Vegetarian and vegan sources of B12 can include fortified cereals, plant milks, bread, and nutritional yeast
Mendona R, Silveira AA, Conran N
(10) I.T.Gajger et al (2018) Stable gastric pentadecapeptide BPC 157 in honeybee (Apis mellifera) therapy, to control Nosema ceranae invasions in apiary conditions Journal of Veterinary Pharmacology and Therapeutics, 2018 Aug;41(4):614-621
The first step involves the binding of glutamic acid and cysteine, catalyzed by GCL, to form glutamylcysteine
Women and men follow the same reconstitution guidelines, though individual dosing may vary based on healthcare provider recommendations
In other words, smaller daily doses are better than infrequent higher ones