Caffeine supplementation effects on damage from athletic training

Athletes who use caffeine were discovered to have lower oxidative stress, a new study in the African Journal of Traditional, Complementary and Alternative Medicines shows. The paper, which was published by a team from the University Centre of Várzea Grande and the Federal University of Mato Grosso investigated the effects of adding caffeine to their diet during a workout regimen.

  • To test this theory, researchers used a double-blind, randomized, and crossover study. Participants initially included 36 individuals; however, it was whittled down to exclude smokers and people with pre-existing conditions. The final pool contained 13 males and 17 females.
  • The groups were split into two, with one group taking in a caffeine supplement while the other group getting a placebo. As this was a double-blind and randomized study, a person not directly involved in the research handled the distribution of the supplement to randomize samples.
  • Prior to their tests, both groups took their supplements. Researchers then conducted a spirometric test to measure their respiratory system. After the test, blood was drawn from both groups to evaluate their levels of oxidative stress.
  • Participants then exercised using the treadmill. For the test, they started at a speed of three kilometers per hour (km/h). Afterward, the slope was raised by one percent. The speed was increased to 6 km/h, raising it by a kilometer per hour every minute until it reached 15 km/h.
  • After a week, the groups switched intakes: those who took caffeine were now given a placebo and vice versa.
  • Results revealed that participants who were given caffeine before tests showed lower levels of oxidative stress before and after their workouts.

Researchers concluded that caffeine, when it is used by athletes, can reduce oxidative stress.

Full text of study at this link.

Journal reference:

Viviane Martins Mana Salicio, Carlos Alexandre Fett, Marcos Adriano Salicio, Camila Fernanda Costa Cunha Moraes Brandão, Luiz Fabrizio Stoppiglia, Waléria Christiane Rezende Fett, and Clovis Botelho. THE EFFECT OF CAFFEINE SUPPLEMENTATION ON TRAINED INDIVIDUALS SUBJECTED TO MAXIMAL TREADMILL TEST. African Journal of Traditional, Complementary and Alternative Medicines, 2017; 14: 1 DOI: http://dx.doi.org/10.21010/ajtcam.v14i1.3

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