[6] investigated the effects of BPC-157 on inflammation and bone resorption in rats with experimental periodontitis
Sources Vitamin B12 - Consumer | National Institutes of Health VITAMIN B12: Overview, Uses, Side Effects, Precautions, Interactions, Dosing and Reviews | WebMD Article Vitamin B12 Deficiency: Causes, Symptoms, and Treatment | WebMD Living longer isnt enough if you dont feel your best
The vitamin B12 deficiency involved in pernicious anemia is not brought on by inadequate diet, but rather by a relatively rare condition that inhibits the absorption of vitamin B12 in the gut, per MedlinePlus Medical Encyclopedia
Similar to all the vitamins there is extensive information available to you in literature and online resources and you could genuinely read every night for months about them - like I previously mentioned, think of the body as a car