Vitamin D Test
Vitamin D Test
Vitamin D Test

Vitamin D Test

Regular price
$150.00
Regular price
$200.00
Sale price
$150.00
Unit price
per 
Availability
Sold out
Shipping calculated at checkout.

At-home collection kit. Meaningful insights. Personalized plan.

A low level of vitamin D is linked to various health risks. This at-home blood test will provide health insights by measuring your level of vitamin D. Results include a personalized health plan.

You should take this test if you

  • Do not get daily sun exposure or live in a northern latitude
  • Do not consume adequate vitamin D
  • Follow a strict vegan diet
  • Have darker-pigmented skin
  • Have issues with small intestine absorption or kidney function
  • Are an athlete
  • Are overweight or obese
  • Are elderly

Biomarkers Measured

Vitamin D  Blood Spot
Normal range for adults is 32.0 - 80.0 ng/mL

Vitamin D is a fat-soluble vitamin that we obtain from some foods or make in our bodies under the right conditions. Vitamin D level is important to bone health, heart health, immune function, mood, brain health, and metabolic health.


How it works


1  Delivered

After purchasing, all home-test materials are delivered to your door


2  Locate Barcode

Locate the barcode included with your kit and enter at thorne.com


3  Complete Collection

Complete your test collection and return with prepaid shipping


4  Reviewed

Your results are reviewed by an independent board-certified physician


5  Receive Results

You'll receive your results & personalized recommendations within 7-9 days

Potential Symptoms

Vitamin D Test 101

What the tests tell you


Biomarker values

Simple visualization of your biomarker results over time, plus detailed descriptions of each biomarker for an easy interpretation of your overall health.