BPC 157 Polar Peptides How Long Does BPC 157 Take to Work? Timeline and Guide BPC 157 Dosing (Common Protocols) Oral Subcutaneous 500 mcg daily Duration: 6 weeks Intramuscular Peritendinous 1 mg daily Duration: 6 weeks Note: Not approved Some people start seeing improvements with as little as 250 micrograms once per day, while others need to work up to around 1 to 2 milligrams daily, split into smaller doses on an empty stomach. In BPC 157 Benefits For Woman: Reasons To Try The BPC 157 Peptide