Its a synthetic peptide derived from a protein found in human gastric juices
That being said, neither study specifically states how much one must take of vitamin B12 (or folate) for their blood serum levels to register as either "very high" or "extremely high." For that reason, although vitamin B12 (and folate) supplementation are important during pregnancy, it's best to look to your healthcare provider for guidance
PRP Uses your own bloods platelets to stimulate natural healing, collagen, and hair growth
Biochim et Biophys Acta (BBA) Mol Cell Res 1813:508520 Mandal D, Mazumder A, Das P, Kundu M, Basu J (2005) Fas-, caspase 8-, and caspase 3-dependent signaling regulates the activity of the aminophospholipid translocase and phosphatidylserine externalization in human erythrocytes