Are you vitamin D deficient? Join the D*action project

Do You Know Your Vitamin D Level?Check Now

Find out with our home test kit.
Research has demonstrated many health benefits of higher vitamin D levels. What do scientists say is the target amount? 48 world-wide vitamin D researchers agree it is 40-60 ng/ml (100-150 nmol/L). Determine your level today.

Learn About the Many Benefits of Vitamin D

How it Works

Get results at home.
Provide a sample with our easy to use test kit from the comfort of your own home. Mail it back to us.

Your results are processed through a certified lab partner and available online within 7-10 days after receiving it back from you.

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Take Charge of Your Health While Making an Impact

After sending in your test kit and signing up to join the project, you’ll answer some basic health and lifestyle questions online that will contribute to your ability to see how your information fits with a much larger group, giving you feedback not only on your health but enabling you to see how you compare with others.

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Real people. Real stories.

People tell us how vitamin D has greatly improved the quality of their lives. Subscribe to our newsletter so we can share their life changing experiences with you.

Tell Us Your Story

Ready to get the information to help take charge of your health?

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