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.Li, H., Toh, P
synthesized by certain bacteria Although the intestinal flora of humans is able to synthesize vitamin B 12 , humans are not able to absorb bacteria-generated vitamin B 12 since the location of synthesis (the colon) is too distal from the location of absorption (the small intestine)
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(3)A multicenter design to accelerate enrollment and enhance statistical power for detecting subgroup effects and gene-environment interactions
Vitamin injections boost energy by delivering essential nutrients directly into the bloodstream, combatting fatigue
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