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Deficiencies of vitamin B12 are fairly common but it is difficult to know if you are deficient
The Basics: Why Vitamin B12 Matters Vitamin B12 (cobalamin) is more than an "energy vitamin." Your body relies on it for several core functions, and a true deficiency can cause real symptoms
These cells deliver essential oxygen to working muscles during exercise, delaying fatigue and enabling longer training sessions or competitive performances
The IV is a longer reset
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