Self-Quantification

Self-quantification is one of the most powerful tools for optimizing your health, fitness, and overall performance. By measuring key biomarkers and tracking progress over time, you can make data-driven decisions that guide your training, nutrition, and recovery. In these articles, you’ll learn how to use self-quantification devices, track calories, sleep, and performance, interpret blood tests for vitamins, minerals, and hormones, and leverage genetic testing to personalize your diet and exercise. You’ll also explore the use of urine and gut panels, heart rate and HRV tracking, and other advanced methods for understanding and improving your body’s unique physiology.

A Crash Course On Finding Out What Is Happening Inside Your Body

A Crash Course On Finding Out What Is Happening Inside Your Body.

Ben Greenfield racing a Half Ironman last weekend, photo courtesy James Richman Do you ever wish you could know exactly...

The Death Of Heart Rate Training Zones

The Death Of Heart Rate Training Zones.

Yesterday morning, I was on running along an asphalt path beside the river. Committed to the plan for the workout,...

Fun With Blood, Saliva, and Ben Greenfield

Fun With Blood, Saliva, and Ben Greenfield.

Every 4 months or so, I drip saliva, bleed on paper and pee in a cup to find out what...

tpscreenshot

Online Software to Track Your Fitness and Diet

I’m not one to recommend that every time you go exercise, you take eight pounds of heart rate monitors, GPS...