does vitamin b12 injection cause weight gain How Quickly Shot Work? Does It Help to Lose Weight? Updated: Vitamin B12 Deficiency and
Description
According to research published in the National Library of Medicine, NIH, an insufficient intake of Vitamin B12 may cause cancer

It is a small synthetic molecule that blocks an enzyme called NNMT (nicotinamide N-methyltransferase)

This process, known as bioavailability, can be inefficient and unpredictable

Waiting for 3-4 more weeks to see a difference
Rhea, E

Oral and alternative forms For people who find injections difficult despite best technique, it is worth knowing that oral tirzepatide is in development and some formulations already exist