned those suffering from problems such as heart or lung disease not to use oxygen bars.

However, the U.S. Food and Drug Administration warns that these are yet unproven claims.

The U.S. Food and Drug Administration has listed Cansema as a "fake cancer cure" and warns consumers to avoid it.

The U.S. Food and Drug Administration (FDA) and the drug's manufacturers have warned about:

The U.S. Food and Drug Administration has warned several pharmacies about making unsubstantiated claims about the safety and effectiveness of compounded hormone products.

In 2006, the U.S. Food and Drug Administration warned consumers not to use bismacine, noting that it is ineffective and dangerous.

The U.S. Food and Drug Administration (FDA) warns people not to use certain diet aids that are known to be tainted with drugs or chemicals.

The U.S. Food and Drug Administration today is warning consumers that Hyland's Teething Tablets may pose a risk to children.

The U.S. Food and Drug Administration is warning consumers not to use 3.5 oz.

The U.S. Food and Drug Administration has warned against giving flu shots with needle-free injectors.