b12 injection size needle – Wellness at Century City Is It Okay To Use
Description
This decreases the stomachs capacity to only be able to hold 1 oz

Low B12 is more common than many people realise
Since this nutrient is kind of tricky to absorb, and because any excess is readily excreted in your urine, its both preferable and perfectly safe to take in higher supplemental doses

BMJ Open 4 (5), e004501