In a clinical setting, vitamin B12 injections are rarely administered on a per day basis for long-term maintenance
After a few months of weekly injections, I was permitted to get such regular injections as my levels were so low and I was really suffering, my cycle suddenly regularised even though my hormone levels showed I was in early menopause
Because of this, lots of people have mild to moderate vitamin B12 deficiencies due to unbalanced diets or other factors
A common protocol, for example, is to begin with about 20 mg of NAD+ administered subcutaneously and gradually increase the dose over subsequent injections up to around 100 mg per injection
[12] It is used in pediatric patients with intrinsic cobalamin metabolic diseases, vitamin B 12 -deficient patients with tobacco amblyopia due to cyanide poisoning, and patients with pernicious anemia who have optic neuropathy