A single dose of purple grape juice improves physical performance and antioxidant activity in runners: a randomized, crossover, double-blind, placebo study.

Lydiane de Lima Tavares Toscano Alexandre Sérgio Silva Ana Carla Lima de França Bruno Rafael Virgínio de Sousa Eder Jackson Bezerra de Almeida Filho Matheus S Costa Aline Telles Biasoto Marques Darcilene Fiuza da Silva Klécia F Sena Gilberto Dos Santos Cerqueira Maria da Conceição Rodrigues Gonçalves

Published in: European journal of nutrition (2019)

The single-dose intake of purple grape juice demonstrated an ergogenic effect in recreational runners by increasing run time to exhaustion and increasing antioxidant activity.

Keyphrases

double blind
placebo controlled
clinical trial
physical activity
phase iii
mental health
study protocol
weight gain