overdose of vitamin b12 injection B12: How much is too much? | Health News Feeling worse after B12 Injection:

The peptide is small enough (three amino acids plus a copper ion) to penetrate the stratum corneum, particularly when formulated with phospholipid-based delivery systems that enhance dermal absorption

If your body doesnt produce enough intrinsic factor, it can become B12 deficient

It is important however, to know what disease process may be contributing to a B12 deficiency and to follow the correct dosing protocol for oral or injectable B12 supplementation

What concentration of copper peptide should I start with

Its administered into the upper arm (deltoid muscle) by one of our qualified pharmacists or trained pharmacy technicians

Cartilage Biology Krishnan et al