Applying a Low-FODMAP Dietary Intervention to a Female Ultraendurance Runner With Irritable Bowel Syndrome During a Multistage Ultramarathon.

International Journal of Sport Nutrition and Exercise Metabolism
Stephanie K Gaskell, Ricardo J S Costa

Abstract

Malabsorption of fermentable oligo-, di-, mono-saccharides and polyols (FODMAPs) in response to prolonged exercise may increase incidence of upper and lower gastrointestinal symptoms (GIS), which are known to impair exercise performance. This case study aimed to explore the impact of a low-FODMAP diet on exercise-associated GIS in a female ultraendurance runner diagnosed with irritable bowel syndrome, competing in a 6-day 186.7-km mountainous multistage ultramarathon (MSUM). Irritable bowel syndrome symptom severity score at diagnosis was 410 and following a low-FODMAP diet (3.9 g FODMAPs/day) it reduced to 70. The diet was applied 6 days before (i.e., lead-in diet), and maintained during (5.1 g FODMAPs/day) the MSUM. Nutrition intake was analyzed through dietary analysis software. A validated 100-mm visual analog scale quantified GIS incidence and severity. GIS were modest during the MSUM (overall mean ± SD: bloating 27 ± 5 mm and flatulence 23 ± 8 mm), except severe nausea (67 ± 14 mm) experienced throughout. Total daily energy (11.7 ± 1.6 MJ/day) intake did not meet estimated energy requirements (range: 13.9-17.9 MJ/day). Total daily protein [1.4 ± 0.3 g·kg body weight (BW)-1·day-1], carbohydrate (9.1 ± 1.3 g·kg BW-1·day-1),...Continue Reading

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Citations

Jan 12, 2019·International Journal of Sport Nutrition and Exercise Metabolism·Dana M LisD Enette Larson-Meyer
Jan 12, 2019·International Journal of Sport Nutrition and Exercise Metabolism·Stephanie K GaskellRicardo J S Costa
Oct 28, 2019·Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme·Stephanie K GaskellRicardo J S Costa
Jul 31, 2018·Research in Sports Medicine·Ricardo J S CostaTrent Stellingwerff
Jun 12, 2020·Journal of the International Society of Sports Nutrition·Jill A ParnellKelly Anne Erdman
Feb 13, 2021·Nutrients·Kelly Anne ErdmanJill A Parnell

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