Clinical Research Directory

Inclusion Criteria: * Recreationally physically active individuals will be recruited for the study. In this context it means all participants perform 1-hour of exercise per day over 3-days per week at a minimum for 1-month. All participants will be between the ages of 18-39 years of age. Exclusion Criteria: * Exclusion criteria for the study includes: 1) smokers; 2) unhealthy (have cardiovascular, metabolic, neurological, or psychological disease); 3) taking medication for any condition; 4) any known allergy to the supplements of interest (L-arginine or placebo \[dextrose\]).