Built For Strong Bones And Easy Movement. Ageing joints and growing bones both need the same steady support, just in different doses. Our standards, our quality control: we choose every ingredient and check every batch ourselves, so each bottle delivers calcium and phosphorus with Vitamin D3, magnesium, B vitamins and amino acids, for stronger bones, healthier cartilage and better mobility over time. Calcium and phosphorus for stronger bones and teeth. Vitamin D3 to help your pet absorb calcium. Amino acids and protein for muscle and cartilage support. Vitamin B12 for healthy nerves and energy. Made for both dogs and cats, chicken flavour, easy to give.