Nutrasorb is a newly developed food product (see www.nutrasorb.com). This study will use the Nutrasorb soy protein product that is matrixed with polyphenols from blueberries and green tea extract, and test for efficacy as a nutritional countermeasure to exercise-induced physiologic stress (i.e., immune dysfunction, inflammation, and oxidative stress) using both traditional and metabolomics-based outcome measures.

Inclusion Criteria:

• Male or female endurance athletes; competitive runners or cyclists
• Capable of exercising for 2.5 h at a high intensity in the lab
• Ages 18-55
• Agree to train normally and stay weight stable.
• Agree to avoid the use of large dose vitamin/mineral supplements
• Agree to avoid herbs and medications that influence inflammation

Exclusion Criteria:

• Regularly take supplements or medicines known to effect inflammation.
• At moderate or high risk for cardiovascular disease.
• Younger than 18 or older than 55 years of age.
• No history of competing in long distance running and cycling races.