Quercetin reduces illness but not immune perturbations after intensive exercise.

@article{Nieman2007QuercetinRI,
  title={Quercetin reduces illness but not immune perturbations after intensive exercise.},
  author={David C Nieman and Dru A. Henson and Sarah J. Gross and David Paul Jenkins and John M Davis and Elizabeth A. K. Murphy and Martin D. Carmichael and Charles C L S Dumke and Alan C. Utter and Steven R. McAnulty and Lisa S. McAnulty and Eugene P. Mayer},
  journal={Medicine and science in sports and exercise},
  year={2007},
  volume={39 9},
  pages={1561-9}
}
PURPOSE To investigate the effects of quercetin supplementation on incidence of upper respiratory tract infections (URTI) and exercise-induced changes in immune function. METHODS Trained male cyclists (N=40) were randomized to quercetin (N=20) or placebo (N=20) groups and, under double-blind procedures, received 3 wk quercetin (1000 mg.d(-1)) or placebo before, during, and for 2 wk after a 3-d period in which subjects cycled for 3 h.d(-1) at approximately 57% Wmax. Blood and saliva samples… CONTINUE READING