Most people feel only a small pinch
BPC-157 Reconstitution Vial 5 mg BAC Water 2 mL Concentration 2,500 mcg/mL 250 mcg 10 units (0.10 mL) 500 mcg 20 units (0.20 mL) Vial 10 mg BAC Water 2 mL Concentration 5,000 mcg/mL 250 mcg 5 units (0.05 mL) 500 mcg 10 units (0.10 mL) TB-500 Reconstitution Vial 5 mg BAC Water 1 mL Concentration 5 mg/mL 2.5 mg 50 units (0.50 mL) 5 mg 100 units (1.00 mL) Vial 10 mg BAC Water 2 mL Concentration 5 mg/mL 2.5 mg 50 units (0.50 mL) 5 mg 100 units (1.00 mL) GHK-Cu Reconstitution Vial 50 mg BAC Water 5 mL Concentration 10 mg/mL 1 mg 10 units (0.10 mL) 2 mg 20 units (0.20 mL) Vial 100 mg BAC Water 10 mL Concentration 10 mg/mL 1 mg 10 units (0.10 mL) 2 mg 20 units (0.20 mL) Math Verification BPC-157: 5,000 mcg 2 mL = 2,500 mcg/mL 500 mcg = 0.20 mL = 20 units

If the injection is needed (e.g., to replete B or B in a deficient mother), it can be used, but the infant should be observed for any unusual symptoms (though none would be expected from B vitamins, apart from perhaps looser stools if anything)
Hydroxocobalamin 1mg is the standard UK formulation, typically administered every two to three months for maintenance therapy Self-administration requires GP prescription, competency training from practice nurses, and demonstration of proper injection technique Common injection sites include the thigh (vastus lateralis) for both intramuscular and subcutaneous administration with site rotation essential Serious side effects are rare but anaphylaxis requires immediate 999 call