For data integrity, it would be safest to discard the vial
A common protocol for patients with a B12 deficiency may be 1,000 mcg daily for one week, then the same dosage once weekly, and then the same dosage once per month after the deficiency has been addressed
Some users report a mild drop-off or return of symptoms after stopping, especially if: The underlying condition was not fully healed BPC-157 was used without addressing root causes (e.g., diet, stress, overtraining) They used lower doses or short durations without stacking foundational support like L-Glutamine or Collagen Protein This doesn't mean BPC-157 stopped workingrather, that the body still needs support to complete the healing process
In addition, the gut microbiota can produce neurotransmitters such as acetylcholine, norepinephrine, and gamma-aminobutyric acid (Lyte, 2014), which connect with the metabolically dependent immune pathways through the sympathetic nervous system (SNS) to control the function of the kidney (liewska et al., 2019
Yes, B12 injections can have side effects, although they are generally rare and mild