Why do you use GreenGrown Glucosamine instead of Glucosamine Sulfate?

GreenGrown®, a patented glucosamine HCI, is produced by a process of fermentation that uses ingredients derived from Non-GMO corn. The process of refinement is environmentally clean, in an audited facility, and Eurofins International certifies Non-GMO status. GreenGrown® is the only glucosamine source that can guarantee 100% vegetable origin by objective testing, using Isotopic Signature Carbon Tracing (ISCT)​, a method developed by ENI for glucosamine identity. Learn more here.