Caffeine Supplementation for 4 Days Does Not Induce Tolerance to the Ergogenic Effects Promoted by Acute Intake on Physiological, Metabolic, and Performance Parameters of Cyclists: A Randomized, Double-Blind, Crossover, Placebo-Controlled Study.

ABSTRACT: The present study investigated whether the caffeine supplementation for four days would induce tolerance to the ergogenic effects promoted by acute intake on physiological, metabolic, and performance parameters of cyclists. A double-blind placebo-controlled cross-over design was employed, involving four experimental trials; placebo (4-day)-placebo (acute)/PP, placebo (4-day)-caffeine (acute)/PC, caffeine (4-day)-caffeine (acute)/CC and caffeine (4-day)-placebo (acute)/CP. Fourteen male recreationally-trained cyclists ingested capsules containing either placebo or caffeine (6 mg∙kg^-1) for 4 days. On day 5 (acute), capsules containing placebo or caffeine (6 mg∙kg^-1) were ingested 60 min before completing a 16 km time-trial (TT). CC and PC showed improvements in time (3.

SUBMITTER: Morales AP 

PROVIDER: S-EPMC7400874 | biostudies-literature | 2020 Jul

REPOSITORIES: biostudies-literature