Continue Reading Injecting B12 into fat results in slower absorption, which may mean less B12 is wasted
If your face swells immediately after your injections, asymmetry is normal
[1] [2] When administered correctly, the medication is delivered into the subcutaneous tissuethe layer of fat beneath the skin
For a deeper understanding, you can explore resources like the National Institutes of Health's information on B Vitamins: Functions and Uses in Medicine
Reference: Small molecule inhibitor of nicotinamide N-methyltransferase shows anti-proliferative activity in HeLa cells (2021)
On the other hand, a vitamin B12 deficiency appears to cause a loss of appetite in some people, leading to weight loss rather than weight gain ( That said, the current evidence is too weak to suggest that a vitamin B12 deficiency has any strong or specific impact on weight be it weight gain or loss