Research
Neural
The enhancement in performance was less (0.7%) for cyclists not told what was in the drink compared to those told carbohydrate.
Awareness of the drink's contents can influence performance outcomes.
StrongSupportsmedium confidence
The enhancement was less relative to the cyclists not told(0.7%, 95%CI = 3.9 to -2.4%).
Why this rating
The study design allows for a clear comparison of effects based on information provided.
Source
THE SIZE OF THE PLACEBO EFFECT OF A SPORTS DRINK IN ENDURANCE CYCLING PERFORMANCE
V. R. Clark et al. · Medicine & Science in Sports & Exercise · 1998
rct · n=50Cited 3×
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