Suplemento dietético para aumentar la variabilidad de la frecuencia cardíaca HRV+

Upon purchasing The HRV Book, you will receive an email containing the downloadable PDF file of the book. Simply follow the instructions of that email to access your copy of The HRV Book.

• What your score is really calculating — where your wearable's algorithm adds genuine insight, and where it flattens something more complicated into a single figure.

• Why one morning's number is mostly noise — and how many days of data it takes before a trend is worth trusting.

• How to build a baseline you can rely on, and why comparing your number to anyone else's tells you almost nothing.

• The levers that actually change the number — sleep, breath, training load, heat and cold, what you eat and drink, and the people in your life — each with the research laid out honestly.

• Where the science is strong, and where it isn't — no overselling, no miracle claims, just what the evidence supports at each turn.

The athlete, learning when to push and when to protect tomorrow.

The parent, trying to keep enough in reserve to be present after a hard day.

The grandparent, working to make the most of a third third of life that holds far more room for growth than anyone warned them.

Three people, one number — and one practice that serves all of them.

An honest book about your body. This is not a book that promises a higher number will fix your life. It's a book that earns your trust one careful claim at a time — so that when it asks something harder of you, slow down, recover more, breathe for five quiet minutes — you'll hopefully believe that it's worth trying for yourself.

Don Moxley is the Chief Science Officer at Mode + Method and co-creator of HRV+.

He was Ohio State's first sports scientist, a Big Ten championship-winning captain, and has spent 30+ years in human performance — supporting athletes to 2 Olympic medals, 4 world championships, and 7 national championships, all while pioneering HRV-based athlete monitoring before the technology ever reached consumers.