Science-Based Nutrition™ Broad Nutrient Spectrum for Bone Health MCHCal® Microcrystalline Hydroxapatite Calcium Dietary Supplement Non-GMO Gluten Free Soy Free Contains bovine-derived ingredients At Doctor's Best, our Calcium Bone Maker® Complex is the bedrock of a solid wellness journey. This specialized formula is designed to provide comprehensive support, fostering strength and vitality throughout the body to promote overall well-being. Helps support muscular, skeletal, and vascular health Optimized to ensure safe and effective calcium utilization Contains high absorption ingredients.