difference between b12 injections and tablets What Are Injections? Are They Safe? Oral B12 vs. B12 Injections:

[91] Since only bacteria and some archea possess the genes and enzymes necessary to synthesize vitamin B 12 , plant and algae sources all obtain the vitamin secondarily from symbiosis with various species of bacteria, [5] or in the case of fermented plant foods, from bacterial fermentation

Anemia has three main causes: blood loss, lack of red blood cell production, and high rates of red blood cell destruction

Since B12 contains cobalt, people with known sensitivities should not receive injections

Research demonstrates reduced adipocyte lipid accumulation and increased basal metabolic rate without feeding-behavior changes

Refer to Table 6: Treatment of folate deficiency for supplementation routes, dosage and duration