where to put subcutaneous b12 injections at Home - Safety Guide for Self-Administration Choosing the Right Needle and
Description
She is not a scientist and thus could not answer any of our technical questions

Its possible to find vitamin B12 and a few lipotropic amino acids in the vitamin aisle of your local pharmacy, but that might not mean those supplements will be as effective as lipotropic injections

The How-To link does not take the place of professional healthcare tutelage

"Vitamin B12 deficiency can be sneaky, harmful"

I am a healthy 29yo female and I went in for the first Moderna dose