Glucose basics

Biohacking explained: Why glucose plays a role in optimizing your health
Written by Kate Daugherty, MS, CNS
Published: Oct. 14, 2025
2 min read
The content in this article should not be taken as medical advice. Please consult with your healthcare provider regarding your individual health needs.
Chances are, you’ve come across the buzzword “biohacking”—a concept that’s quickly gaining traction in the wellness world as more people look for cutting-edge ways to optimize their health. But for a good reason. At its core, biohacking means using tools, strategies, and data to influence how your body works so you can feel better, perform at your best, and maybe even extend your lifespan. Think of it as a DIY approach to optimizing your biology.
What exactly is biohacking?
At the most basic level, a biohacking regimen can look like:
- Following a specific eating style like intermittent fasting or keto
- Wearing devices like an Oura Ring, Apple Watch, or Stelo
- Taking supplements
- Using red light therapy, cold plunges, or saunas
- Tracking your sleep and making small adjustments to optimize it
At its heart, biohacking is about moving beyond a passive approach to health and taking an active role in shaping your biology using accessible tools. By combining science, technology, and a little intuition, you can influence your body’s intricate systems and learn what truly helps you thrive. 
On the more extreme side, biohacking might include genetic testing, IV nutrient drips, or even implantable tech. But you don’t need to be a tech mogul with a home lab to be a biohacker.
Where does glucose tracking fit in?
Because glucose plays a key role in energy, mood, and long-term health, it’s often one of the first (and most impactful) things biohackers start tracking.
Glucose biosensors like Stelo are practical and powerful biohacking tools available today. Why? Because they give you 24/7 feedback on one of your body’s most important systems: how you manage energy.
Here’s how glucose tracking supports biohackers of all levels:
1. 24/7 feedback
You’ll see the impact of particular meals, workouts, sleep patterns, and even stress to help you make informed choices.
2. Clear cause and effect
You can connect the dots between your choices and your glucose response. (For example, maybe that “healthy” oatmeal breakfast is spiking your glucose and leaving you hungry an hour later. Now you know.)
3. It makes things personal
You don’t need to rely on generic “one-size-fits-all" advice or “eat this, not that” lists. You get to make decisions based on what works for you in particular.
4. Identify patterns and trends
Over time, you’ll start to see patterns and make small, targeted changes that can improve your energy, mood, and overall health. For example:
- Pairing carbs with fiber and protein for steadier energy
- Building in a short walk after most meals
- Noticing that consistent, quality sleep keeps glucose steadier the next day
- Spotting how stress affects your glucose, even without food involved
The bottom line on glucose tracking and biohacking
Glucose tracking embodies the spirit of biohacking: curiosity, self-experimentation, and continuous improvement. It transforms everyday decisions (what you eat, when you move, how you recover) into data-driven experiments with real insight.
In a nutshell, glucose tracking takes the guesswork out of daily choices. It offers a window into how your body is functioning around the clock. And for anyone curious about biohacking, that kind of feedback is pure gold.
The production of this article was sponsored by Stelo by Dexcom. 
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Kate Daugherty, MS, CNS
Kate Daugherty, MS, CNS, is a Certified Nutrition Specialist and functional medicine nutritionist with a Master’s in Human Nutrition and Functional Medicine.