Blood Sugar Isn’t Just for People with Diabetes—It’s the New Training Metric

Why Blood Sugar Should Be Your Clients’ Most Important Metric

When you think about training metrics, you probably think of heart rate zones, VO₂ max, calories burned, or time under tension. But one metric trumps them all, and most coaches aren’t using it yet: blood glucose.

Traditionally, blood glucose tracking was considered only for those with Diabetes. But thanks to continuous glucose monitoring (CGM), fitness professionals now have access to data points that reveal the real-time inner workings of their clients’ physiology. And it’s changing the game.

The Limitations of Traditional Metrics

Heart rate, calories, and other conventional metrics only show part of the picture: how hard your clients work on the outside. But they miss what’s happening inside the body.

Here’s why that matters:

  • Two clients can do the same workout, eat the same meal, and show different glucose responses.

  • These hidden fluctuations can derail energy, recovery, and fat loss.

  • Without understanding glucose, coaches risk unintentionally programming workouts that spike stress hormones and blood sugar beyond optimal levels.

What CGM Reveals That Other Metrics Can’t

Continuous Glucose Monitoring (CGM) uses a small sensor on the back of the arm or abdomen to measure glucose levels 24/7.

This metric goes beyond the surface and shows how:

  • Workouts impact blood sugar in real time.

  • Pre- and post-workout meals affect energy availability and recovery.

  • Stress and poor sleep disrupt glucose stability.

For coaches, this is a goldmine of actionable data.

How CGM Elevates Your Coaching

  1. Personalize Training Like Never Before

    • Identify when clients are primed for high-intensity work versus when they need active recovery.

  2. Dial In Nutrition for Performance and Fat Loss

    • Match meals to training phases and avoid the spike-crash cycle that undermines consistency.

  3. Track Stress and Recovery Beyond HRV

    • Elevated overnight glucose can signal poor recovery, even before your client feels it.

Why This Matters for Every Client, Not Just Athletes

Most fitness professionals believe blood sugar only matters for those managing Diabetes. But here’s the truth:

  • Energy dips, stubborn fat loss, poor recovery, and chronic stress are all linked to glucose instability.

  • Every day, clients face these issues, and CGM shows you why.

Understanding and leveraging this CGM fitness metric will help clients break through plateaus, stay consistent, and achieve lasting results.

Your Next Step: Master CGM Coaching in Just 5 Days

If you’re ready to stand out as a fitness coach who uses continuous glucose monitoring, now is the time.

Enroll in the Unlock Precision Mini Course—the 5-day intensive that shows you how to read CGM data, adjust training, and create breakthrough results for your clients.

It’s your chance to become the coach who sees what others miss.

Final Thoughts

Blood sugar isn’t just for Diabetics; it’s the new training metric that reveals the hidden side of performance, fat loss, and recovery.

The coaches who learn to interpret CGM data today will lead the industry tomorrow.

Secure your spot in the Unlock Precision Mini Course now and future-proof your coaching business.

Amanda Davis | BioFit Founder

Amanda Davis is the founder of BioFit® and the creator of the Certified CGM Fitness Specialist™ Program. A NASA-trained strategist and fitness innovator, she teaches coaches how to use continuous glucose monitoring (CGM) to deliver smarter, data-driven training.

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Why Time-In-Range Is the New Gold Standard for Fitness Tracking

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Inside the Spike: Why That 'Healthy' Workout Might Be Hurting Your Gains