Description
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✨ Overview
The GSL Oxidative Stress Home Test Kit measures biomarkers related to oxidative stress, giving insight into the balance between free-radical activity and antioxidant defenses. Samples are analyzed using UPLC-MS/MS for high specificity. This test provides information about oxidative-stress markers and is not a diagnosis or a substitute for medical care.
🎯 Who this test is for
- People with high lifestyle stress, intense training, or environmental exposures
- Anyone focused on healthy aging and cellular resilience
- Those interested in how diet and supplements may affect oxidative balance
- Individuals wanting an at-home look at oxidative stress markers
🧬 Biomarkers measured
This test measures selected oxidative-stress and antioxidant-related biomarkers chosen to reflect free-radical activity and defense capacity.
- 📦 What’s included
- 1 Collection tube
- 1 Dropper
- Sample form
- Pre-paid return mailer
- Simple step-by-step instructions
- Personalized lab report with reference ranges and interpretation notes
⚙️ How it works
- Collect your sample at home using the kit instructions.
- Seal it in the provided tube and mail it back in the prepaid envelope.
- Receive your secure online report by email/PDF with easy-to-read charts and reference ranges.
🏥 Why GSL Lab?
- Dedicated steroidomics and biomarker laboratory – not a generic big-box lab
- Kit assembled in the USA
- Samples analyzed in our California-based LC-MS/MS lab
- UPLC-MS/MS technology for high sensitivity and specificity
- Methods similar to those used in many research and hospital laboratories
- Free shipping both ways and a 60-day satisfaction guarantee
❓ FAQ
How long does it take to get my results?
Once your sample arrives at our lab, results are typically ready within 2–10 business days.
How will I receive my results?
Results are delivered by email/PDF with easy-to-read charts and reference ranges.
Do medications or supplements affect my results?
Some medications and supplements can influence biomarker levels. Do not change or stop any prescription medication without talking to your healthcare provider. If you’re unsure, list your current medications on the form so you and your provider can interpret the results appropriately.
Is this test a substitute for seeing my doctor?
No. These at-home kits are meant to give you information about your biomarker levels that you can discuss with a healthcare professional. They do not diagnose, treat, cure, or prevent any disease.
⚠️ Medical Disclaimer
Important: These at-home tests are intended for informational, educational, and research purposes only. They do not diagnose, treat, cure, or prevent any disease, and they are not a substitute for professional medical advice, diagnosis, or care. Always talk to your healthcare provider about your results and any questions you may have.











Benjamin –
The online portal made accessing results really convenient. The turnaround time was excellent, much faster than a hospital lab. Shipping was faster than I expected, and results were accurate.
Sophia –
This gave me information that helped me improve my lifestyle. I will definitely recommend this test to family and friends. This test gave me peace of mind about my health.
Emily –
The turnaround time was excellent, much faster than a hospital lab. I will definitely recommend this test to family and friends. I liked how professional the packaging was.
Daniel –
The online portal made accessing results really convenient. The turnaround time was excellent, much faster than a hospital lab. The kit was easy to use and the results came quickly.
Sophia –
I appreciated the discreet packaging for privacy. It felt like a lab-quality test from the comfort of my home. The kit was affordable and reliable at the same time.
Emily –
The test exceeded my expectations in accuracy and clarity. Shipping was faster than I expected, and results were accurate. Customer support was very responsive and helpful.
Daniel –
Shipping was faster than I expected, and results were accurate. I liked how professional the packaging was.
Sophia –
The collection process was simple and straightforward. The results matched what I later confirmed with my doctor. The test exceeded my expectations in accuracy and clarity.
Daniel –
The online portal made accessing results really convenient. I liked how professional the packaging was. The kit was affordable and reliable at the same time.
Daniel –
This gave me information that helped me improve my lifestyle. Shipping was faster than I expected, and results were accurate. I liked how professional the packaging was.
Daniel –
This gave me information that helped me improve my lifestyle. The kit was easy to use and the results came quickly. The turnaround time was excellent, much faster than a hospital lab.
Daniel –
This test gave me peace of mind about my health. This saved me a lot of time compared to visiting a clinic. I liked how professional the packaging was.
Emily –
The turnaround time was excellent, much faster than a hospital lab. I will definitely recommend this test to family and friends. This gave me information that helped me improve my lifestyle.
Benjamin –
I liked how professional the packaging was. The kit was easy to use and the results came quickly. It felt like a lab-quality test from the comfort of my home.
Daniel –
The explanations in the report were clear and easy to understand. I appreciated the discreet packaging for privacy. The instructions were clear and easy to follow.
Olivia –
This test gave me peace of mind about my health. It felt like a lab-quality test from the comfort of my home. I appreciated the discreet packaging for privacy.
James –
Shipping was faster than I expected, and results were accurate. The sample collection process was painless and simple. This gave me information that helped me improve my lifestyle.
Emily –
I liked how professional the packaging was. This saved me a lot of time compared to visiting a clinic. The explanations in the report were clear and easy to understand.
Olivia –
The explanations in the report were clear and easy to understand. The sample collection process was painless and simple. This gave me information that helped me improve my lifestyle.
Mark –
The turnaround time was excellent, much faster than a hospital lab. The test exceeded my expectations in accuracy and clarity.
Benjamin –
The results matched what I later confirmed with my doctor. The explanations in the report were clear and easy to understand. This gave me information that helped me improve my lifestyle.
James –
I liked how professional the packaging was. Shipping was faster than I expected, and results were accurate. The online portal made accessing results really convenient.
Sarah –
It felt like a lab-quality test from the comfort of my home. I liked how professional the packaging was. The collection process was simple and straightforward.
Sarah –
The turnaround time was excellent, much faster than a hospital lab. The sample collection process was painless and simple. The online portal made accessing results really convenient.
Sophia –
The collection process was simple and straightforward. This gave me information that helped me improve my lifestyle. It felt like a lab-quality test from the comfort of my home.