can you give vitamin b12 injection subcutaneously Injections at Home - Safety Guide for Self-Administration Choosing the Right Needle and

MIC B12 Shot Benefits Research demonstrates that MIC B12 injections offer therapeutic benefits when administered under proper medical supervision

Otherwise it doesn't make sense at all needing frequent injections

For Laboratory Research Use Only (RUO)

[91] Since only bacteria and some archea possess the genes and enzymes necessary to synthesize vitamin B 12 , plant and algae sources all obtain the vitamin secondarily from symbiosis with various species of bacteria, [5] or in the case of fermented plant foods, from bacterial fermentation

Adults in metro Atlanta with low B12, limited intake from vegan or vegetarian diets, absorption issues, or those taking metformin or acid reducers may benefit

Transdermal (TD) Description : Drugs are delivered through the skin via patches