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Bring together your wearables, health apps, meals, symptoms, and daily habits.
nutrition & endurance Expert
Board-certified sports dietitian with 35+ years' experience; author of Sports Nutrition for Endurance Athletes and nutrition consultant to USA Triathlon, USA Cycling, and pro teams.
Sports Dietitian & Endurance Nutrition Expert (MS, RDN, CSSD)
Monique Ryan, MS, RDN, CSSD, is a nationally known sports dietitian and the founder of Personal Nutrition Designs LLC (est. 1992), with over 35 years of experience in endurance sports nutrition. A Registered Dietitian Nutritionist and board-certified Specialist in Sports Dietetics, she is also an ACSM-certified Exercise Physiologist. Ahead of the 2004 Athens Olympics she served on the performance teams of USA Triathlon, USA Cycling (Women's Road Team), and Synchro Swimming USA, and she has consulted for professional cycling squads (Saturn, Volvo-Cannondale, Timex, Team Type 1), the Chicago Fire soccer team, and Ironman's coaching-certification nutrition module. She is the author of Sports Nutrition for Endurance Athletes (now in its fourth edition) and three other sports-nutrition books, and has herself completed nine Ironman 70.3 races. Her work centers on evidence-based, personalized nutrition plans for endurance athletes.
Your wearable data, habits, and goals come together with expert knowledge to deliver personalized guidance.
How Ottavia and Monique Ryan work for you

Bring together your wearables, health apps, meals, symptoms, and daily habits.

Ottavia recognizes patterns across your sleep, recovery, activity, nutrition, and lifestyle.

Every recommendation combines your health data with the expertise you trust.
The full Ottavia app, with Monique Ryan's knowledge applied to every report, question and log.


Start every day with clarity.


Expert guidance for every decision.


Know what to eat and why.


Plans that evolve with you.


Helpful guidance at the right moment.


Health isn't built in a day. It's built through years of small decisions, changing bodies, and evolving needs.

Every day adds another piece to your health story. Over time, Ottavia connects your wearables, biomarkers, blood tests, symptoms, habits, and life events to uncover patterns unique to you.
Women's health isn't a niche. From menstrual health and pregnancy to perimenopause and healthy aging, Ottavia is built to understand the biological changes that shape women's lives.


No single expert has every answer. Build a trusted team of experts that grows with you, bringing together different perspectives for every stage of your life.

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Educational, not medical advice. Subscription happens in the Ottavia app.
Connect your wearable or log your sleep, meals and workouts. Each morning Ottavia reads your night and your day, applies Monique Ryan's methods where they fit, and gives you one clear plan. Ask anything during the day; the answers use your own data.
Their published methods and research, applied by Ottavia to your own sleep, training and meals every day. You see where their work shaped a message, every time.
ChatGPT answers from general knowledge and forgets you between questions. Ottavia reasons from your actual data, every day, and applies a named expert's published method with attribution. It is not advice in general; it is about your Tuesday night.
No. Monique Ryan guides and educates through Ottavia. They never diagnose or prescribe.
No. Ottavia has read their published work and applies it inside your guidance. Your questions go to Ottavia; their thinking comes back in the answer, attributed.
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No. Experts contribute their methods to Ottavia; they never see individual users or their data.
Ottavia works best with Apple Watch, Garmin or Google Health. You can also log sleep, meals and workouts yourself.
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