Carbohydrate-Protein Supplementation During Endurance Running

Inclusion Criteria: * Males aged 18-55 years old * BMI in the healthy range, 18.5-24.9 * Run 45-90+ minutes at least 4 days per week * Engage in running this frequency and duration for at least 4 weeks prior to the phone screen * Engage in a run consisting ≥10 miles in length for at least 2-4 occasions per month for at least 2 months prior to the phone screen * No previous history of heart conditions * No shortness of breath or chest pain experienced during running or daily activities * No bone or joint problems experienced during running or daily activities Exclusion Criteria: * Females and males under the age of 18 and over the age of 55 * Females are excluded from this study in order to prevent any potential factors associated with the female athlete triad and endurance performance outcomes. * BMI below 18.5 or greater than 24.9 * Does not meet all other criteria listed (#3-6) * Allergies to products containing milk, soy, or aspartame * Severe allergies to eggs, wheat, tree nuts, fish, crustaceans, shellfish products (Accelerade, the CHO-P supplement, is made in a facility that processed these products) * Refusal to consume any of the supplements, and/or extreme dislike of the supplements * Refusal to complete the specified distance of the time trials