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Its also important for DNA, fatty acids, and amino acid metabolism
Among the 25 studies included in the qualitative synthesis (16 in the meta-analysis), 15 focused specifically on serum cobalamin changes (reported by baseline and post-treatment means and standard deviations in pg/mL) and 10 reported homocysteine outcomes (means and standard deviations in mmol/L)
Studies dating all the way back to the 1950s suggest that there may be a link between vitamin B12 and acne
Studies of Chronic Fatigue Syndrome confirm B12 injections dramatically improve energy and sleep quality
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