b12 injected into meat Everything you need to know about Vitamin B12 Benefits: Fight Fatigue,
Description
Frequently Asked Questions People with low B12 levels due to poor absorption, certain medical conditions, or strict vegetarian/vegan diets may need B12 injections to restore healthy levels
primary models for obesity and mechanistic studies Rats Obese Zucker rats

doi:10.2337/dc11-1582

Vitamin B 12 Testing in People With Suspected Vitamin B 12 Deficiency
If you drink alcohol, you will be using more vitamin B12 than those who abstain

Use a needle and syringe only once and then place them in a puncture-proof "sharps" container
