The Vitamin D Test measures the amount of this important nutrient in your blood. Research shows that people with higher blood levels of vitamin D live better for longer, with immune and cardiovascular systems that function better.
How It Works
Following the simple instructions to collect one drop of blood on the sample collection card.
Send your sample in the mail to our certified lab the same day you collect your sample.
Get the results of your Vitamin D levels, including personalized dose recommendations.
FREE USA/UK SHIPPING