Failure Of Oral Tyrosine Supplementation To Improve Exercise Performance In The Heat

Effect None
Values Figure 5
Trial Design Randomized trial
Trial Length n/a
Number of Subjects 7
Sex Male
Body Types Trained
Notes for this study:
In this randomized, double-blind, placebo-controlled crossover trial, 7 male endurance-trained athletes took 150 mg/kg of tyrosine or an isocaloric amount of whey protein prior to exercise testing in high heat (30 degrees C) conditions.

There wasn't a difference between groups in time to completion or power output during the cycling test. There was also no effect on heart rate, temperature, urine osmolality or body mass losses. There wasn't a statistically

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