Real lab tests from your own home.

Order our vitamin D screening kit, choose from additional tests to add, follow the simple instructions, mail it back to us. You will receive your D level 7-10 days after receipt of the completed test and online questionnaire.

Start Here

Start now with four simple steps.


Your first test will arrive in the mail via USPS. Follow the instructions and mail it back.

Sign Up

Sign up and complete our online questionnaire to contribute to our international vitamin D study.

Get Results

You’ll be notified once your test results are available online for viewing.

Take Charge

Learn how your current vitamin D level impacts your health and how to raise your level into the recommended 40-60 ng/ml range (100-150nmol/L).

See how to get started.

What’s in your vitamin D screening kit?

Your privacy matters.

We follow all HIPAA laws. Your personal data will never be shared without your explicit consent.

Learn more about how your data is used.

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

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