vitamin b12 injection is iv or im B Therapy — ASAP IVs Intramuscular Injections | Enhance Wellness
Description
However, for older people or those already deficient in B12, higher dosages may be necessary because lack of intrinsic factor-mediated absorption requires absorption by passive diffusion from the gut

Cons Variation in quality There are hundreds of B12 supplements available now, and it can be difficult to know which works, or which is best for you

Your daily diet should include 1.3 milligrams of vitamin B-6

Hepatocyte-specific deletion of lysosomal acid lipase leads to cholesteryl ester but not triglyceride or retinyl ester accumulation