Check the listing for details. Joint Equine Mushroom Matrix - 450 g. Condition: New. Listed at 84.99 USD. Joint Equine Mushroom Matrix Joint Matrix Equine Supplement, by Mushroom Matrix, provides 100% organic, all natural sources of glucosamine for your performance horse from carefully harvested and prepared mushrooms. In addition, this whole food horse supplement provides effective, natural antioxidants which help prevent free radical damage. Unlike some supplements that are outsourced to who-knows-where, Joint Matrix is sourced and produced within a few miles of Mary's Tack and Feed. With no fillers or preservatives, this equine joint supplement offers you effective joint support along with the peace of mind that comes from knowing that your horse is getting pure, natural ingredients. Joint Matrix supports healthy bones and cartilage with its special blend of organic mushrooms and natural glucosamine. All Mushroom Matrix products deliver key vitamins, minerals, amino acids, and digestive aids in a whole food, vegan, gluten-free formulation. The 450 gram size supplies one horse for 45 days on a maintenance dose of one scoop. Equine Joint Matrix Ingredients: Certified 100% Organic Mushroom mycelial biomass cultured on organic oats: Pleurotus eryngii (King Trumpet), Cordyceps militaris, Antrodia camphorata, Agaricus blazei, Grifola frondosa (Maitake), Ganoderma lucidum (Reishi) and Hericiumerinaceus (Lion's Mane).