Whether b12 injections and weight loss or shots are being used, the positive effects remain the sameaiding in energy, metabolism, red blood cell production, and overall well-being
Pharmacokinetics: Cyanocobalamin is administered intranasally, orally, and parenterally, while hydroxocobalamin is administered only parenterally. Once absorbed, vitamin B12 is highly bound to transcobalamin II, a specific B-globulin carrier protein and is distributed and stored primarily in the liver as coenzyme B12. The bone marrow also stores a significant amount of the absorbed vitamin B12. This vitamin crosses the placenta and is distributed into breast milk. Enterohepatic recirculation conserves systemic stores. The half-life is about 6 days (400 days in the liver). Elimination is primarily through the bile; however, excess cyanocobalamin is excreted unchanged in the urine
(2001) Increase of Fat Oxidation and Weight Loss in Obese Mice by Chronic Treatment with hGH or a Modified C-Terminal Fragment Int J Obes 25(10):14429
Vitamin B12 is known to be excreted in human milk
DNA damage: Accumulating mutations that impair gene expression
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