Dr. Stacy T. Sims, is a Senior Research Scientist at the University of Waikato.

She is an applied researcher, innovator and entrepreneur in human performance, specifically sex differences in training, nutrition, and environmental conditions.  She served as an exercise physiologist and nutrition scientist at Stanford University from 2007 to 2012, where she specialized in sex differences of environmental and nutritional considerations for recovery and performance.

Specializing in women's health and performance. She had the opportunity to translate earlier research into consumer products and a science-based layperson's book written to explain sex differences in training and nutrition across the lifespan. Both the consumer product companies and the book challenged the existing dogma for women in exercise, nutrition, and health outcomes.

Her contributions to the international research environment and the sports nutrition industry has established a new niche in sports nutrition; and established her reputation as the expert in sex differences in training, nutrition, and health. 

As a direct result, she has been named as one of the to 50 visionaries of the running industry (2015), one of the top 40 women changing the paradigm of her field (2017), one of the top four visionaries in the outdoor sport industry (2017), and one of the top four individuals changing the landscape in triathlon nutrition (2017). 

Stacy is the author of 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.

Stacy resides in Mount Maunganui with her husband and young daughter. 

Show notes

  • Living in New Zealand
  • How Stacy would introduce herself
  • Growing up in an army family
  • Being sporty and loving the outdoors
  • Getting into running and dancing
  • Being an athlete and an academic
  • Why do women need to train differently 
  • Starting to ask the questions
  • Why women are too hard to study!!
  • What do we need to know about the menstrual cycle
  • Day 1 - first day of bleeding
  • Day 12  - Ovulation and upsurge of oestrogen
  • Low hormone phase - First 10 days, hormones are low and we are more like men - hit the power hard, do intensity hard, sleep well and recovery well, core temp is lower
  • High hormone phase - ovulation - very individual  - e.g. having flat days  - be kind to yourself or feeling bullet proof - go and hit it hard
  • 5 days before your period starts - this is when we are most different from men.
  • Tracking periods for over 20 years
  • Being a pilot subject in all her studies
  • The mental impact of not understanding your body
  • Pushing against the dogma
  • Dealing with the set backs and push backs
  • Being inspire to write the book  - ROAR
  • Why the book is starting to gain tracking now - 3 years later
  • Keto for women and why it might not be the best thing 
  • The biggest mistakes that women are making
  • Why you need to track your period
  • What women need to do to help with recovery
  • Get your protein in 30 mins after eating
  • Training, pregnancy, trail running and doing local races
  • Having a really hard pregnancy
  • Big changes after having her daughter
  • What she’s studying at the moment
  • How she’s balances everything in her life
  • Needing to be on the go all the time
  • Quick Fire Questions
  • The next book!

Social Media

Facebook @drstacysims  

Instagram @drstacysims   

Take a Listen to Stacy on Sparta Chicks Radio - #99 Dr Stacy Sims on How to Work With Your Body, Not Fight Against It



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