People respond to medication differently, so there is no set time for when you can expect to see results
Still, dosing and frequency should be guided by lab work, not guesswork
The role vitamin B12 plays in the production of myelin, the substance that forms the protective sheath around the nerve fibers, might be the most significant of vitamin B12s many health advantages from the perspective of nerve health
That matters if you have trouble absorbing B12 from food or pills, which is more common than most people realize
(3) Heffernan MA, Thorburn AW, Fam B, Summers R, Conway-Campbell B, Waters MJ, Ng FM
Most people begin to feel some improvement within a few days, though full benefits can take longer