How Neurogen’s Blood Test Works and Why It Matters


Author: Elisabeth Thijssen, PhD

Published On: August 5, 2025


Alzheimer’s has long been one of the most challenging conditions to catch early. Traditional methods like PET scans and spinal taps are invasive, expensive, and only available at certain facilities.

Now, blood biomarker testing is making it possible to spot early signs in a way that’s simpler, safer, and more accessible.

Neurogen’s at-home blood test takes this new science and makes it part of everyday life. Here’s how it works, and why it matters for anyone who wants to be proactive about their memory health.

What Is Blood Biomarker Testing?

Biomarkers are measurable signals in the body that show what’s happening inside. A wide range can be found in blood, from proteins that track inflammation to markers that reflect how organs and tissues are doing.

These signals give doctors and scientists clues about overall health and changes that may be happening quietly over time.

When it comes to brain health, some blood biomarkers stand out. For Alzheimer’s disease, tau proteins and amyloid beta are the most important. They can reveal changes in the brain years before memory loss becomes severe.

How Neurogen’s Blood Test Works

Our test is built to fit into real life. Instead of juggling multiple clinic visits or dealing with uncomfortable procedures, the process is simple, supportive, and designed to provide you with clear answers without the added stress. Here’s how it works:

While no two people experience Alzheimer’s in exactly the same way, these are some of the most common early warning signs that often get overlooked.

Step 1: At-Home Blood Sample Collection

When you order the test, you’ll receive a small kit and schedule an at-home collection. A trained professional comes to you, so you don’t have to leave your home or worry about doing it yourself.

The kit is straightforward, and if you ever have questions, Neurogen’s support team is just an email or phone call away.

This step makes the process comfortable and convenient. It’s invaluable for people with busy schedules, mobility issues, or you simply prefer the ease of care at home.

Step 2: Laboratory Analysis of Biomarkers

Once your sample arrives at the lab, it’s tested for p-tau217 — one of the strongest indicators of Alzheimer’s-related brain changes. This blood biomarker can show signs of change long before significant cognitive decline.

Neurogen’s lab team follows proven methods to make sure results are accurate and easy to understand. The goal is simple: give you dependable answers without the stress or expense of procedures like PET scans.

Step 3: Cognitive Testing and Virtual Neurology Follow-Up

Numbers only tell part of the story. That’s why your results are paired with a cognitive assessment to give a fuller picture of your memory health

If the combined results show signs of Alzheimer’s, you’ll meet virtually with a neurologist who explains the findings in plain, everyday language.

This step turns information into direction. Whether the best path forward is reassurance, regular check-ins, or more evaluation, you leave the conversation with confidence about what comes next.

Step 4: Continuing Care With Your Neurologist

Your support doesn’t end after one call. You’ll have ongoing access to your neurologist for follow-up appointments if needed. This continuing care means you’re never left on your own and that you’ll always have guidance and answers as your journey continues.

In the early stages, changes may be subtle. Someone might wear clothes that are inappropriate for the weather, mismanage their finances, or ignore safety precautions.

The Science Behind Neurogen’s Test

Studies have shown that tau detection is one of the most reliable ways to identify Alzheimer’s disease.

In fact, plasma p-tau217 has outperformed other markers in telling Alzheimer’s apart from other dementias, with accuracy that rivals PET scans. The difference is that blood biomarker testing is far less invasive and much more accessible.

Additionally, the Alzheimer’s Association now recommends blood-based biomarkers as part of specialist evaluations, showing just how much trust the medical community has in this approach.

Focusing on p-tau217 through Neurogen’s testing gives you reliable and accurate results backed by a neurologist’s input: Put simply: the answers you get aren’t just numbers, they’re reliable insights you can act on.

The Science Behind Neurogen’s Test

Studies have shown that tau detection is one of the most reliable ways to identify Alzheimer’s disease.

In fact, plasma p-tau217 has outperformed other markers in telling Alzheimer’s apart from other dementias, with accuracy that rivals PET scans. The difference is that blood biomarker testing is far less invasive and much more accessible.

Additionally, the Alzheimer’s Association now recommends blood-based biomarkers as part of specialist evaluations, showing just how much trust the medical community has in this approach.

Focusing on p-tau217 through Neurogen’s testing gives you reliable and accurate results backed by a neurologist’s input: Put simply: the answers you get aren’t just numbers, they’re reliable insights you can act on.

Why Neurogen’s Blood Test Matters

Neurogen’s blood test isn’t just about results on a page. It’s about making memory health care approachable and forward-looking. Here’s why it matters:

  • Accessibility: At-home collection allows anyone to get tested, regardless of their location.
  • Early intervention: Results can uncover changes years before significant symptoms appear, helping to shorten the time to care and open up more options.
  • Continuous progress: Neurogen is committed to enhancing support, refining testing practices, and improving the customer experience as scientific advancements occur.
  • Trusted accuracy: Clinical validation shows strong performance, with accuracy rates near 96% for detecting elevated p-tau217.

This approach provides not only answers but also peace of mind by connecting you with experts who guide you every step of the way.

So Much More Than an At-Home Blood Biomarker Test

Blood biomarker testing is reshaping how we approach Alzheimer’s — making detection earlier, easier, and more reliable than ever before. Becoming a part of the Neurogen ecosystem gives you more than results. You get answers, support, and a plan you can trust.


Order your Neurogen test today!

Take control of your memory health today.

Elisabeth Thijssen, PhD

Elisabeth Thijssen, PhD

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Dr. Elisabeth Thijssen leads Neurogen’s scientific vision, uniting over a decade of expertise in neurodegenerative research and biomarker innovation. Her groundbreaking work on Alzheimer’s blood testing has redefined what’s possible in early disease detection. Holding a Cum Laude PhD in the Neurochemistry of Alzheimer’s Disease, along with advanced degrees in Pharmaceutical and Biomedical Sciences, Dr. Thijssen’s leadership ensures Neurogen’s mission remains grounded in both scientific excellence and human purpose. With experience spanning consulting, biotech, and academic research, she has driven transformative R&D and strategic partnerships that translate science into real-world impact.