Essentials Nutrition for Kids! Great Taste Healthy Bone Structure and Growth Dietary Supplement Gluten Free Casein Free Alcohol FreeChildLife's Liquid Calcium with Magnesium provides these two essential minerals combined with Vitamin D and Zinc in a balanced, absorbable, great tasting formula. These are the primary nutrients required for supporting your child's healthy bone growth and development.Health Tip: As your child grows and develops, Calcium is the most abundant mineral found in their body, (comprising approx. 2% of total body weight), with 99% of the total calcium being found in the bones and teeth. For optimum absorption and utilization studies suggest Calcium should be combined with Magnesium, Vitamin D, and Zinc. These nutrients help support and establish the very foundation for your child's structural growth and integrity.ChildLife uses only the highest quality ingredients.