Nutritional ergogenic aids (NEAs) are substances included within the group of sports
supplements. Although they are widely consumed by athletes, evidence-based analysis is …

While studies on dietary nitrate (NO3−) supplementation and its impact on combat sports
performance are increasing, finite conclusions from currently available investigations remain …

Despite some promising early findings, there is currently insufficient evidence to recommend
increased dietary nitrate intake for the purpose of improving brain health. However, longer …

Background: Beetroot juice is a sport supplement with a high level of evidence on the
physical performance enhancement. However, in swimming, there is no clear data about the …

Despite the numerous scientific evidence on the topic, there is no clear and consistent
answer that clarifies the true effects of beetroot juice (BJ) supplementation on different types …

This research investigated the impact of New Zealand blackcurrant (NZBC) on 2000-meter
rowing ergometer performance and cognitive abilities. Nine trained male rowers from Iran's …

Objective: The aim of this study was to evaluate the effect of four weeks of high intensity
interval training (HIIT) with beetroot juice supplementation (BJ) on serotonin and dopamine …

The ATP-PCr system represents the main source of energy during high-intensity attack
actions in taekwondo matches. In contrast, the glycolytic system supports the maintenance of …

Background Beetroot juice (BRJ) supplementation has been shown to increase sports
performance under hypoxic conditions and to improve athletes' recovery. Objectives In the …

To sustain the specific intermittent activity of an official taekwondo match, high demands are
placed on both aerobic and anaerobic metabolisms. Studies determining the contributions of …