where should i inject my b12 shot Giving Injections What is the correct way to give a B12 shot? Safe B12 Injection Guide at
Description
According to the National Institutes of Health, B12 deficiency can cause damage to the nervous system before a blood test indicates anything

Animals were housed under a 12-h light/dark cycle at 2123C and provided access to food and water ad libitum

If you have an MTHFR mutation you are a candidate for B12 shots

You had people suffering from anemia, and suddenly they were healed. Heber remembers being at a hospital in Bishop, California, when a wheelchair-bound man who had undergone gastric bypass surgery came in complaining of fatigue
(PubMed) Neumann WL, Coss E, Rugge M, Genta RM