b12 vitamin injection compared to pill Shot Vs B12 Shot vs. B12 Pills:

If you experience side effects from B12 treatment, report them through the MHRA Yellow Card Scheme

The Mayo Clinic shares that those most at risk of low levels include (5): people who dont consume enough vitamin B12 in their diet people diagnosed with pernicious anemia people whove had gastric surgeries people with intestinal issues, such as celiac or Crohns disease People following a vegetarian diet are especially at risk of deficiency

Subsequently, Hong et al

Systemic Discomfort Alcohol inhibits gluconeogenesis, which can lead to hypoglycemia (low blood sugar)

It supports energy metabolism and normal physiological function, which may help address fatigue related to deficiency, but it is not a weight loss treatment on its own.