Research-Driven Deep Dives Into Endurance Nutrition

MAS Science

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NAD+: The Hidden Reason Performance Declines After Age 40

Line chart of a runner's VO2max estimate rising then flattening into a 6 month plateau

Why Your VO2max Stopped Improving (And What’s Capping It)

New Research: How Probiotics, Biofeedback, and Plant-Based Iron Affect Sleep, Performance, and Energy Levels

Building Injury Resistance Through Training, Nutrition, and Smart Recovery

Infographic showing how sleep deprivation shifts exercise fuel use from carbs to fat

Sleep, Timing, and Cadence: 3 Small Adjustments Runners Get Wrong

A runner's hand holding two probiotic capsules beside a weekly training plan and running shoes, with the headline How Long Do Probiotics Take to Work Before a Race?

How Long Do Probiotics Take to Work Before a Race?