The effect of astaxanthin supplementation on performance and fat oxidation during a 40 km cycling time trial.

Objectives: This study aimed to investigate whether supplementation with 12 mg⋅day astaxanthin for 7 days can improve exercise performance and metabolism during a 40 km cycling time trial.

Design: A randomised, double-blind, crossover design was employed.

Methods: Twelve recreationally trained male cyclists (VO: 56.