is oral replacement better than injectable b12 vitamin versus intramuscular vitamin B12 for vitamin B12 deficiency Vitamin B12 Injections Vs Oral
Description
While B complex vitamins are generally considered safe, high doses can cause side effects

Some compounded Lipo-C products may specify storage at room temperature or refrigerated

Naturally occurring vitamin B12 is mostly found in animal foods, including meat, poultry, seafood, eggs, and dairy products

An Epidemic of Misdiagnoses" by Sally Pacholok and JJ

Some research suggests that vitamin B12 may have specific benefits for endurance athletes, such as: Improved performance: Some studies have found that vitamin B12 supplements can improve exercise performance in athletes, particularly when taken in combination with other B-vitamins

Link for how to break an ampoule and load syringe
