Xymogen OSAplex supports bone collagen formation, bone density, bod calcium binding sites, bone strength and maintenance, and provides a combination of micronutrients. Recommended Use: Consume the contents of 1 packet with a meal, 1 to 2 times daily, or as directed by a healthcare professional. Xymogen OSAplex 1 packet contains: 2 MICROCRYSTALLINE HYDROXYAPATITE CONCENTRATE WITH VITAMIN D3 CAPSULES PER SERVING Vitamin D3 (cholecalciferol) 50 mcg (2000 IU) Calcium (as MCHC) 550 mg Phosphorus (as MCHC) 198 mg MCHC 2.2 g Microcrystalline Hydroxyapatite (as MCHC) 1.32 g 1 CHOLINE-STABILIZED ORTHOSILICIC ACID CAPSULE PER SERVING Choline (as choline-stabilized orthosilicic acid) 60 mg Silicon (as choline-stabilized orthosilicic acid) 3 mg Other Ingredients for Microcrystalline Hydroxyapatite Concentrate with vitamin D3 capsule: capsule (hypromellose and water), vegetable stearic acid, vegetable magnesium stearate, medium-chain triglyceride oil, and silica. Other Ingredients for Choline-stabilized orthosilicic acid capsule: Microcrystalline cellulose, capsule (hypromellose and water), and purified water.