how often to have b12 injections get vitamin how long does a b12 injection take to work How Often Can I Take B12 Injections? Vitamin B12 Injections: Ideal Dosage
Description
It was proved that oral 1,000 mcg of B12 is only absorbed by 1.3% of the body, but the absorption rates of B12 shots are between 55% to 97%
PMC 4161975
Structure-function relationships
It is crucial to distinguish between medically indicated B12 replacement therapy and commercially marketed wellness injections, as they serve fundamentally different purposes and are subject to different regulatory oversight
[18] Systemic side effects may include headache, irritability, restlessness, depression, fatigue, or edema resulting from fluid retention
