PhyCox Soft Chews, 10 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.