Eat it when Messi plays for ten minutes. According to the relevant information query, according to the Spanish "Daily Sports" report, during the match between Barcelona and Olympiakos of Greece, it was the tenth minute of the game. Messi stopped on the court, and Messi bent down. He took out a glucose pill from his sock. Messi chose to take it at this time because the muscles absorb glucose best fifteen minutes before the game when physical exertion is low.