And the BPC 157 TB 500 journey begins. Injection 1 of 30 into my body. Im excited to see how my body feels in the coming weeks. Was more nervous for this injection than Ive been doing flips from BPC 157 has already hit the mainstream, but should it hit your bloodstream? How Long Does BPC 157 Take to Work? Timeline and Guide Peptides BPC 157 Regenerative Medicine Houston 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 Oral Liposomal BPC Tissue Healing Support Supplement