best syringe for b12 injection Dr. prescribed injections. Pharmacy only gave me vials. Where do you get your needles and syringes? What size?? Where do I inject? : r/B12_Deficiency b12 injection needles Choosing the

We look at who should take B12 injections, how quickly your body starts using them, and how long the effects last

Vitamin C can make your urine more acidic

Research suggests methylcobalamin stays in the body longer while cyanocobalamin may be more easily absorbed, but other studies have found little difference in the two in absorption and retention

Methylcobalamin is one of the biologically active forms of B12

In addition, if you're one of the millions of Americans taking proton pump inhibitors (PPIs) that suppress stomach acid for conditions like acid reflux, you're going to be prone to vitamin B12 deficiency

This stops the absorption of B12 as part of your immune system's response