What is "pharmaceutical grade?" 1. Raw Materials Selection — Only the highest quality raw materials that meet Current Good Manufacturing Practices (cGMP) standards are selected for use in Blaine MagOx . 2. Pharmaceutical grade/cGMP manufacturing facilities — Blaine MagOx is manufactured in state-of-the-art facilities used also to manufacture prescription products. 3. Quality Control/Quality Assurance — Production and packaging of Blaine MagOx is precisely monitored in state-of-the-art quality control and quality assurance laboratories.