PhysX Soft Chews are a healthy way to give dogs all the benefits of PhysX in the form of an enjoyable, great tasting treat. PhysX Soft Chews Small Bites are designed for dogs under 30 pounds. PhysX Soft Chews contain the proven safe and effective joint supplements glucosamine and methylsulfonylmethane (MSM) for maximum joint and bone health, together with the patented and revolutionary anti-inflammatory PhysX (proven to be completely COX-2 selective to prevent side effects associated with COX-1 inhibition) and other anti-oxidants and anti-inflammatories such as ascorbic acid, selenium and turmeric.