B12 does not provide any extra energy if you are not deficient
The combination of BPC-157 plus TB-500, often called the Wolverine Stack, adds a systemic recovery component to BPC-157s local action
10.1007/s10620-008-0598-y 107 SiegallC
by Jack Norris, RD Contents Introduction Brief History of B12 Recommendations for Vegans Government Recommendations Cyanocobalamin Absorption Vegan Health B12 Recommendations Appendix A
It also has been linked to influencing other growth pathways, like increasing gene expression for repair and even modulating neurotransmitter systems (dopamine, serotonin, etc., in brain injury models)
Image 2: Vitamin B12 absorption and metabolism Image: Simplified vitamin B12 absorption and metabolism and inter-relationship with the folate cycle