BPC 157 for Mental Health: What 30 Years of Research Shows BPC 157 Dosing (Common Protocols), Oral Subcutaneous, 500 mcg daily, Duration: 6 weeks, Intramuscular Peritendinous, 1 mg daily, Duration: 6 weeks, Note:, Not approved by FDA or BPC 157: Experimental Peptide Creates Risk for Athletes While not all peptides are orally bioavailable, BPC157 has been shown to be stable for over 24 hours in human gastric juice. I've personally used both oral and injectable BPC with myself