S2 EPISODE 26 - Sprinters, Hockey Players & Relative Energy Deficiency in Sport (RED-S) w/ Jen Sygo MSc RD

Season 2 Episode 26, Dr. Bubbs interviews Jen Sygo RD MS, Performance Nutritionist for the NBA’s Toronto Raptors and Athletics Canada to talk relative energy deficiency in sport (RED-S). In this episode, Jen will discuss her recent study on REDS in female sprinters, share primary red flag symptoms and secondary ones to watch out for, and talk about the common misconception of low energy availability in power and sprint sports, and the consequences on performance. Jen also shares new insights on within day energy balance, the difficulties in assessing energy intake and expenditure, when athletes are “circling the drain” and share her experience working with NHL hockey players during the grueling playoff run and fueling in compressed competition schedules. 

Lay-Ups In This Episode

1)    RED-S is Relative Energy Deficiency in Sport is the result of insufficient caloric intake and/or excessive energy expenditure.

2)    ‘Energy availability’ (EA) refers to the amount of energy left over and available for your body’s functions after the energy expended for training is subtracted from the energy you take in from food.

3)    Low Energy Availability is not just a problem for females or endurance athletes, it can impact all athletes.

Link to Research Paper

Prevalence of Indicators of Low Energy Availability in Elite Female Sprinters

About Jennifer Sygo

Jennifer Sygo MS is Registered Dietitian and Performance Nutritionist for the Toronto Raptors and Athletics Canada. She is the author of Unmasking Superfoods, a national best-seller in Canada in 2014. Find out more at JenniferSygo.com and follow Jen on Twitter.