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If you're deficient in B12, injections can increase your energy and well-being (which may lead to weight loss)
Maintenance doses are given less often than initial doses
Gut Microbes 7 (2), 146153
It is also needed for healthy red blood cell formation and for the development and function of the central nervous system (brain, spinal cord, and nerves)
Observations from research literature are presented for experimental context only and do not imply approved human or animal use
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