Who Should Consider B12 Injections at Home
Treatment response depends on deficiency severity, route of administration, underlying cause, patient age, concurrent medical conditions, and medication interactions
Baik HW, Russell RM
reviewed the evidence as to whether any of the available forms of B12 are superior, and concluded that all forms can be converted to the active methyl- and adenosyl-B12 forms, and that there was not sufficient evidence to suggest that any form was superior in terms of bioavailability, biochemical effects or clinical efficacy
2004, Ed Masson, Barcelona Hvas AM, Juul S, Nexo E, Ellegaard J: Vitamin B-12 treatment has limited effect on health-related quality of life among individuals with elevated plasma methylmalonic acid: a randomized placebo-controlled study
The NIH Office of Dietary Supplements and the American Academy of Family Physicians identify the following groups as most vulnerable: Adults over 50 Age-related decline in stomach acid production reduces the ability to release B12 from food proteins