By the time most people are diagnosed, their bodys long-term B12 reserves (which are stored in the liver) are completely empty
Applications in the Exploration of Obesity Intervention Strategies and Drug Development Based on its unique mechanism of action and favorable physiological regulatory effects, NNMTi has become an important candidate molecule for the exploration of obesity intervention strategies and the development of antiobesity drugs

It is classified as a research chemical, meaning: It cannot be legally marketed as a drug or supplement It is not recognized as "Generally Recognized as Safe" (GRAS) No New Drug Application (NDA) has been submitted It has not undergone the formal FDA approval process Research Chemical Status BPC-157 is available for purchase as a "research chemical" in most jurisdictions, with important caveats: Sold for "research purposes only" Not for human consumption (legally) No quality standards enforced by regulatory agencies Purity and identity depend entirely on supplier integrity International Regulations Regulatory status varies by country: United States : Research chemical, not approved for human use European Union : Not approved, status varies by member state Canada : Not approved for human use, research chemical Australia : Not approved, TGA Category 4 substance United Kingdom : Not approved for human use Sports and Competition BPC-157 is not specifically listed on the World Anti-Doping Agency (WADA) prohibited list, unlike TB-500

Certain medications use sublingual delivery specifically to bypass first-pass metabolism in the liver
For my STEAM project, I decided to research what happens when someone goes through a gastrectomy and how they are still able to absorb vitamin B12, an essential nutrient needed for red blood cell production, nerve function, and DNA synthesis