Calcium Citrate is a highly absorbable form of Calcium, an important mineral for supporting bone health. Calcium also works to support muscle and nerve function. Vitamin D3 is added to assist with Calcium absorption and as support for healthy immune function. No added Sugar, Yeast, Preservatives, Artificial Flavors or Colors. Gluten Free. 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. Citracal is a registered trademark of Bayer Health Care, LLC, Morristown, NJ 07960.