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Symptoms of a B12 deficiency include: Excessive fatigue Nerve problems (pain or abnormal sensations like numbness or tingling) Glossitis (tongue inflammation) Low numbers of white blood cells and red blood cells Vitamin B12 deficiency can be diagnosed with a blood test
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
The compound has been studied for extended periods in research settings without reported toxicity concerns
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