reaction vitamin b12 injection – Manufacturer Vitamin B12 Injection site red
Description
The results shown in Figure 4a demonstrate a significant effect of the combination treatment of vitamins B1, B6, and B12 in regard to synapsing on healthy cells when compared to untreated cells (4-fold increase

Injecting into wet alcohol stings because the alcohol gets carried under the skin by the needle

In addition to the conditions mentioned above, several risk factors increase the likelihood of B12 deficiency: Smoking Alcohol abuse Endocrine-related autoimmune disorders (such as diabetes or thyroid disorders) Gastrointestinal disorders like Crohns disease History of gastric bypass surgery or other stomach-altering surgeries Optimize Your Health

Rotate sites systematically (abdomen, thighs, upper arms) to avoid lipohypertrophy
(PubMed) Saag KG, Choi H

A majority of the reported events occurred in patients who had experienced nausea, vomiting, diarrhea, or dehydration