THESE TABLETS HAVE BEEN SPECIALLY FORMULATED WITH THE HELP OF EXPERTS. WITH A UNIQUE COMBINATION OF INGREDIENTS; GLUCOSAMINE SULPHATE VITAMINS C AND E THIS MAKES AN IDEAL SUPPLEMENT FOR DOGS HELPING TO ENSURE THEY RECEIVE THE OPTIMUM INTAKE OF THESE IMPORTANT NUTRIENTS WHATEVER THEIR AGE.GLUCOSAMINE - WE USE ONLY THE PUREST GLUCOSAMINE SULPHATE PRODUCED TO THE SAME STRICT GMP STANDARDS AS OUR NORMAL GLUCOSAMINE RANGE. VITAMIN E - THIS WELL KNOWN VITAMIN CONTRIBUTES TO THE PROTECTION OF THE BODY'S CELLS FROM OXIDATIVE STRESS CAUSED BY REACTIVE COMPOUNDS CALLED 'FREE RADICALS'. AND WE'VE ADDED A REASONABLE LEVEL AT JUST OVER 50% RDA. VITAMIN C - A GENTLE NON ACIDIC FORM OF VITAMIN C AS CALCIUM ASCORBATE THAT IS KIND TO YOUR PET'S TEETH AND GENTLE ON THEIR TUMMY. EACH TABLET CONTAINS OVER 60% RDA. EACH TABLET CAN BE ADDED WHOLE CRUMBLED OVER THEIR FOOD OR EVEN GIVEN TO THEM AS A TREAT!