Shark cartilage powder is the best known effective calcium yield. Using the raw material from Bio-shark General Foods Company, that's rich in chondroitin sulfate (promote cartilage growth), collagen the AFF (anti-angiogenesis growth factor), protein, calcium and phosphorus, palatable carrier (promoting digestion and absorption), magnesium, zinc. BEST-Ca is both delicious and healthy. Your loving pet's mineral needs are fully met with it. Strong bones, well promoted tooth formation, good absorption and digestion of calcium and phosphorus, prevention of osteomalacia, hypoglycemia, prevention of lactation or pregnancy biches reproductive failure. It is suitable for normal daily supplement of calcium, phosphorus, magnesium, zinc for all dogs. Good help in the prevention and treatment of mineral deficiency.