how many injections for b12 deficiency Cobalamin (vitamin B12) and Folate Vitamin B12 Injection Dosage |

An intramuscular injection delivers the B12 directly into your muscle, allowing it to be absorbed quickly into your bloodstream

Ideal for those seeking a natural boost in their weight loss efforts and energy enhancement, our B12 + MIC injections offer a comprehensive solution to revitalize and rejuvenate your body from the inside out

Last reviewed: June 7, 2026 Last updated: June 7, 2026 Written by: Jay Hastings, CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations

Mouse-model results should not be assumed to predict human outcomes at any dose or by any route

B12 supplementation is very safe and side effects are very rare, but supplementation is often required for life

Step 1: Draw the Correct Dose Getting the right amount of B12 in the syringe is your first step