Kirkland Signature Calcium 600 mg. with Vitamin D3, 500 Tablets

Features: Calcium Carbonate 600 mg. Vitamin D3 400 IU The USP Verified Mark on an a dietary supplement label indicates that the product: Contains ingredients listed on the label in the declared strength and amounts Does not contain harmful levels of specified contaminants, such as heavy metals and pesticides Will break down and dissolve within a specified amount of time so the dietary ingredients can be released and absorbed by the body Complies with the FDA Good Manufacturing Practices, using sanitary and well-controlled processes If it's UPS Verified, you can trust that what's on the label is what's in the bottle.