If youre unsure, discuss more with your provider
If you are lean with less subcutaneous tissue on the thigh, use a 45-degree angle to avoid reaching the muscle layer
This is not a suggestion
In mouse models of highfat dietinduced liver steatosis, it significantly inhibits hepatic NNMT activity, reduces NAM methylation, increases NAD+ and SAM levels, enhances mitochondrial fatty acid oxidation, reduces hepatic triglyceride and lipid accumulation, lowers lipotoxicity markers (e.g., malondialdehyde, transaminases), improves hepatocellular injury, and reverses steatosis
You may also avoid socializing or hobbies
Obviously this ignores all those who require life long treatment due to other causes of B12 deficiency (of which there are many), thereby potentially causing great harm to the vast majority of their B12 deficient patients