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These injections are a safe and effective way to boost vitamin B12 levels, and most patients experience minimal risk of interactions with other medications or supplements
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If a licensed Nexa provider determines you're not eligible, you receive a full refund before anything ships
Good absorption Provided a patient has good circulation, complete absorption often occurs using this method
For example, a study published in the Journal of Alternative and Complementary Medicine found that B12 supplements improved endurance and reduced fatigue in athletes
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