how often can i give myself a b12 injection Vitamin B12: Frequently Should Get It? Benefits of Vitamin B12 Shots

In the withdrawal trial, continuing preserved loss far better than switching to placebo, which regained about 14% over a year. The metabolic benefit fades in proportion to the weight regained, so a taper plus protein and resistance training beats a hard stop

5mg with 2mL = 2,500mcg/mL

Proper sterilization is key to preventing infections

I have lost a couple lbs, but it doesnt really feel easier than if I was just doing my diet and exercise alone

Given the many unknowns with high dose folic acid supplementation, particularly unmetabolized folic acid (as covered in my folate article), Im not able to draw any strong conclusions here