does b12 injection need refrigerated the to be or room temperature? vitamin b12 injection storage temperature

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Freezing can degrade the formulation so do not freeze it

Food intake and body weight were measured twice weekly

Symptoms of a severe allergic reaction include difficulty breathing, swelling of the face or throat, rapid heartbeat, hives, and a sudden drop in blood pressure

And if your B12 is already solidly in the optimal range, adding more on top of that does very little