Protect your fur baby's joints with the right pet vitamins. The Equilife Products ArthroFlex (Perna) K-9 Hip and Joint Supplement for Dogs is formulated with highly concentrated New Zealand Green Shell Mussel, a naturally-occurring Marine Glucosamine Complex and the richest source of several co-factors which promote joint repair (glycosaminoglycans, trace minerals and amino acids, especially proline). This pet supplement provides bioavailable ingredients with anti-inflammatory properties to stop the cycle of joint destruction. Your furry friend will thank you for these pet supplements! Comes in a 5 lb. container size.Note: This product may require up to 2 additional days for order processing prior to shipping