Theresa Zangerle-McArtin, RD, CDN

Eating Disorders | Metabolic Health | Functional Nutrition

Theresa Zangerle-McArtin, RD, CDN is a Registered Dietitian Nutritionist who is passionate about helping individuals build healthier relationships with food, movement, and their bodies. She believes that health looks different for everyone and approaches nutrition with compassion, curiosity, and evidence-based care tailored to each person’s unique needs.

Throughout her career, Theresa has worked with individuals navigating eating disorders, disordered eating, metabolic health concerns, diabetes, gastrointestinal conditions, autoimmune disease, polycystic ovary syndrome (PCOS), and weight management challenges.

She helps clients move away from guilt and restriction while developing sustainable habits that support both physical and emotional well-being. By integrating evidence-based nutrition with functional nutrition principles, Theresa works alongside her clients to identify root causes, overcome barriers to health, and create realistic strategies that fit their lifestyles.

Theresa is committed to providing individualized care that empowers clients to improve metabolic health, restore their relationship with food, increase energy, and achieve lasting wellness. She believes meaningful change comes from meeting people where they are and supporting them with practical, achievable steps that build confidence over time.

From a personal perspective, Theresa is a wife and mother of three who understands the challenges of balancing health goals with the demands of everyday life. She enjoys spending time with her family, creating new recipes, and growing fruits, vegetables, and herbs in her backyard greenhouse and garden.

As an avid runner and fitness enthusiast, she values the connection between movement, nutrition, and overall well-being. Theresa believes food should be both nourishing and enjoyable, and she is dedicated to helping others create lasting habits that support a healthy, balanced, and fulfilling life.