can i inject b12 into my thigh How to self-inject intramuscular vitamin - Overview Injecting B12 into fat: 4

This makes it especially important for individuals following vegetarian or vegan diets to ensure adequate vitamin C intake, as they may have a higher risk of iron deficiency

European Food Safety Authority

(jofem.org) But it is not in the same efficacy universe as GLP-1/GIP medications for weight loss, and it should not be positioned that way

Vitamin B12, also known as cobalamin, is a water-soluble vitamin critical to several body functions, such as energy production, nerve function, and red blood cell formation

The scale-up of small-molecule manufacturing is also fundamentally more straightforward than peptide scale-up