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With no head-to-head study, comparing the two requires stitching together trials that differ in population, comparator, endpoint, and duration a chain with several weak links
Typically, the positive effects last from about a week up to a month, though this can vary based on how your body absorbs and utilizes the vitamin, as well as your overall health
67 Docherty KF, Jhund PS, Inzucchi SE, Kober L, Kosiborod MN, Martinez FA, et al
When dietary vitamin B 6 is restricted, metabolism shifts toward kynurenic acid production
Formulation and dosing are customized
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