Real healing begins with being truly seen.
Root-cause, relationship-centered functional medicine in Chicago, helping you open what’s been blocked and cross back toward health and connection.
What is Functional Medicine?
Functional medicine is a way of practicing medicine that asks why your body is struggling, not just what diagnosis you have. We look at the whole picture — your story, lifestyle, environment, nutrition, stress, and physiology — to uncover the deeper causes of illness and create a path toward real healing.
Instead of chasing symptoms one by one, we look for the patterns connecting them. That means asking better questions, listening more deeply, and finding the root causes that may be keeping you from feeling well.
The root causes we look for:
We look beyond symptoms to uncover the deeper patterns driving illness. That may include food reactions, inflammation, gut dysfunction, hormone imbalance, nutrient depletion, blood sugar issues, chronic stress, toxic burden, infections, , poor sleep, lifestyle factors, genomics, and the unique story that shaped your health over time.
Conditions we help with:
We help patients uncover and address the deeper patterns behind chronic symptoms — especially when they have been told their labs are “normal,” but they still do not feel well. Our care focuses on root-cause evaluation, personalized testing when appropriate, and a whole-person plan designed to restore function, resilience, and long-term health.
We commonly support patients in these areas:
Digestive and gut health — bloating, gas, reflux, constipation, diarrhea, IBS-pattern symptoms, suspected SIBO or dysbiosis, food sensitivities, and post-infectious gut issues.
Hormones and endocrine health — thyroid dysfunction, Hashimoto’s patterns, adrenal and stress-related fatigue, perimenopause and menopause symptoms, PMS or PMDD patterns, testosterone and estrogen balance, and blood sugar or insulin-resistance patterns.
Brain, mood, energy, and sleep — chronic fatigue, brain fog, poor focus, anxiety, stress-related symptoms, low mood, and sleep disruption.
Immune, inflammation, and autoimmunity — chronic inflammation, immune dysregulation, allergy and sinus patterns, autoimmune conditions, and histamine intolerance or mast-cell related patterns.
Chronic infections and complex illness — chronic Lyme and tick-borne illness patterns, recurrent or persistent infections, and complex cases where multiple systems have become dysregulated over time.
Cardiometabolic health and prevention — advanced cardiovascular risk, abnormal lipids, prediabetes, metabolic syndrome, weight resistance, and fatty liver risk factors.
Environmental and detox support — mold and mycotoxin exposure, heavy metals, toxic burden, and impaired detoxification patterns.
Optimization and healthy aging — personalized nutrition, micronutrient support, performance and recovery, prevention, and healthy aging strategies built around your biology.
Peter Kozlowski, MD
Dr. Kozlowski has been practicing functional medicine since 2011 and is known for helping patients make sense of complex chronic symptoms through a root-cause, evidence-informed approach. His clinical focus includes gut health, immune balance, hormones, detoxification, genomics, and the mind-body connection.
Brian Grimaud, DO
Dr. Grimaud brings more than 15 years of critical care experience and a deep commitment to root-cause medicine. His approach combines strong clinical judgment with a whole-person focus on lifestyle, nutrition, environment, and the deeper drivers of chronic illness.
If you’re ready to explore a more personalized, root-cause approach to your health, we’d be honored to connect with you. Whether you’re dealing with long-standing symptoms, looking for deeper answers, or simply wondering if functional medicine is the right fit, our team is here to help.
Please do not include private medical information in this form. Use this space for general questions or to request next steps, and we will follow up with you directly.
We do not accept insurance, please review the Care page for details.