can i buy injectable b12 over the counter Vitamin B-12 3000 mcg Injection, 100 mL Vitamin B12 is important for growth Out of Stock - VITAMIN
Description
New red blood cells need vitamin B12 and folate (vitamin B9) to grow and develop

doi: 10.1056/NEJMoa0909809

It may sound unpleasant, but when done right, administering such an injection can be virtually painless, and will allow the absorption of vitamin B12 over a 24-hour period

No human dose is recommended by this wiki

For Genetic B12 Malabsorption Some genetic conditions cause the digestive system to be unable to break down the vitamin B12 in the body
