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Not for human use
WADA-tested athletes
Months 2-3 Full Effect Energy, mood, and mental clarity are all consistently better while your body gets stronger
How to Administer a B12 injection to Yourself There are two ways to self-inject vitamin B12: Subcutaneously, or just below the skin, and intramuscularly, which goes directly into the muscle, says Foxx
Broadly speaking, B12 injections give the body further resources to produce more red blood cells to carry larger amounts of oxygen throughout the body, meaning those who receive such treatments can benefit from increased energy and reduced feelings of fatigue
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