methyl b12 injection Should You Take Natural vs. Synthetic B12? Vitamin B12 Injection: Energy Boost
Description
Standard: Move to 5 mg once daily from day 3 onward

So much more energetic and my weight is dropping Working well, so far

Nutr Rev 2002;60:1424

This will take 10-15 minutes in total

The Efficacy of Oral Vitamin B12 Replacement for Nutritional Vitamin B12 Deficiency