Vitamin B12 is a water-soluble vitamin, i.e., once it is dissolved in water, it can be absorbed by the tissues easily
10.1242/jcs.02793 3 ArckP
Back then, insulin and oxytocin were the only peptides I knew to be classified as peptides and not proteins (larger chains of amino acids)
From years of research studies, it is understandable that if your iron levels are low, you may feel tired all the time, dizzy, and even have other health complications
Reductions in glutathione synthesis and tissue glutathione concentrations in aged animals (compared to younger ones) are suggestive of a potentially lower ability to respond to oxidative stress or toxin exposure (28)
Besides, BPC 157 has particular effects on the wound-healing process in different tissues (50-55), including blood vessels (9, 30, 39, 52-54) and in particular burn wounds (13-15)