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At Zinzino, we are dedicated to safeguarding your privacy. We process your email address and/or phone number to notify you when your test result is ready, based on our legitimate interest to be able to ensure a smooth test procedure (GDPR, Article 6.1(f)). Thereafter the personal data is deleted.

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The Zinzino Vitamin D Test

Here comes the sun.

Our at-home dried blood test tells you whether the sun is doing its job or if you need help to improve your vital vitamin D levels.

Vitamin D is an essential nutrient to normalize the immune system

Vitamin D is an essential nutrient that helps to support normal immune function

It helps the body absorb calcium^3,4, maintain optimal bone and teeth health^5,7, muscle function⁶, and cell division⁹.

The sun is your best natural source of vitamin D

When the ultraviolet (UVB) rays hit your skin, processes inside the tissue start making vitamin D for the body to use. Just a short period of direct sunlight is enough to top up your levels. However, a number of factors can compromise sufficient sun exposure – latitude, lifestyle, age, sunscreen routine and skin type.

Other ways to top up your vitamin D levels

Your diet may or may not be enough when the sun is shining elsewhere. The vitamin D content in our daily food is generally too low to meet our requirements and most of us need to complement our diet with supplements during certain periods of the year.

From the pioneers of test-based personalized nutrition

Our well-documented, scientific approach to nutrition with individual, confidential blood spot tests that reveal your current status, monitor your improvement and help to customize your nutritional needs.
We have now analyzed 62 675 vitamin D tests.

Health made simple

Better health is a dynamic process. Make sure to monitor your status with a re-test every four months to adjust your health plan.

How it works

Secure testing & accurate analysis

Learn more

We make sense of your vitamin D status

More than 1 billion people worldwide are estimated to be vitamin D deficient and there’s a lot of controversy regarding how to determine and define the status of vitamin D. A level less than ‘optimal’ has often prompted sensational and fear-inducing responses. It is not our aim or intention to add to such hysteria. Our test will simply give you a better understanding of what your status is and what you can do to improve or maintain it.

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We are terribly sorry!

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Your sample contained too little blood

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Please, fill in the following information and we’ll provide you with a new BalanceTest.

Here comes the sun.

Vitamin D is an essential nutrient that helps to support normal immune function

The sun is your best natural source of vitamin D

Other ways to top up your vitamin D levels

From the pioneers of test-based personalized nutrition

Health made simple

How it works

Secure testing & accurate analysis

We make sense of your vitamin D status