Abby Jellinek-Johnson, MS, RDN, LD, CLT

Background

Abby Johnson, MS, RD is a registered dietitian, speaker, and performance nutrition expert who believes that a body in harmony performs at its best. With a degree in Kinesiology from Indiana University and a graduate degree in dietetics from Georgia State University, Abby blends science, strategy, and compassion to help individuals optimize health, performance, and longevity.
Specializing in sports performance, pediatrics, weight management, autoimmune conditions and gut health, Abby is known for delivering practical, evidence-based insights that consider both physical and emotional well-being. Her holistic approach empowers patients to think beyond calories and macros and instead focus on sustainable, individualized nutrition strategies that create real results.

Abby has published research in the areas of metabolism, IBS, and bariatric nutrition. She has worked with universities, the NFL, and many other organizations to provider evidence based presentations and workshops and one on one consultations. Abby opened Harmony Nutrition in 2018 with the mission of helping people from all walks of life. Harmony Nutrition was founded on the core beliefs that “a body in harmony performs at its best”.

Born and raised in Marietta, Georgia, Abby now lives near her hometown with her husband and three children. A former competitive figure skater, she brings an athlete’s mindset and dynamic energy to every stage. Inspired by her daughter with Down syndrome, Abby is also deeply involved in the special needs community and is passionate about advocacy for children and adults with intellectual disabilities.

Availability

Abby is not currently accepting new patients

Specialties

ADHD, Blenderized Tube Feeds, Celiac, Down Syndrome, FODMAP Diet, Food Allergies, Food Sensitivities, Gut Health, IBD, Overall Wellness, Pediatrics (ages 0+), Polycystic Ovarian Syndrome, Sports Nutrition