how much b12 can you inject daily Vitamin Injection Dosage for Adults: Guidelines B12 Injection Dose for Adults:

Dried blood spots for newborn screening were collected at 35 h of age and revealed slightly elevated concentrations of propionylcarnitine (8.9 mol/l

The 2.5mg starting dose requires 0.5ml or 50 units

Obtaining injections outside regulated NHS settings may involve inappropriate dosing, lack of monitoring, non-sterile technique, and unnecessary financial cost without clinical benefit

Oral supplementation of vitamin B-12 does not absorb very well overall and oral absorption decreases in almost everyone as we age

But, the body is limited in how much vitamin B12 it can absorb through the digestive system

Neither approach has proven superior