PatchMD Vitamin D3/Calcium Topical Patch May Promote a Healthy Immune System May Reduce Risk of Bone Loss Osteoporosis May Aid in Calcium Absorption May Reduce Risk of Peripheral Artery Disease (PAD) Vitamin D3 Without the Danger of Ultraviolet Rays Safe, Easy and Convenient to Use Our bodies manufacture Vitamin D when the skin is exposed to UV radiation from sunlight, but the ability to do so decreases as we age. Vitamin D3 maintains healthy calcium and phosphorus levels in the body for strong bones; it increases muscle strength in older adults; and it also plays an active role in a healthy immune response.* How To Use Apply patch daily to an area with little or no hair, i.e., shoulder, back or hip. For best results, it is recommended to wear PatchMD patches for 8 hours. There is no additional benefit wearing the patch longer than 8 hours. Avoid using any lotion or cream in the same area as it will inhibit absorption. Patch is not waterproof. Patches May also be worn overnight while you sleep. Multiple patches can be worn at the same time. *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.