(Halstrum) Is joint pain holding you back? LubriSyn HU is an oral joint support supplement made of hyaluronic acid (HA). Naturally found in the synovial fluid cushioning our joints, this unique, high-molecular weight formula of HA can help reduce the friction and inflammation that leads to painful arthritic conditions. A 2 tsp. serving of LubriSyn HU delivers 50 mg hyaluronic acid. Gel. New 6 oz / 6-pack size. Each 6 oz bottle provides a 2 week supply. No longer contains Sucralose.