Female Physiology Expert

Dr. Stacy Sims

Dr. Stacy Sims' vision is to create a world of healthy women who understand their bodies, know how to work with their unique physiology, and create positivity around being a woman in sport. It is her goal to shift the destructive narrative and elevate women in research, science, and sport.


best selling book "ROAR"


Top 40 women changing the paradigm of her field

the partnership

Why Momentous?

"True and true, I am a scientist and I want that to be the ability to push things forward and see how we can take over this space and really put a mark on this space so that when someone looks at female athletes, they go “Momentous” because that's the goal I have for this partnership. To be the loudest and the most accurate and the most trusted voice in the sports supplement space." - Dr. Stacy Sims


Dr. Stacy Sims has been doing research in the areas of physiology and nutrition for over 25 years. She has a wealth of experience implementing practical, science-based interventions specifically for women.

Dr. Sims has directly helped hundreds of women from all levels of ability as well as reached hundreds of thousands through her books, live presentations, and online courses.

What sets us apart

Trusted & Used by the Best

Pro Team & Athlete Adoption

150+ paying team customers in professional and NCAA sports. 72% of NFL teams consistently buy and stock Momentous products in their locker room. We are honored to work with world record holders, Super Bowl champs, Tour de France winners and Olympians.

Trusted by & Used by the Best

Science-backed & Best in Class

The Momentous product portfolio consists of products with deep scientific backing, direct clinical proof, patents and patented ingredients. Plus they have been designed by performance experts in the NFL, NBA, MLB, NHL and NCAA and are tested rigorously by independent 3rd parties.

Trusted by & Used by the Best

U.S. Military Funding & Adoption

Momentous has been awarded 6 innovation and research contracts to further human performance and optimization by the Department of Defense. This funding has supported clinical research and product development enabling us to bring the best and innovative products and solutions to market.