Glyco-Flex® EQ for horses is a nutritional supplement that is made from pure freeze-dried Perna canaliculus (Green-Lipped Mussel from New Zealand). It contains all major classes of glycosaminoglycans (GAGs) including Chondroitin -4- and -6- Sulfates. The Perna in Glyco-Flex® EQ is also rich in amino acids, naturally chelated minerals, numerous enzymes, vitamins and nucleic acids (RNA and DNA). One Full Scoop contains 4.3 grams Perna canaliculus Mussel.