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Light exposure also accelerates degradation, so store vials in a dark location or wrap them in aluminum foil
The lyophilized powder in your vial is fragile
When deficient, you may feel chronically fatigued, no matter how much rest you get
Knowing the difference between bacteriostatic and sterile water helps you choose the right one for your research protocol
B12 supports normal energy metabolism and red blood cell production, so correcting a genuine deficiency can help you feel and perform like yourself again, but shots are not a proven performance enhancer for people who are not deficient
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