best injection site for b12 Vitamin Site: Administering B12 Shots Choosing the Right Needle and

Unlike many nutrients, B12 is produced exclusively by bacteria and obtained primarily through animal-based foods including meat, fish, eggs, and dairy products

Before taking, speak with your doctor if you are allergic to vitamin b12, have a genetic condition called optic atrophy, have blood in your urine, polycythemia, an ongoing infection, low iron or folate levels, are pregnant or plan to become pregnant, are breastfeeding or plan to breastfeed

(1) The authors suggested that both formulations appeared to produce a positive response regarding hair growth in the animals

Who Should Choose a B12 IV Infusion Over a Shot

That claim rests largely on a single, genuinely interesting laboratory study: Pyo et al