Calcium 500 mg with Vitamin D3 formula provides you with 500 mg of calcium carbonate plus 200 IU of vitamin D per tablet. If you compare the Windmill Oyster Shell Calcium 500 with Vitamin D formula to Os-cal 500 &D3® formula, you will find out that the two formulas are almost identical; however, Windmill does not use artificial colors, flavors, or preservatives.

Windmill’s promotional pricing will also give you the savings you are looking for.

For additional formula information, view the Supplement Facts panel.

All Windmill supplements are manufactured in the United States in an FDA-inspected facility whose GMPs (Good Manufacturing Practices) are independently verified by qualified certification organizations.

Windmill is a trusted name that has been providing America with quality supplements for over 40 years.

OS-CAL 500 & D is a registered trademeark of GlaxoSmithKline Consumer Health, L.P. Noon twp, PA

Gluten Free

Supplement Facts

Serving Size: 1 Tablet