Sarah Lewis, RD

Registered Dietitian. Master's Degree in Dietetics Administration.


Sarah Lewis is a registered dietitian with a B.S. in Dietetics from Kansas State University. She then graduated from Utah State University with a Master's degree in Dietetics Administration.

Sarah is a clinical registered dietitian for a cutting edge clinical laboratory, specializing in diagnostics, the human microbiome and autoimmune disease.

She also runs a private practice in the Kansas City, Missouri area where she specializes in sports nutrition, general weight loss and gut health/autoimmune nutrition.

Sarah got her start in the health and wellness field over 8 years ago as co-owner of Combat CrossFit, the first CrossFit affiliate in Kansas City, Missouri.

After closing CCF, she took on the role of strength and conditioning coach at Warriors Academy, a martial arts school in Kansas City. Sarah also gives multiple seminars annually to a wide range of audiences from gym-goers to corporate entities.

Sarah is an active blogger in the fields of nutrition and fitness. Outside of this, she also holds the rank of Captain in the United States Air Force Reserve as a registered dietitian with the 442nd Fighter Wing at Whiteman AFB, MO.

Articles by Sarah Lewis, RD

22 Healthy Foods That Don’t Spoil Easily

Probiotics and Prebiotics: What’s the Difference?