Healthy Adults
Conditions
Interventions
Beetroot juice group:Beetroot juice and placebo
Placebo group:Placebo (grape juice group)
Sponsors
Nankai University
Eligibility
Sex/Gender
All
Age
18 Years to 55 Years
Inclusion criteria
Inclusion criteria: 1.Predominantly male, female subjects were not pregnant or at least 6 weeks postpartum and did not breastfeed; 2.Subjects between 18 and 55 years of age (inclusive); 3.Exercise >= 3 times per week for >= 30 minutes of moderate intensity or more; 4.Subjects with a body mass index of 18.5 - 24 kg/m^2 (inclusive) or body fat <= 22%; 5."No" to all questions on the Physical Activity Readiness Questionnaire (PAR-Q); 6.Subjects are willing to comply with the study protocol and are able and willing to take the study product in accordance with the study protocol; 7.Prior to participation in the study, subjects voluntarily signed and dated an Informed Consent Form (ICF) approved by the Institutional Review Board (IRB)/Independent Ethics Committee (IEC).
Exclusion criteria
Exclusion criteria: 1.Unacceptable product flavor; unwilling to stop using antibacterial mouthwash, toothpaste, or chewing gum for the duration of the trial; 2.Unwillingness to discontinue use of nutritional supplements or exercise-enhancing foods that affect study results 2 weeks prior to the trial period; 3."very poor" VO2max for the age group; 4.Habitual alcohol consumption (>20 g/day) or habitual high caffeine (>250 mg/day); 5.Not suitable for strenuous running as determined by the researcher, e.g. bone and ankle injuries due to exercise, wearing a pacemaker, having arthritis, etc. 6.Current history or diagnosis of any gastrointestinal disorder or any of the following conditions that could potentially affect the study results, including but not limited to: gastrointestinal disorders such as irritable bowel syndrome, colitis, ulcerative colitis, celiac disease, osteoporosis or arthritis, liver disease, renal disease, endocrine disorders, hematologic, respiratory, and cardiovascular disorders; 7.Heavy smokers (>= 1 pack/day); 8.Currently taking medications for cardiovascular or metabolic diseases; 9.Symptoms of infection such as influenza, viruses, etc., within the month prior to the first site visit; 10.Currently receiving or having received any medical or nutritional therapy or participation in other experimental studies; 11.Weight loss or gain of more than 5 kg in the 3 months prior to screening; 12.Hospitalization in the 3 months prior to screening; 13.In the judgment of the researchers, current regular use of medications that may affect electrolyte balance or hydration;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| VO2max; | — |
Secondary
| Measure | Time frame |
|---|---|
| body composition;peak lactate concentration;Vcomplete;time to exhaustion;VO2;Vpeak;vVO2max:;maximum heart rate;Subjective fatigue;anaerobic threshold; | — |
Countries
China
Contacts
Public ContactShuo Wang
Nankai University
Outcome results
None listed