bpc 157 accelerates tendon healing BPC-157 – No Proof Required! | Office for Science and Society BPC-157: What the Science Actually

(Isolated vitamin B12 deficiency is very rare)

It is used to maintain the reproduction function, stimulate development, increase productivity, nonspecific resistance, egg production, growth of young stock, improve the condition of the skin and plumage, during periods of increased need for nutrients (stressful situations, transportation, veterinary measures, changes in feed composition, high temperatures) during pregnancy (second half) and lactation, during the vaccination period

They help prevent premature gray hair and wrinkles by ensuring proper cell reproduction and RNA (Ribonucleic acid) and DNA (Deoxyribonucleic acid) synthesis

Anything in particular you want to know about the shots

This isn't just a case of two things being generally 'unhealthy.' It's a direct, antagonistic interaction on a physiological level