Exogenous ketosis increases circulating dopamine concentration and maintains mental alertness in ultra-endurance exercise
Chiel Poffé, Ruben Robberechts, Myrthe Stalmans, Jan Vanderroost, Stijn Bogaerts, Peter Hespel
Abstract
Oral ketone ester ingestion elevates circulating dopamine concentration during ultra-endurance exercise. This is associated with improved mental alertness. Furthermore, ketone ester intake inhibits postexercise skeletal muscle macrophage infiltration, and counteracts the increase in AMPK phosphorylation after exercise, which indicates improved muscular energy status.
Topics & Concepts
Internal medicineEndocrinologyKetone bodiesKetosisDopaminePlaceboMedicineChemistryMetabolismDiabetes mellitusPathologyAlternative medicineDiet and metabolism studiesAdipose Tissue and MetabolismMuscle metabolism and nutrition