b12 injections self administered Ivy Grove Surgery : Self-administration of injection B12 Shots at Home: NHS

A vitamin B12 deficiency can not only diminish your ability to lose weight, but it can lead to many serious health issues, some of which are irreversible, so if you are having or have had problems with your gut, are older in age, or follow a specialized or restrictive weight loss diet, dont hesitate to get tested.

However, some patients experience side effects such as fatigue, nausea, and mild deficiencies in key nutrients due to reduced food intake

This product is not labeled, promoted, or approved for use in humans or animals, and is not a dietary supplement, medication, or cosmetic

2 In comparison with other B vitamins, B 12 is not synthesized by animals, fungi, or plants