Description
✨ Overview
The GSL Vitamin B12 and Folate Home Test Kit measures blood levels of vitamin B12 and folate (B9), two nutrients involved in energy production, red blood cell formation, and nervous-system support. Samples are analyzed with LC-MS/MS. This test provides information about B-vitamin status and is not a diagnosis or a substitute for medical care.
🎯 Who this test is for
- Fatigue, low energy, or brain fog
- People following vegetarian, vegan, or low-animal-product diets
- Those taking B-complex or folate who want to track levels
- Anyone curious about their vitamin B12 and folate status
🧬 Biomarkers measured
This test measures vitamin B12 and folate (vitamin B9) levels in blood to reflect B-vitamin status.
📦 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.
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Emily –
I appreciated the discreet packaging for privacy. The turnaround time was excellent, much faster than a hospital lab. I will definitely recommend this test to family and friends.
Benjamin –
The online portal made accessing results really convenient. The collection process was simple and straightforward. The kit was easy to use and the results came quickly.
Sarah –
I will definitely recommend this test to family and friends. This saved me a lot of time compared to visiting a clinic. The instructions were clear and easy to follow.
Sophia –
Shipping was faster than I expected, and results were accurate. The online portal made accessing results really convenient. I appreciated the discreet packaging for privacy.
Mark –
This saved me a lot of time compared to visiting a clinic. The instructions were clear and easy to follow. I will definitely recommend this test to family and friends.
Sarah –
The collection process was simple and straightforward. Shipping was faster than I expected, and results were accurate. Customer support was very responsive and helpful.
Benjamin –
The sample collection process was painless and simple. The online portal made accessing results really convenient. The kit was easy to use and the results came quickly.
Sophia –
I liked how professional the packaging was. Customer support was very responsive and helpful. The results matched what I later confirmed with my doctor.
Sophia –
This gave me information that helped me improve my lifestyle. The online portal made accessing results really convenient. The sample collection process was painless and simple.
Olivia –
The report was very detailed and included charts. I appreciated the discreet packaging for privacy. I will definitely recommend this test to family and friends.
Olivia –
The online portal made accessing results really convenient. I appreciated the discreet packaging for privacy. The results matched what I later confirmed with my doctor.
Olivia –
The kit was affordable and reliable at the same time. The instructions were clear and easy to follow. The test exceeded my expectations in accuracy and clarity.
Olivia –
Shipping was faster than I expected, and results were accurate. I liked how professional the packaging was. It felt like a lab-quality test from the comfort of my home.
James –
This test gave me peace of mind about my health. The turnaround time was excellent, much faster than a hospital lab. The results matched what I later confirmed with my doctor.
Benjamin –
The sample collection process was painless and simple. The collection process was simple and straightforward. I liked how professional the packaging was.
Daniel –
The collection process was simple and straightforward. The instructions were clear and easy to follow. This gave me information that helped me improve my lifestyle.
Sarah –
The kit was affordable and reliable at the same time. The test exceeded my expectations in accuracy and clarity. I appreciated the discreet packaging for privacy.
Sophia –
The sample collection process was painless and simple. The kit was affordable and reliable at the same time. I liked how professional the packaging was.
Emily –
The turnaround time was excellent, much faster than a hospital lab. The results matched what I later confirmed with my doctor. I liked how professional the packaging was.
James –
I will definitely recommend this test to family and friends. I liked how professional the packaging was. The explanations in the report were clear and easy to understand.
Mark –
The kit was easy to use and the results came quickly. The online portal made accessing results really convenient. The turnaround time was excellent, much faster than a hospital lab.
Mark –
The instructions were clear and easy to follow. It felt like a lab-quality test from the comfort of my home. The turnaround time was excellent, much faster than a hospital lab.
Mark –
The instructions were clear and easy to follow. The kit was affordable and reliable at the same time. The test exceeded my expectations in accuracy and clarity.
Sophia –
I liked how professional the packaging was. The turnaround time was excellent, much faster than a hospital lab. The results matched what I later confirmed with my doctor.
Olivia –
The instructions were clear and easy to follow. The collection process was simple and straightforward. I liked how professional the packaging was.