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Vitamin D Receptor Gene Test: The Key to "Sunshine" Health

Living in Canada means battling the “winter blues” and long months of limited sunlight. But for many, simply taking extra supplements isn’t enough. The missing link often lies in your vitamin D receptor gene. At dnaPower, we help you look past blood levels to understand how your body actually receives and uses this critical nutrient.

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Are Your Cells "Listening" to Vitamin D?

You can flood your body with Vitamin D, but if your vitamin D receptors aren’t working efficiently, your cells won’t get the message.

Think of Vitamin D as a key and the receptor as the lock. If you have a vitamin D receptor mutation (such as the FokI, BsmI, or TaqI variants), the lock may be “jammed.” This creates a functional vitamin D receptor deficiency, where your body acts deficient even when your blood test numbers look normal.

This is a common frustration for Canadians who take high-dose supplements but still experience:

The Canadian Context: Why VDR Matters Here

In a country where UV exposure is minimal for 6 months of the year, efficient VDR function is non-negotiable.

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Immune Defense

Your VDR gene controls the expression of antimicrobial peptides. If this gene is sluggish, your defense against the flu season is compromised. Read more about key immune function genes.

Bone Health

VDR dictates how much calcium you absorb from your gut. A mutation here can increase the risk of osteoporosis, a major concern for aging Canadians.

Mood Regulation

Vitamin D receptors are abundant in the brain areas linked to depression. Genetic blockages here can worsen winter mood dips.

Fast Facts: The VDR Gene

Feature Details
Gene Name VDR (Vitamin D Receptor)
Primary Function Instructs cells to absorb Calcium & Phosphate; regulates immunity.
Sample Type Simple, non-invasive cheek swab.
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How to Increase Vitamin D Receptors Naturally

If your test reveals a mutation, you are not powerless. At dnaPower, we guide you on how to increase vitamin D receptor sensitivity through targeted lifestyle changes:

Real Results From Canadian Patients

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Unlock Your Genetic Potential

Stop guessing with your dosage. Understanding your vitamin D receptor profile allows you to tailor your intake, whether you need higher doses of D3, specific co-factors like K2, or lifestyle adjustments to boost receptor density.

If you’re still feeling low, read our deep dive on common causes of low Vitamin D.

Ready to beat the Canadian winter? Fill out the form below to order your test kit and optimize your health from the inside out.

CAD $499

(Complete 4-in-1 DNA Analysis)