how often do you need to take bpc 157 BPC-157 Dosage Protocol: Injection Guide BPC 157: Science-Backed Uses, Benefits,

Journal of Physiology-Paris, 112(2), 253-262

According to clinical observations reported by Integrative Medicine of Los Angeles, an intramuscular B12 injection is absorbed more slowly over a longer time frame compared to an IV infusion, which delivers the nutrient immediately into the vasculature

GI conditions, such as chronic pancreatitis, exocrine pancreatic insufficiency, and inflammatory bowel disease, can result in a decreased ability to absorb B12 in the GI tract, leading to a deficiency despite the dog eating a balanced diet

You'd add 5mL bacteriostatic water instead, creating a 10mg/mL solution where 0.25mL = 2.5mg