Phase I safety studies report good tolerability with no serious adverse events at tested doses [9]
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Hydroxocobalamin might stay in the body longer
Scientists originally developed it to harness hGHs fat-burning properties, minimizing hGHs side effects such as upsetting insulin balance
Possible complications heart failure severe neurological deficits gastric cancer type 1 diabetes rheumatoid arthritis myasthenia gravis (a chronic condition causing muscle weakness) Hashimotos disease (an autoimmune condition affecting the thyroid) A pregnant or nursing person with a B12 deficiency When a person receives treatment for a B12 deficiency, they generally recover well and cease to have symptoms, although they may need to continue to use B12 nutritional supplements
Owing to the extremely efficient enterohepatic circulation of B 12 , the liver can store 3 to 5 years' worth of vitamin B 12