Animal Health Solutions - Pro-Thrive Senior, Enhances Overall Health Of Joints And Digestion For Older Dogs Improved Overall Health: Prothrive Senior Is A Blend Of Encapsulated Probiotics And Digestive Enzymes To Assist Older Dogs Overall Health. Relieves Joint Pain: Glucosamine, Hyaluronic Acid, Msm And Yucca Schidigera To Help With Joint Health And To Reduce Swelling And Pain Due To Osteoarthritis. Antioxidant Boost: Kelp, Vitamin E And Vitamin C Are Also Added To Help With Micronutrient Requirements And Antioxidant Assistance. Enzymes: The Digestive Enzymes Will Help With Food Absorption And Can Help With Some Allergies Issues.