This study showed that supplementing healthy, well-trained male subjects with fish oil over 8 weeks,
significantly lowered heart rate, rate pressure product and whole body O2 consumption during
exercise. Importantly, the peak levels of whole body O2 consumption and workload were not
influenced despite the reduced peak heart rate. These results confirmed that fish oil supplementation
reduces myocardial O2 demand during exercise. Furthermore, there is evidence that skeletal muscle
O2 consumption is also reduced following fish oil supplementation.