NSF Certified for Sport
This is zinc in the picolinate form. That form is chosen for absorption. It is 30 mg per capsule. Thorne is a clinical-grade brand. It is stocked by over 100 professional sports teams. This Zinc Picolinate is NSF Certified for Sport. That is the strictest tier we track. Every batch is screened against 280+ banned substances. It is sold at Healf and at iHerb.
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