3 b12 injections a week How Often Can I Take Injections? B12 Shots Dosage for Adults:

But full correction of deficiency symptoms usually takes 4-8 weeks minimum

Study 3: Combination With Diet Independent work showed that NNMT inhibition plus a lean/low-fat diet accelerated weight and fat loss beyond diet alone, improved the lean-mass-to-body-weight ratio, and ameliorated obesity-linked liver pathologies

However, with the site tutorial and some reinforcing from YouTube, it was painless and very easy

Pregnant women must ensure that their pregnancy diet consists of foods high in vitamin B12 content

Toward a new recommended dietary allowance for vitamin C based on antioxidant and health effects in humans