BPC 157 + TB 500 Blend 20mg Research Peptide PRG How do you make a purified peptide stable for shipping and storage? Lyophilization, also called freeze drying. This process removes water from the peptide solution without harming its delicate structure, turning it BPC 157 Pure Oral Spray, Integrative Peptides Professional Supplement Center BPC 157 aka Wolverine. This peptide is not FDA approved, but it is very popular among the biohacking population. Ashley explains the science behind it, but remember, it doesnt have human data yet, so BPC 157 Supports Recovery, Gut Health & Regeneration