Research Dosages Used in Published Studies Dosages in BPC-157 and TB-500 research vary by animal model, route, and study design, and the figures below describe what specific studies used rather than recommendations for any use
This does not change the dose, just the injection experience
Loading Phase (Weeks 1-4): 2 to 2.5 mg twice weekly (Monday/Thursday schedule) Maintenance Phase (Weeks 5+): 2 mg once every 7 to 14 days Administration: Subcutaneous injection, location flexible due to systemic distribution Total Cycle: 8 to 12 weeks with 4 to 8 weeks off between cycles The convenience of twice-weekly dosing during loading and weekly or biweekly dosing during maintenance fits easily into Retatrutide schedules
These molecules are exposed to series of reactions such as condensation, ring formation, and hydrolysis
This is why we built methylcobalamin into Building Blocks so a foundational nutrient like B12 isn't the bottleneck when you're investing in protocols designed to optimize how you feel, train, and perform
