PGC-1-deficient mice were more susceptible to the neurotoxic effect of MPTP (Ye and Wu 2021)
Subcutaneous administration
dose-for-dose comparison is not one-to-one Dosing reliability depends on patient technique (adequate spray volume, appropriate positioning, holding time in the mouth before swallowing) Some interindividual variability in absorption Licensed Healthcare Practitioners 1,000+ physician-grade products, bulk-tier pricing, and direct shipping to your practice
Key distinction: BPC-157 provides daily, sustained systemic signaling over weeks
Solomou G, Dulanka Silva A, Wong A, Pohl U, Tzerakis N
Oral supplements: can work for mild deficiency and maintenance in people who absorb B12 normally, but tend to take longer and are less reliable when absorption is impaired