google scholar bpc 157 BPC-157 5mg BPC-157 and the gut–brain axis:

Without enough vitamin B12 in ones daily diet, hair follicles might not receive the oxygen and nutrients they need to grow thicker hair

Treatment with 5-amino-1mq upregulates proliferationrelated genes (Ki67, PCNA), promotes cell cycle progression, and improves cell fusion efficiency to form more multinucleated myotubes, achieving functional levels similar to those of young mice.Additionally, 5-amino-1mq inhibits muscle stem cell apoptosis, reduces oxidative stress damage, and maintains stemness

Controlled NO levels protect endothelial integrity and sustain healthy tissue perfusion across multiple organ systems

It can happen to anyone, anywhere in the world, but seems to impact people above 60 years old more often

Have no probs doing it myself though

One product leaflet for B12 states 50-98% of injected B12 is excreted with the urine