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Notably, within the first two hours after infusion, no discernible increases in plasma or urine levels of NAD+ or its metabolites were seen, indicating quick and thorough tissue absorption and/or metabolism (at least for the first 2 hours) (1)
Fidder A, Moes GWH, Scheffer AG, van der Schans GP, Baan RA, de Jong LPA, et al
Cell signaling and receptors with resorcinols and flavonoids: redox, reactive oxygen species, and physiological effects
They should be able to tell you exactly what is in the bag and where it came from
Calcium contributes to: Normal muscle contraction Bone structure Nerve signaling Cellular communication Normal blood clotting The calcium in this product comes partly from calcium carbonate used in the tablet formulation