subcutaneous administration of vitamin b12 injections at Home - Safety Guide for Self-Administration Optimal B12 Injection Sites for
Description
The nausea/vomiting lasted only one day but he still has episodes of dizziness throughout the day

This is because age can affect how well the body absorbs and uses B12

All Ive heard is Covid arm or rash at the injection site only

Surgeries Some stomach or intestine-related surgeries can also reduce the bodys ability to absorb vitamin B12 effectively

It helps treat fine lines, acne, acne scars, sun damage, and hyperpigmentation
LUMHS/REC/291), and conducted in accordance with the principles of Good Clinical Practice (GCP) and the Declaration of Helsinki
