Need volunteers to study the potential anti-aging effects of dietary supplements on blood vessel function Requirements: Men and Women Aged 50-79 years (women must be post-menopausal) Not taking blood thinners or hormone replacement therapy Willing to take supplements (pills or beverages) for 10-12 weeks Participants will Receive: Physical Exam by Physician Complete Blood Panel Body Fat Composition Scan Exercise Stress Test Monetary Compensation for time If interested, please email ipalab@colorado.edu or call 303-735-6410