Primary outcome measure: Proton density fat fraction (Left side) 40-85% threshold measured via magnetic resonance imaging,,,,,,, n=12,,,,,,, ,,PDFF (%),,,,, ,Participant,Beetroot,,Placebo,,, ,,Pre-cooling,Post-cooling,Pre-cooling,Post-cooling,, ,1,77.32,73.21,76.99,75.73,,* Missing data ,2,73.11,75.15,73.66,75.04,, ,3,76.72,77.01,77.04,76.41,, ,4,73.81,75.08,71.38,69.78,, ,5,72.73,70.85,65.15,73.14,, ,6,73.87,77.92,75.34,75.27,, ,7,*,*,*,*,, ,8,73.22,69.85,74.48,76.8,, ,9,76.38,74.48,75.07,71.63,, ,10,73.61,73.65,74.47,73.78,, ,11,72.57,72.81,73.45,71.56,, ,12,71.17,69.35,71.77,72.72,, ,13,75.83,75.62,76.53,78.51,, ,Mean,74.2,73.7,73.8,74.2,, ,SD,1.9,2.7,3.3,2.5,,