5 Best Dietitians in Houston (2026)

Chews Food Wisely Functional Dietitians & Nutritionists is a Houston practice built around functional nutrition, with a particular focus on thyroid conditions, Hashimoto's, PCOS, and blood-sugar issues. The team works with clients on micronutrient testing, gut and stool analysis, and hormone panels to build a plan around a person's labs and daily life rather than a generic diet sheet. Sessions run in person or over Zoom, and the practice is built for clients who feel like they've been told their labs are 'normal' but still don't feel well.

Peak Performance Nutrition is a Houston coaching practice run by a registered dietitian nutritionist, with a focus on sports performance, muscle gain, and weight-loss plateaus for both adult and teen athletes. The site walks through the difference between a dietitian and a nutritionist, and the practice leans on evidence-based, data-driven plans rather than one-size-fits-all templates. Reviews mention work with hikers, high-school athletes, and clients training for endurance events.

Houston Family Nutrition, led by dietitian Moe Schlachter, covers nutrition counseling, diabetes management, and culinary coaching for families in Montrose. The practice offers a comprehensive initial assessment followed by ongoing sessions, and reviewers describe long-running relationships that go back years, including former interns who trained under the team. It handles both adult and pediatric nutrition concerns, from picky eaters to chronic condition management.

Megan Davies is a registered dietitian nutritionist practicing in Houston through Fay Nutrition, offering both video and in-person appointments. Her specialties listed include diabetes, PCOS, celiac disease, kidney disease, cancer and oncology nutrition, and general weight loss, and the practice accepts insurance with an online estimate tool before booking. Reviewers frequently mention being referred by their primary care physician for a specific medical nutrition need.

TeleSlim Clinic is a Houston-based telemedicine practice led by Dr. Diala Alatassi, a physician dual board-certified in internal medicine and obesity medicine, offering remote consultations, GLP-1 medication management, and personalized exercise guidance across Texas. The clinic focuses on genetics-informed weight-loss planning alongside prescription options like GLP-1 and GIP medications. Everything is done virtually, which reviewers say suits people with tight schedules across the Houston area.