Bone-Health System. Supports Bone Density. Provides Skeletal Nutrition. With Natural Sources of Vitamin K (MK-7) & Calcium (MCHA). Gluten-Free. BoneUp 3 Per Day offers many of the same nutrients of regular BoneUp but in a convenient, 3-capsule formula. BoneUp is comprehensive micronutrient formula that provides StimuCal MicroCrystalline HydroxyApatite (MCHA) and micronutrients to support bone health. StimuCal MCHA is a natural source of calcium shown to support bone mineral density better than calcium carbonate. StimuCal also provides bone proteins including type1 collagen. Vitamin D3 and K2 (as natural MK-7 from fermentation) work together to support calcium deposition into bones.