mwtformin and b12 injections Metabolism of vitamin B 12 proposed mechanisms of metformin-induced Metformin cause vitamin B12 deficiencyπ¨ββοΈ
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[8] The researchers reported that it stimulates insulin release through the calcium channel and the adrenergic receptor pathways. Interestingly, it appears to mediate an immediate short-term response, causing a rapid GH release
Classification in Pharmaceutical Terminology In medicine, cyanocobalamin is called a vitamin B12 analog

2020 Oct 23;12(11):3254

People who have difficulty absorbing vitamin B12, such as those with Crohns disease, may benefit from B12 injections which avoid the need for absorption in the digestive tract

Clinical Trial Dosage Findings: What the Human Data Shows The Phase II clinical trials tested doses from 1 mg/day up to 10 mg/day
I am so sorry to hear you have all that to deal with
