Effect of creatine feeding on maximal exercise performance in vegetarians

The effect of creatine supplementation on exercise performance in vegetarians was examined by Anat Shomart and others from the Karolinsda Institute in Stockholm, Sweden.

Creatine was ingested for one week by a group of vegetarians and by a group of meat eaters, and glucose was given to a control group. They consumed 7 grams three times per day for the week of either creatine or glucose. Exercise performance was measured using three, 20-second maximal cycling tests before and after creatine supplementation.

Creatine feedings significantly increased bodyweight (about two pounds) and mean power output during the cycling test to a similar extent in the vegetarian and meat eating groups. However, peak power output was significantly increased by supplementation in the meat-eating group, but not in the vegetarian-group. These parameters where not increased in the control group. It was concluded by the researchers that vegetarians and meat-eaters respond to creatine feedings with similar increases in mean power output during short-term, maximal exercise.

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