Articles by Dr Stacy Sims

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What Racing Kona Taught Me

Racing Kona Taught Me More Than I Ever Expected In October 2000, I stood on the start line of the Ironman World Championship in Kailua-Kona, Hawaii. I had no idea that day would shape the rest of my career—not just as an athlete, but as a scientist. Kona is brutal. It’s long, hot, humid, wind...

by Dr. Stacy Sims — Oct 06, 2025 fueling heat hydration nutrition training

Train for Power—Not Just Strength

Most active women love to move. Whether it’s running, riding, swimming, lifting, yoga, or simply chasing your kids around, we love to break a sweat and feel the physical and mental benefits that come from that. But there’s one form of training that too often gets overlooked: power training. W...

by Dr. Stacy Sims — Sep 19, 2025 fueling lhs lift heavy longevity strength

Training Girls Through Puberty

If you’ve followed me for a while, you know I’m all about helping women work with their physiology, not against it. And while I’ve covered this extensively for women aged ~25+, an area of emerging interest for me—especially with a teenage daughter—has been learning and researching more about ...

by Dr. Stacy Sims — Sep 03, 2025 coaching fueling hormones lea menstrual cycle period sit

Share the Knowledge

As you might have seen, Apple News reported that the podcast episode I recorded with Dr. Andrew Huberman last year was the fourth most-shared podcast episode of 2024. This was a great piece of news to finish the year with, and now that we’re settling into 2025, it got me and my team thinking...

by Dr. Stacy Sims — Feb 10, 2025 creatine fueling

Mainstream Menopause Advice is Misleading Active Women

Fasting, keto, low carb, all zone 2 all the time…those rules are not for us. It’s been two years since my menopause training book, Next Level, came out and three years since we started working on it. Though it’s nearly impossible to believe at this point, just three or four years ago, menopause ...

by Dr. Stacy Sims — Oct 14, 2024 creatine fueling hormones menopause perimenopause zone

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Tags: fueling

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