how quickly does a b12 injection take to work Fast Vitamin Shot Work? How Long Does A Vitamin

Which method wins here really comes down to your personality: if you are disciplined and dislike needles, pills may suit you

Unfortunately, that means you lose a significant amount of the nutrients in the pill before they can provide any benefits to your body

If you suspect B12 deficiency, blood testing can confirm your serum B12 level and guide an appropriate supplementation strategy in consultation with your healthcare provider.

Molecular Genetics and Metabolism , 2010

This ensures that the vitamins and nutrients are delivered to your body quickly and efficiently, so you can start feeling better as soon as possible