Tag Archives: endurance

Do nitric oxide supplements make muscles bigger and increase endurance?

Nitric oxide supplements are widely used for bodybuilding and athletic performance, but do they really work?

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Pre-Run Stretch May Hurt Endurance

Runners who stretch before a run expended more energy and run shorter distances, according to a new study. Here are the details from WebMD: Some runners swear by their pre-run stretch as a sure-fire way to run better and stronger … Continue reading

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