Effecten van nitraat suppletie op hoog-intensiteit sport prestatie Performance enhancement
Conditions
Interventions
6 days of supplementation with 6x 800-1000 mg (800-1000 mg/day) nitrate in the
form of 140 mL concentrated red beetroot juice, or 6x 140 mL nitrate-depleted
concentrated red beetroot juice (placebo)
High intensity intermittent exercise
Soccer
Sponsors
Universiteit Maastricht
Eligibility
Age
18 Years to 64 Years
Inclusion criteria
Inclusion criteria: - Healthy - Players of the first two senior selection teams of a regional soccer club competing at the 3rd KNVB level or higher - Training >=2 days a week - Competing at a level >= *klasse 4* - 18-40 years - Male
Exclusion criteria
Exclusion criteria: - Use of medication - Injury prohibiting them from performing the exercise protocol effectively - Smoking - Currently supplementing diet with nitrate - Lactose intolerance
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Total distance covered during the Yo-Yo Intermittent Recovery 1 test (Yo-Yo IR1 test) | — |
Secondary
| Measure | Time frame |
|---|---|
| - plasma concentration of nitrite and nitrate - salivary concentration of nitrite and nitrate- heart rate - gastro-intestinal tolerance questionnaire | — |
Countries
The Netherlands
Outcome results
None listed