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Mason Natural Natural Oyster Shell Calcium 500 with D3 400, Tablets 250 ea

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Dietary Supplement

Builds Strong Bones & Teeth*

  • May Help Prevent Osteoporosis**
  • With Vitamin D3 for Optimum Absorption
  • Compare to OS-Cal® 500+D
  • Guaranteed 100% Potency

This product has been manufactured and packaged in strict conformance with industry and government standards.

This Product in compliance with California proposition 65 for safe lead content.

USP dissolution tests guarantee that this calcium carbonate product will completely dissolve in 30 minutes.

Guaranteed No Added:  Sugar, sodium, yeast, wheat, dairy, gluten, egg, fragrance, artificial colors or flavors and preservatives.


Made in USA

**Regular exercise and a healthy diet with enough calcium helps teen, young adult and post menopausal women maintain good bone health and may reduce their high risk of osteoporosis later in life.  Vitamin D improves calcium absorption.

*These statements have not been evaluated by the Food and Drug Administration.  This product is not intended to diagnose, treat, cure, or prevent any disease.


Keep out of the reach of children.  Contains soy.

©Mason Vitamins, Inc.

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