Arthrosamin strong capsules The vitamins K and D contained in the capsules help maintain normal bones. Hyaluronic acid is a natural component of synovial fluid and is also included in the capsules. Ingredients per 2 capsules: Glucosamine sulfate 1000 mg, chondroitin sulfate 800 mg (shark), gelatin (bovine), calcium phosphate from fossil coral 100 mg, vitamin C 80 mg, hyaluronic acid 50 mg, vitamin K 70 µg, vitamin D3 5 µg