possible reasons for needing b12 injections vs Pills: Richmond's Complete Guide B12 Shots for Weight Loss:

Regular strength training helps maintain lean muscle mass, boosts metabolism, and improves body composition

Int J Surg

Individualizing B12 Treatment: Creating a Personalized Protocol Creating a personalized vitamin B12 treatment plan is a detailed process

Injections provide near-immediate support to the systems that keep you focused, energized, and functioning at your best

Symptoms of vitamin B12 deficiency have been reported to include such nonspecific conditions as dandruff, nervousness, poor blood clotting, slower reflexes, sore tongue, tiredness, and menstrual problems

The skin of the affected area will show red patches with small bumps, which eventually turn into blisters