ROAR: How to Match Your Food and Fitness to Your Unique Female Physiology for Optimum Performance, Great Health, and a Strong, Lean Body for Life

ROAR: How to Match Your Food and Fitness to Your Unique Female Physiology for Optimum Performance, Great Health, and a Strong, Lean Body for Life

by Stacy T. Sims

4.6 (3,025)

4.6 stars from 3,025 reviews. Top 70% of Self Help books we track.

292 pages~4.9 hr readPublished 2016-01-01

$1.9988% off peak

Last checked: May 25, 2026

Price history: $1.99 $15.99

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Perfect for you if...

  • You're a female athlete frustrated that standard nutrition and training plans leave you depleted or injured, and you want science-backed strategies built for your body.
  • You're curious about how your cycle, hormones, and life stage actually affect your performance, not just vague wellness advice.
  • You want practical meal plans and workouts you can customise right now, not theoretical frameworks.

Maybe not for you if...

  • You prefer motivational fluff over physiological detail and scientific explanation.
  • You're looking for a quick-fix diet book rather than a comprehensive guide that takes time to understand and implement.
  • You're not an athlete or regularly active person, so the sports-specific training sections won't apply to your life.

About this book

Women's bodies differ from men's bodies, and most nutrition products and training plans designed for men do not serve female athletes well. ROAR is a physiology-based nutrition and training guide created specifically for active women. Exercise physiologist and nutrition scientist Stacy T. Sims, PhD, explains how to adapt your nutrition, hydration, and training to your unique female physiology to optimize athletic performance. The book includes goal-specific meal plans, nutrient-packed recipes, customizable nutrition advice for different training and recovery stages, and strengthening exercises. Topics covered include optimizing body composition, building lean muscle, strengthening bone, and boosting power and endurance. Because women's physiology changes over time, the book includes chapters on staying strong and active through pregnancy and menopause. The guide applies to runners, cyclists, field sport athletes, triathletes, and other active women seeking to improve health and fitness.

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Kindle price over time. Green zones = periods when the book was free.

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Free$8.00$15.99Mar '20Jun '22Apr '24May '26
$1.99$15.99

Currently on sale at $1.99 — 88% off peak. Price has dropped 17 times over the last 6 years. Goes on sale roughly every 137 days. Typically stays discounted for 6 days.

Sales Rank

Amazon sales rank: lower number = better selling book. #1 is the bestseller.

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#5,979#203,726#401,472Apr '18Dec '21Jan '23May '26

Currently around #15K in the Kindle store — a steady mid-list seller. Sales have softened 89% recently.

Rating & Reviews

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4.0★4.5★5.0★May '23Sep '23Oct '24Jan '26RatingReviews

Currently 4.6★ from 3,025 reviews

Gaining approximately 7 new reviews per month. Rating has remained stable at 4.6 over the tracking period.

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Free$8.00$15.99Mar '20Jun '22Apr '24May '26PredictedMay '26

Actual Predicted

This book is currently discounted at $1.99. It typically returns to around $15.99.

Prices shown in USD from Amazon US. We continuously pull new data to improve tracking. If dates look old, it usually means there has been no significant change since the last data point.

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Stacy T. Sims

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