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Zinc Glycinate – Pharmacokinetic (pK) Study



Bioavailability Study

Zinc is an essential mineral that is involved in many aspects of cellular metabolism.* Zinc is a key cofactor in hundreds of enzymatic reactions and plays a critical role in protein synthesis, the maintenance of cellular structures, and cell signaling.* Because of these varied functions, zinc is necessary for the maintenance of skeletal, neurological, reproductive, and immune system health.*


The average concentration of serum zinc increased gradually over the course of the study, beginning with the 2-hour measurement, which was 43% above the baseline level. Four hours after supplementation, the average concentration of zinc reached a peak 57% above the baseline concentration. The study confirms the exceptional bioavailability of dietary supplement Zinc Glycinate from NOW®.

Figure 1: Effect of a single oral administration of 30 mg elemental zinc (as Zinc Glycinate, NOW® # 1554) on average total serum zinc concentration in healthy adult volunteers.

*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.

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