do you keep b12 injections in the fridge SHOT. TO OR NOT TO FRID do you have to keep

If an individual has low vitamin B12 levels because of a medical issue, a specialist might suggest oral supplementation or infusions of the nutrient

The injection itself causes microscopic bleeding into surrounding tissue, and your body gradually reabsorbs this blood over 1-3 weeks, creating the characteristic purple-to-yellow color progression

Curr Neurol Neurosci Rep 22:657674 Djaldetti R, Yust-Katz S, Kolianov V, Melamed E, Dabby R (2007) The effect of duloxetine on primary pain symptoms in Parkinson disease

The caveats dont change: not FDA-approved, evidence still animal-only

It can affect more than one system in the body, which is why the symptoms and side effects are so wide-ranging