Marienda Nutrition
Madeline Kallgren, RDN, LDN
Registered Dietitian Nutritionist
Chicago-based Registered Dietitian
Performance Nutrition for Sport and Everyday Life.
Virtual Nutrition Care for active adults in Illinois, in-network with Blue Cross Blue Shield of Illinois.
At Marienda Nutrition, I help people build a sustainable, joyful relationship with food so they can feel energized, confident, and resilient in everything they do.
Who This Is For
I work with people who want to:
Fix digestive issues like bloating, IBS-type symptoms, and stomach trouble
Fuel properly for exercise and sport performance
Make peace with food and move away from restriction, guilt, and the diet cycle
Support long-term health with blood sugar, cholesterol, and other risk factors, without crash diets
Why Marienda Nutrition?
My approach is non-diet and weight-inclusive. You won’t get calorie targets used as a punishment, “good” and “bad” food lists, or pressure to change your body. We work on what helps you feel steady, energized, and at ease with eating.
Registered Dietitian Nutritionist · In-network with BCBS of Illinois · Virtual visits
Areas of Focus
Digestive Health
Bloating, IBS, IBD, GERD, celiac disease. We’ll build a plan that supports your gut without unnecessary restriction.
Performance and Sports Nutrition
Fuel your training, recover well, and feel strong in your sport or workouts. I help athletes of all skill levels with fueling strategies, hydration, & race-day nutrition.
Metabolic Health & Prevention
I help with blood sugar, cholesterol, blood pressure, and insulin resistance without all-or-nothing approaches.
Disordered Eating
Move past food rules, guilt, and the diet cycle. My eating disordered informed, non-diet approach helps you rebuild trust with food and your body
Chronic Condition Support
Autoimmune conditions, PCOS, fatty liver disease, iron deficiency anemia, osteopenia. I offer evidence-based, flexible support that works alongside your medical care,