Improper storage, and especially exposure to heat, can reduce potency or even cause the vitamin to break down over time, rendering it less useful in addressing deficiencies and supporting overall health
While rare, injection of contaminated medication can lead to local injection site infections or, in severe cases, systemic infections
Private insurers might have more flexibility, but only if the notes are clear and the medical necessity is solid
Whilst B12 plays an essential role in energy metabolism, red blood cell production, and nervous system function, there is no evidence that supplementation increases energy in individuals with normal B12 status
Is it a stimulant
Injections deliver B12 directly into the bloodstream, making them far more effective for those with deficiency