Mary Katherine Brennan

Mary Katherine Brennan

MS, RDN, LDN
5.00
(16)

Specialties

  • Cancer
  • Diabetes or prediabetes
  • General health
  • GERD / Acid reflux
  • Gut health
  • Heart health
  • Help gaining weight
  • Help losing weight
  • Kidney disease
  • Liver disease
  • Nutrition support
  • Sports & performance nutrition
  • Tube feeding (EN)

Approaches

  • 🥘

    Meal planning
  • Weight-neutral
  • 🏃

    Exercise
  • 🤝

    Accountability

Identifies as

  • Female

Minimum patient age

18 years old

About Mary Katherine

Hi! I’m Mary Katherine, a registered dietitian based in Raleigh, North Carolina. I have three years of experience in clinical and hospital settings, where I've learned how nutrition touches every part of life. My science-focused education guides my approach, and my empathetic, warm style makes our conversations feel safe and collaborative. When I’m not with patients, I love walking my dog Rosie, practicing pilates, baking, reading, needlepointing, and traveling. I’m here to help you nourish your health with confidence and enjoyment.

Approach to care

My care philosophy is simple and collaborative: we’ll work together, guided by evidence-based practices and your goals, toward lasting health without judgment. I value clear, actionable steps, thoughtful education, and a holistic view that honors mental, emotional, and physical well-being. I practice from a weight-neutral perspective, focusing on sustainable habits rather than diets that feel restrictive. You’ll have support, accountability, and a plan that fits your life as we learn what works best for you.

Your first session with Mary Katherine

Our first appointment is a warm, no-pressure conversation about you. We’ll review your medical history, daily routines, and relationship with food, and together we’ll set short-term goals that feel doable. You don’t need to have it all figured out; this meeting is about understanding what matters most to you and how we can support you. I’ll listen with empathy, share science-based guidance in plain language, and we’ll outline small steps to start in the coming weeks.

Location

📍 Raleigh, North Carolina

Education

Masters of Science in Nutrition Science

Hobbies

Walking my dog Rosie, pilates, baking, reading, and needlepointing!

Licenses and Certifications

LDN - Licensed Dietitian Nutritionist

MS - Master of Science

RDN - Registered Dietitian Nutritionist

Worry free booking

It’s free to cancel up to 24 hours before your appointment