3PACK PhyCox ONE Soft Chews (360 Soft Chews) + FREE JOINT TREATS 60 Soft Chews PhyCox-JS soft chews are a joint support formula to help reduce inflammation and discomfort due to normal daily activity. PhyCox-JS Soft Chews contain Phycocyanin, a naturally derived Cox-2 inhibitor and antioxidant. It is combined with glucosamine, MSN, minerals, essential fatty acids, amino acids and other antioxidants.