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The findings of this one suggest that dietary carbohydrate and exercise may generate independent and interactive effects on the plasma metabolome, resulting in the generation of distinct metabolic phenotypes that may influence appetite regulation and perhaps energy intake. 
- This study aimed to determine the interactive effects of carbohydrate and exercise on the plasma hormonal and metabolite responses and explore potential mediators of exercise-induced changes in appetite and energy intake across nutritional states.
- In a randomised-crossover fashion, 12 male participants completed four study visits that involved the consumption of a control (water) or carbohydrate beverage (75 g maltodextrin, 300 kcal), followed by a 30-minute rest or exercise session (75% V'O2max on a cycle ergometer).
Four study interventions:
(i) Control and Rest
(ii) Control and Exercise
(iii) Carbohydrate and Rest
(iv) Carbohydrate and Exercise
(i) Control and Rest
(ii) Control and Exercise
(iii) Carbohydrate and Rest
(iv) Carbohydrate and Exercise
- Findings suggested that dietary carbohydrate and exercise generate independent or interactive effects on gastrointestinal and pancreatic hormones associated with appetite regulation.
Dietary carbohydrate and exercise were associated with increased GLP-1 levels and decreased ghrelin concentrations.
Carbohydrate was associated with increases in PYY.
- A transient increase in IDL-P, IDL-C, and Apo-A2 concentrations were observed following acute exercise.
- Correlation network analyses resulted in the identification of key relationships between the plasma metabolome and exercise-induced appetite suppression.
- Irrespective of carbohydrate intake, higher concentrations of acetate, lactate, and PYY were associated with decreased appetite during exercise study interventions.
- That said, GLP-1 and succinate were the only two components of the plasma metabolome to be identified as important predictors of energy intake in both exercise study interventions.
"Like acetate, lactate and succinate are produced in substantial amounts by contracting skeletal muscle during exercise, suggesting that muscle-derived metabolites may be key regulators of energy intake in the acute period following exercise"
The metabolic interplay between dietary carbohydrate and exercise and its role in acute appetite-regulation in males: A randomised controlled study
doi.org/10.1113/JP2842…
#nutrition #diet #exercise #muscle #strength #lift #GetStrong #cardio #hiit #appetite #weightloss
doi.org/10.1113/JP2842…
#nutrition #diet #exercise #muscle #strength #lift #GetStrong #cardio #hiit #appetite #weightloss
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