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

> Research article (European Journal of Nutrition, 2019) · cited 49× · AI/ML

**Wikidata**: [openalex:W2982888811](https://www.wikidata.org/wiki/openalex:W2982888811)  
**Source**: https://4ort.xyz/entity/a-single-dose-of-purple-grape-juice-improves-physical-performance-and-antioxidant-activity-in-runners-a-randomized-cross