vitamin b12 and vitamin c injection B12 Shots vs. IV Infusions:

Vitamin B12 combines with and globulin in the blood to be transported to various tissues throughout the body, most of which are distributed in the liver

And when you feel fatigued and weak, you may experience increased difficulty trying to maintain an active lifestyle and achieve your weight loss goals

GIP (Glucose-Dependent Insulinotropic Polypeptide) Receptors enhance insulin secretion and appear to improve fat metabolism

[5] A 2018 study found that in women with persistent symptoms of hypothyroidism despite levothyroxine therapy, two-thirds were able to eliminate their symptoms when they got their ferritin levels over 100 g/l

The dose might change based on how severe the deficiency is