The FTC does go after false health claims, and the FDA doesn't allow off-label drug promotion
[5] Avoid B12 shots if: You have kidney or liver disease
FAQ: Peptides for Healing What is the most popular peptide for healing
While What Is Peptide Therapy (article not yet published) will delve deeper into the topic, the basic premise is that peptides can be administered via topical solutions, injections, or oral supplements to trigger cellular responses that help achieve therapeutic goals
Dong Y, Saal D, Thomas M, Faust R, Bonci A, Robinson T et al (2004)
Layering on too many active ingredients is a recipe for skin irritation and inflammationnot to mention, confusion on what is causing what and what is helping