Everyone online is suddenly injecting peptides. But almost nobody understands the scienceor the regulation. The FDA recently shifted several peptides off the Category 2 safety risk list tied to compounding rules. First, that FDA issues warning letters to four companies for foreign supplier verification failures Food Safety News FDA to weigh easing limits on unproven peptides FDA issued a warning letter to a medical spa for failing to follow requirements that help ensure prescription drugs are safe and come from verified sources. These safeguards protect patients from potentially