Eligibility Module

Eligibility Module

The Eligibility Module contains detailed information about who can participate in the clinical trial. This includes eligibility criteria, age restrictions, gender requirements, healthy volunteer status, and study population descriptions, helping researchers understand who is eligible to participate in the study.

Eligibility Module path is as follows:

Study -> Protocol Section -> Eligibility Module

Eligibility Module


Ignite Creation Date: 2025-12-24 @ 4:37 PM
Ignite Modification Date: 2025-12-24 @ 4:37 PM
NCT ID: NCT03371966
Eligibility Criteria: Inclusion Criteria: * Competitive runner or cyclist. * Able to pedal a stationary bike. * Engage in moderate physical activity for at least 150 minutes per week or engage in strenuous physical activity for at least 75 minutes per week. * Able to provide own transportation to study testing visits. * Able to provide own transportation to study testing visits. * Able to consume study beverages. * Willingness to provide informed consent and participate in the intervention. Exclusion Criteria: * tobacco user (smoke or chew) * participating in another intervention research study * diabetes (type 1 or 2) * atrophic gastritis * hypo-or hyperthyroidism * gout * history of kidney stones * history of hypotension * aversion to the study-related testing procedures * allergy/sensitivity/aversion to beetroot beverages * medical conditions with contraindications for engaging in the vigorous aerobic exercise * current treatment for cancer * thyroid disorders, * cardiovascular disease, * chronic obstructive pulmonary disease, * inflammatory bowel diseases * impaired liver or kidney function * taking phosphodiesterase type 5 inhibitors * taking nitroglycerin or nitrate preparations * taking proton pump inhibitors * taking medication for hypothyroidism
Healthy Volunteers: True
Sex: ALL
Minimum Age: 40 Years
Maximum Age: 65 Years
Study: NCT03371966
Study Brief:
Protocol Section: NCT03371966