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In contrast, positional polar amine substitutions around the quinolinium core not only improved NNMT inhibition as noted previously,[17] but also enabled favorable passive and active transport across membranes (Tables 1 and 2)
Certain patients may feel very light nausea or stomach distress if taken on an empty stomach with any vitamin
doi: 10.1016/s0960-894x(99)00316-9

Starting doses on the lower end (300mcg) and progressing slowly makes sense
