Health & Fitness

• National Institutes of Health
• American Heart Association
• American Cancer Society
• Prevention Magazine

Fitness Equipment

• Consumer Affairs article on Fitness Equipment
• Reviews.com article on “The Best Fitness Trackers”

Food & Nutrition

• Weight Watchers
• U.S. Food and Drug Administration 

Certification

• Aerobics & Fitness Association of America (AFAA)
• American Council on Exercise (ACE)
• American Academy of Dietitians and Nutritionists (AASDN)