B12 shots have even become popular in people without the vitamin deficiency. In fact, most local naturopaths or health and wellness clinics offer them on a walk-in basis with no prescription. Advocates for vitamin B12 injections say the shots can:
- Increase energy levels and combat fatigue
- Speed up metabolism
- Help improve sleep patterns
- Increase concentration
- Improve mood
- Boost the immune system
- Help with weight loss
- Possibly help with hair growth or stop hair loss