1. Subjects who are or will be taking long-term hormonal agents that may affect the normal physiology of sex hormone function.

2. Subjects with a PSA \> 10.0 ng/ml.

3. Subjects with a history of prostate cancer.

4. Subject participated in another investigational agent study in the past 30 days or is planning to do so during the study period.

5. Subjects are considered ineligible for the study as judged by the investigator.

To Evaluate the Effect of MCS® in Prostate Cancer Prevention