fda statement bpc-157 not approved human use BPC-157: Experimental Peptide Creates Risk for Athletes Survey: Half of Peptide-Users Aren't
Description
It is determined by the pharmacokinetics of each specific peptide, the therapeutic goal, and the cycle structure prescribed

A dose of 1,000 mcg is often used, mainly for severe cases or initial treatment

"Tolerable Upper Intake Levels For Vitamins And Minerals" (PDF)

Higher Dosages : In some treatment protocols, larger doses of B12 may be required, ranging from 1 ml to 3 ml
[DOI] [PubMed] [Google Scholar] Li Y

This 16-amino acid chain was designed to isolate the fat-burning effects of growth hormone without triggering the broader growth and metabolic effects of full HGH therapy