This effect is useful for both people with diabetes and those at risk for it, especially those who are overweight
Medical Research on B12 Injections Effects of Vitamin B12, Folate and Vitamin B6 Supplements in Elderly People With Normal Serum Vitamin Concentrations, Narath, Hans J., et al, The Lancet, July 8, 1995;346:85-89
While its mainly concentrated in animal foods, it can be found in some plant-based foods such as nutritional yeast, mushrooms, and algae
The stomach lining is normally protected by a mucosal layer that prevents the stomach from, essentially, digesting itself
In cases where the vitamin deficiency is too severe and oral supplements are ineffective, the primary care physician or other health professionals might prescribe a vitamin B12 shot to increase its levels rapidly
Protocols using doses below 0.5mg daily may require 1620 weeks to demonstrate observable improvement