can vitamin b12 cause harm if injected to subcutaneous fat What Happens You Inject Into Fat? · SQ vs. IM · PA Relief Best Vitamin B12 Injection Site:
Description
PMID: 29543316 5 Bioavailability and daily requirement of vitamin B12 in adult humans: an observational study of its colonic absorption and daily excretion as measured by [13C]-cyanocobalamin kinetics

There are lots of medical grade skin care brands out there and while they are all much of a muchness, some are better for some people than others, depending on the skin issues youre trying to address
PS if youre scared of giving the shots to yourself, me too

Lacking in vitamin B12 can cause tiredness, muscle weakness, problems with memory and mood changes

This peptide has been studied for its potential role in supporting tissue repair and recovery processes throughout the body