2.5. Sample Collection
BLOOD
Blood samples for serum analysis were taken by a medical diagnostic professional according to the experimental protocol at three different time points: 24 h before the run, immediately after the run (within 5 min of finishing the run), and 24 h after the run. The blood was collected in Sarstedt S-Monovette tubes (S-MonovetteFor the amino acid analysis, we used a modified method developed by Waraksa et al. 2019 [