Monday, June 21, 2010

Fish oil reduces heart rate and oxygen consumption during exercise

While there was no improvement in maximal oxygen consumption or peak workload in well trained cyclists, the subjects taking 1 gm of fish oil supplement 8 times a day for 8 weeks had lower heart rates, and sub-maximal oxygen consumption. Unfortunately, time to voluntary fatigue was no different.

What does it all mean? Fish oil apparently somehow reduces oxygen demand during exercise, which isn't a bad thing. The study abstract doesn't mention how long the subjects were exercised, which makes me wonder if there might not be some value for marathon runners- even a slightly more efficient cardiovascular function over 26 miles could be significant.

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