Vitamin B12 is water-soluble, which means the body takes what it needs, and the rest passes harmlessly through the body
Birnbaum ZW
Acceleration of Bone and Joint Recovery : Studies suggest that BPC-157 facilitates bone regeneration and joint repair by modulating osteoblast and chondrocyte activity

Documented Long-Term Side Effects of Corticosteroids Bone loss and fractures due to calcium and vitamin D depletion and impaired osteoblast activity (2) Blood sugar dysregulation and steroid-induced diabetes through increased insulin resistance and gluconeogenesis (3) Muscle wasting and impaired connective tissue repair from protein catabolism and suppressed synthesis (4) Weakened immunity, delayed healing, and prolonged infections related to micronutrient depletion and immune suppression (5) Weight gain, mood changes, and insomnia driven by hormonal and circadian disruption (6,7) Abnormal blood lipids, hypertension, and increased cardiovascular risk , including heart attack, with long-term use (8) Thinning skin and easy bruising from collagen breakdown and connective tissue loss (9) Psychiatric effects , including anxiety, irritability, depression, andin severe casessteroid-induced psychosis, particularly at higher doses or with prolonged exposure (10) Even short-term corticosteroid use can cause side effects in susceptible patients

Its restorative action supports overall organ health and cellular stability
Accessed 31 Jan 2021 Arima Y, Chiew M, Matsui T, Emerging Disease Surveillance and Response Team, Division of Health Security and Emergencies, World Health Organization Regional Office for the Western Pacific