(Second on my list would be vitamin D, but its much harder to develop low vitamin D levels if you take a daily supplement, as I explain in this post
A Low levels of vitamin B12 damage the nerves in the cochlea, a fluid-filled structure in the ear that is vital for hearing
Adequate studies in humans have not been conducted on parental methylcobalamin
BPC-157 has been studied extensively in preclinical models and has demonstrated meaningful effects on tissue repair, tendon and ligament healing, muscle recovery, wound healing, angiogenesis, nitric oxide signaling, inflammation modulation, and gastrointestinal mucosal protection
Plus, with no prolonged recovery period, you can return to your daily activities with confidence immediately after treatment