Nature's Way Calcium & Vitamin D3 Bone Health Liquid Supplement, Citrus Flavored, 16 fl oz. This fast absorbing liquid helps you maintain strong bones.* With calcium, magnesium, and vitamin D3. Includes 1,000 mg calcium per serving. Adequate calcium and vitamin D througout life, as part of a well-balanced diet, may reduce the risk of osteoporosis. The 100% citrate formula easily absorbs with or without food. *This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.