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If a person has low Vitamin B12 levels due to a health condition, a doctor may prescribe Vitamin B12 injections or oral supplements of the vitamin
Its important to note that for individuals who already have normal B12 levels, scientific evidence does not support the idea that B12 injections will further increase energy or provide a significant energy boost. Your body will simply eliminate any excess B12 it doesnt need
4 Journal of Human Kinetics
Adaptation Window Your body needs a certain timeframe to acclimatize and harness the increased B12 vitamin levels introduced
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