Heather R. Mangieri


Heather Mangieri, MS, RD, CSSD, LDN began her career in nutrition and dietetics over fourteen years ago after graduating from Penn State University with a degree in nutrition. Since then she has worked in a variety of settings including health clubs, hospitals, long-term care, research and education. Heather went on to obtain her master degree in wellness and human performance from the University of Pittsburgh and is now board certified in sports dietetics and holds additional certifications in adult weight management.

Heather is a nationally recognized nutrition expert and the owner of Nutrition CheckUp, a private nutrition practice located in Pittsburgh, Pennsylvania. Through her practice, she helps casual exercisers and competitive athletes maximize their training efforts with nutrition to reach their fitness goals. She also coaches weight management and wellness clients to improve their life with nutrition and physical activity to feel better and prevent disease. As a spokesperson for the Academy of Nutrition and Dietetics, Heather is a trusted source of nutrition information, helping translate science into practical messages that can be understood by the public. She has been quoted in over two hundred local and national publications including Fitness Magazine, Cosmopolitan, More Magazine, Men's Fitness, Men's Health, Woman’s Health Magazine, Better Homes and Gardens, The New York Times, Chicago Tribune, La Times and USA Today. She has also been featured on Self.com, MSN.com, CNN.com and Foxnews.com among many others.

Heather is a member of the Academy of Nutrition and Dietetics and the American College of Sports Medicine and is actively involved on the leadership team for the Sports, Cardiovascular and Wellness nutrition groups, The Pennsylvania Academy of Nutrition and Dietetics and the Pittsburgh Dietetic Association.



  • Nutrition CheckUp, LLC, Academy of Nutrition and Dietetics Spokesperson