how to.inject b12 to Self-Inject Vitamin at Home Do You Need a Prescription

Experimental and animal studies demonstrated that the downstream products of vitamin B12 metabolism are increased and oxidative stress, steatosis, and fibrosis develop in the liver in cystathionine -synthase-deficient mice (57)

Some of it may reference my own 2010 article

Dietary Deficiency: If your deficiency was purely due to diet (e.g., a vegan not supplementing) and youve since adjusted your diet or started regular oral supplements, you might eventually be able to space out injections more or even switch to oral maintenance, though this should always be carefully managed by your GP

o Methylcobalamin 93% 500 mcg (20000% NRV, according to Regulation 1169/2011)

The FDA and the EMA have stated that after review of published and unpublished reports, the current data do not support an increased risk of pancreatitis and pancreatic cancer in patients receiving incretin mimetics