BPC 157 Before & After: What People Report Healthletic How Long Does It Take For BPC 157 To Kick In? Thinking about trying BPC 157? Read this first. While often marketed as a healing peptide BPC 157 is not FDA approved and not pharmacy grade meaning most versions sold online are unregulated, contaminated 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