




8-hydroxydeoxyguanosine
The 8-Hydroxydeoxyguanosine Test (8-OHdG Test) measures oxidative DNA damage easily and conveniently using a simple urine sample from home. It analyzes the biomarker 8-OHdG (8-hydroxy-2'-deoxyguanosine) – a scientifically recognized indicator of oxidative stress at the cellular level.
Oxidative stress can be triggered by chronic stress, environmental toxins, inflammation, or lifestyle factors. Over time, it may contribute to premature cellular aging and increase the risk of chronic diseases.
This test is particularly recommended for individuals experiencing persistent fatigue, stress-related health issues, or those seeking preventive health insights.
By detecting DNA damage early, the 8-OHdG Test helps you gain a clear picture of your oxidative stress levels and take targeted steps to protect your long-term health.
Sample report / Introduction
→ Important points for family and partner diagnostics
Added value for the whole family: Joint diagnostics reveals important connections, supports genuine prevention and helps everyone to better understand nutrition, stress and health – and above all, to more easily take concrete, helpful steps.
- Clear data per person: For each person tested, we need their name and date of birth so that the laboratory can clearly identify them.
- Individual email address: Each person needs a unique email address for secure digital access. If this is not possible, we will send the results as a PDF to a shared address.
- Clear labeling: Samples and forms must each be assigned to the correct person.
💚 Together we make people healthy.
→ Important: Follow the instructions correctly
Please read the instructions carefully. Correct preparation is crucial so that your sample – stool, urine, saliva or blood – can be analyzed cleanly and meaningfully.
Diagnostic time: Please be patient.
Our laboratory analyses are precise, in-depth, and comprehensive. Therefore, the evaluation typically takes 7–21 days after the sample arrives at the laboratory.
Good diagnostics take time – and that's exactly the quality you get from us.
Quick response
We will inform you immediately as soon as your results are available.
We will accompany you
We're happy to support you on your journey to better health and balance. 🌿💛
→ For possible reimbursement by your private insurance
Here's how the process works for a possible reimbursement by your private insurance:
- A short online consultation with one of our therapists: During this consultation, we will clarify your symptoms and create a suitable, brief medical history.
- Referral for the appropriate laboratory tests: After the consultation, you will receive a referral which you can submit to your private insurance company.
Many private insurance companies cover the costs in full or in part – some, however, do not cover them at all. Unfortunately, this is normal and depends entirely on your policy. We will guide you through the process as best we can.
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Why is this test, 8-hydroxydeoxyguanosine, useful?
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ORY Analysis: well-founded & trustworthy

8-hydroxydeoxyguanosine
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Perform precise and reliable diagnostic tests comfortably at home
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If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Publications
(1) Wang L. et al. Diagnostic accuracy of DNA-based SDC2 methylation test in colorectal cancer screening: a meta-analysis. BMC gastroenterol. 2022.
(2) Yue C. et al. Meta-Analyses on SDC2 Gene Methylation. Front Med (Lausanne). 2022.
(3) Boyu Q. et al. Real-world retrospective study in China. 2024.
(4) Zhao S et al. Real-World SDC2 Methylation Screening Study. Gastroenterology. 2024.
FAQs
Please read our FAQs page to find out more.
Is this test suitable for health screening even if I don't have any symptoms (yet)?
Can the test help me better understand my fatigue?
Why is this test particularly recommended for people under a lot of stress or pressure?
Why this test?
How does it work? & What's included?
ORX experts. Between uncertainty and clarity lies only a conversation.
At ORY, we help you understand your questions – and find out which diagnostics or support is right for you.
