Integrative Functional Medicine


At Stewarding Life Wellness, we take an alternative approach to medicine and nutrition. Whether you are an athlete looking for improved recovery & performance or you are fighting autoimmune disease, energy deficits, hormone imbalances, digestive issues, and brain fog, please let us help. The body is designed to function well, but can be hindered by multiple factors that lead to dysfunction and finally to disease processes. We want to help you find the areas that are keeping your body systems from optimal performance. This has to be accomplished by looking at the body holistically from a functional viewpoint.  Most medications are not necessarily the enemy but they are rarely the answer.  Consider adding us to your healthcare team to help you find the root cause(s) of your symptoms.

Let food be thy medicine and medicine be thy food.
— Hippocrates


Request an Appointment Online
through our Patient Portal

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Office Information


We are open Monday through Thursday, 9 a.m. to 4 p.m.  

Existing patients may contact us through the secure Patient Portal.

If you have questions about this convenient feature or need help setting up your account, please call or e-mail us.

Stewarding Life Wellness - Integrative Functional Medicine 

118 W. Olive Street
Keller, Texas 76248

Phone: (682) 593-7223
Fax: (817) 886-0274



Functional medicine is about causes, not symptoms. It is getting to the root of the problem.
— Mark Hyman, MD

meet the team

Jake Duncan, PA-C
Functional Medicine Provider and owner

Functional Medicine Provider

Lillie Duncan
Functional Nutritionist
and Owner

Stephanie Hufford

Sammi Dunn

Take care of your body with steadfast fidelity. The soul must see through these eyes alone, and if they are dim, the whole world is clouded.
— Johann Wolfgang Von Goethe