difference between b12 injection and tablets 💉 Injections vs 💊 – What’s the Difference?, It’s not just about preference… it’s all about something called intrinsic factor 🧬, If your body doesn’t produce enough intrinsic factor, you Vitamin B12 Injections vs. Supplements:
Description
However a safe dosage of vitamin B12 is 1000mcg per day of the methylcobalamin form

Frequency: Follow the prescribed regimen which may start with frequent administrations (e.g., daily or weekly) before transitioning to a maintenance schedule (e.g., monthly)

To put this simply, it wears off - it does not last

[8] Similarly, patients with gout or hyperuricemia should avoid high niacin intake, as niacin (even in nicotinamide form) can raise uric acid levels and potentially trigger gout flares

It needs to be reconstituted prior to use