b12 injections loading dose Had my first injection 😬 didn't go well I'm so embarrassed : r/B12_Deficiency Vitamin B12 Injection Dosage for

Healthcare providers consider factors such as the patient's body weight, other medications they may be taking, and overall health status when determining the appropriate dosage regimen

[DOI] [PMC free article] [PubMed] [Google Scholar] 330.Costford, S

There is also recent data which suggest that genetic alterations of the receptor by which B12 is transported into nerve tissue and the brain, may lead to a lower B12 uptake

Physiological study on association between nicotinamide N-methyltransferase gene polymorphisms and hyperlipidemia

It's readily available for cellular use and may be preferable for individuals with certain genetic variations or specific health conditions

The intrinsic factor then binds with B12, facilitating the uptake of B12 in the small intestines.[ref] Without intrinsic factor, you cant absorb B12 from animal proteins