where is the best place to self inject b12 How in your arm Best Vitamin B12 Injection Sites:

Studies examining safety and tolerability in rodents have generally not reported concerning toxicity signals at doses producing metabolic benefits, though comprehensive toxicology studies and long-term safety data are limited

About vitamin B12 Vitamin B12 is a nutrient that promotes the health of your nerves and blood cells, making it an essential part of any healthy diet

Having a condition that impacts nutrient absorption like celiac disease or Crohns disease

A 0.5 mL (50 unit) insulin syringe has finer gradation marks, making doses below 25 units easier to measure

Cobalamin-dependent methionine synthase

[125] Storage and excretion [edit] How fast B 12 levels change depends on the balance between how much B 12 is obtained from the diet, how much is secreted and how much is absorbed