Vitamin D Test - Zinzino

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VitaminD Test is a confidential, laboratory-analyzed dried blood spot test that reveals your current vitamin D status and helps tailor your nutritional needs. It is quick and simple to take, and your results are presented in clear, easy-to-understand graphics. Taking this test gives you valuable insights into your vitamin D levels, along with customized recommendations on how to maintain or improve them. It is recommended to take the test every 120 days to monitor your status and adjust intake and lifestyle according to seasonal variations.*

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.

Not available in New York.

Key features

Measures vitamin D status
Quick and easy
In-depth knowledge
Track your progress
Anonymous lab results

Advanced self-test method
This test uses a Dried Blood Spot (DBS) technique, proven to be as accurate as a venous blood sample for vitamin D analysis. You need only 1–2 drops of blood from a fingertip placed on Whatman® filter paper. The sampling takes less than one minute.

Independent laboratory analysis
Your sample is analyzed by VITAS Analytical Services in Norway, an independent laboratory. Results are anonymous and influenced by sun exposure, diet, location, and supplements. Recommended testing interval: every 120 days.

What is measured
The test measures 25-hydroxyvitamin D (25(OH)D), the gold standard for vitamin D assessment. It reflects levels from diet, supplements, and skin synthesis and determines if your vitamin D level is optimal, too low, or too high. Results may be displayed in nmol/L or ng/mL.

How it works

Step 1: Prick your finger and apply 1–2 drops of blood to the filter card.
Step 2: Activate your test online using your personal ID (anonymous).
Step 3: Begin your journey to maintaining healthy vitamin D levels.
Step 4: Your blood sample is analyzed by VITAS (25+ years expertise).
Step 5: Receive results in 10–20 days with visual charts.
Step 6: Re-test every 4 months to monitor and maintain optimal levels.

Certified test kit

The Zinzino Dried Blood Spot Test complies with European regulation 98/79/EB for in-vitro diagnostic devices and carries the CE mark.

Full usage instructions (unmodified text)

Wash hands with warm water and dry.
Take out the sample card, tear off and keep the SAVE section and note your test ID.
Stimulate blood flow by shaking or circling your arm.
Use the alcohol wipe and single-use lancet to prick the fingertip.
Do not touch the filter paper.
Let droplets fall naturally into each circle; if needed add one more drop.
Dry card flat for 10 minutes.
Insert card into paper envelope, then into the metal pouch (do not remove desiccant).
Place into return envelope with correct postage.
Register test at www.zinzinotest.com and access results via your anonymous test ID.