Your symptoms, history, functional testing, and environment are interpreted together to uncover your personal drivers — and create a clear path to rebuilding your health.
Katka Gazdik Functional Diagnostic Nutrition Practitioner MSc Neuroscience · BSc Cell & Molecular Biology
When your symptoms don't fit neatly into one system, neither should your health investigation. R.E.A.L.M. connects five areas—root causes, environment, assessment, lifestyle, and metabolism—to help me organize your case, identify priorities, and adapt your plan as your needs change.
What your body is carrying on the inside: stored heavy metals and chemicals, mycotoxin load, infections and overgrowth of pathogenic organisms, immune dysregulation, viral and post-viral inflammatory patterns, mineral imbalances, and an immune and nervous system that have become primed to overreact.
What is still coming in from the outside: water damage and mold, chemicals, EMF, food triggers, light, your sleep environment and stress load.
How the two connect: functional labs read alongside your history, symptoms and timeline, as patterns across systems rather than single numbers.
Real-life structure you can actually implement: nutrition, sleep and circadian rhythm, nervous system regulation, light and movement, all matched to your current capacity.
Targeted support for your internal terrain, guided by your labs: minerals, hormones, gut and microbiome, barrier repair, immune balance, blood sugar, detox pathways and mitochondria.
Every journey starts with a free 30-minute discovery session. From there we pick the path that fits — the 3-month Foundation program, a custom-built protocol, or a full health investigation.
Start here · Free · 30 min
A 30-minute conversation about your health history, your symptoms and what hasn't worked so far. You'll see how functional testing and a personalized plan could help, and we'll talk through investment for the path that fits.
The Foundation Package is a 3-month program built on four core assessments read together: hair tissue mineral analysis, gut microbiome and pathogen testing, an organic acids test, and a functional blood chemistry review. Includes a personalized protocol and regular check-ins.
Free Initial Discovery Session included
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Comprehensive functional lab testing, selected after I review your history, symptoms and previous labs, and tailored to your biochemistry. Includes check-ins every 2–3 weeks and a custom-designed protocol with step-by-step guidance built specifically around your history, symptoms, and results.
Free Initial Discovery Session included
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For complex, chronic cases that have been resistant to healing, when you've tried many things and seen many practitioners. I start with a thorough investigation of your past labs, history, and symptoms and build a health chronology to see where and why healing has stalled. Then comes systems mapping: the testing needed to understand what is really happening in your body. Together, we address the hidden stressors, imbalances, and exposures driving the dysfunction.
Free Initial Discovery Session included
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A stool test that assesses microbiome balance, selected pathogens, inflammation and digestive function markers. Results are read alongside your symptoms and history.
Measures mineral and trace-element patterns in hair, including toxic elements, reflecting the past few months. I interpret the results alongside blood work, symptoms, diet and exposure history.
A urine test that measures hormones and their metabolites. It shows your cortisol rhythm and stress response, sex hormone production and metabolism, and organic acid markers for B12, neurotransmitters, inflammation and common hormone disruptors.
A blood panel of selected markers related to brain chemistry and inflammation, used to add context in neuroinflammatory presentations.
A broad urine-based assessment of selected mycotoxins, heavy metals, pesticides and environmental chemical metabolites. Results are interpreted alongside your exposure history and other findings.
A urine test of organic acids related to energy metabolism, nutrient and neurotransmitter pathways, detoxification, and selected yeast, fungal and bacterial by-products. I read the patterns alongside your history to see where to look further.
Looks for trends and relationships in routine blood work that may point to areas needing nutritional or lifestyle support, even when individual values fall within conventional reference ranges.
A blood test that measures vitamins, minerals, amino acids, fatty acids and antioxidants both in the serum and inside the cells. Comparing the two shows what is circulating and what is actually reaching the cells. I read the results alongside your other testing, symptoms and history.
Depending on the person, IgE, IgG and/or IgA testing for reactivity to specific foods.
Genetic-based testing that evaluates how your body processes nutrients, metabolizes toxins, and responds to dietary and lifestyle factors. It helps tailor nutrition, detoxification support, and supplementation strategies based on your unique genetic blueprint to optimize health outcomes.
Selected systemic or neuro-immune antibody markers, chosen based on your history. Results can show immune activity worth addressing, sometimes before symptoms have fully developed.
Measures selected neurotransmitters and related metabolites in urine, giving context for mood, focus, sleep and stress. I read them alongside your symptoms and other findings.
Mold illness assessment using targeted biomarkers.
Comprehensive screening for Borrelia (Lyme disease), Babesia, and Bartonella using advanced molecular diagnostics and antibody detection. These tick-borne infections often present with overlapping symptoms including chronic fatigue, brain fog, joint pain, and neurological symptoms that can mimic other conditions. Depending on the assay, testing may provide evidence of organism exposure, immune response, or detectable microbial material. Results are interpreted alongside symptoms and history to guide appropriate functional support.
Here is how the work typically unfolds.
I'm Katka Gazdik — MSc Neuroscience, BSc Cell & Molecular Biology, and a Functional Diagnostic Nutrition Practitioner. My work lives at the intersection of advanced biochemistry and compassionate, personalized care.
My own health story began with childhood mold exposure and grew, over the years, into a complex web of mast cell reactivity, gut dysfunction, parasitic infection, sinus overgrowth, hormonal disruption and nervous system sensitization. Lived experience and training in neuroscience and cell biology taught me to read symptoms as interacting systems rather than isolated problems, and that is how I approach every case.
If you've been told "everything looks fine" but you still don't feel like yourself, you're in the right place.Read the full story →
Verbatim Google reviews. 5.0 average across 8 reviews.
"For nearly three years, I went from doctor to doctor trying to figure out what was wrong… Then I found Katalyst, and everything changed. For the first time, I felt heard, believed, and understood… After only about four months, I started feeling like myself again, something I honestly wasn’t sure would ever happen. And we aren’t even finished yet!"
"Kat and I met in a functional health program and I knew the minute I met her that she was going to change the 'game' in the functional space. Her eye for detail and interconnectivity in body systems and biochemical pathways is unmatched even now, years later, having worked with some of the top medical and non-medical professionals in the industry."
"After a long and exhausting journey trying to find answers for his PANS symptoms, we finally found someone who truly listened. The changes we've seen in my son are nothing short of incredible — he's been able to completely stop his ADHD medication, something I never imagined possible."
"I've been chronically ill for the past 11 years. Since beginning to work with Katka, I've made more progress and uncovered more answers about my health than I had on my own over the past decade of painstaking self-experimentation and research."
"As a last resort measure, I consulted with Kat. About three months into the protocol my issue basically entirely resolved — I couldn't believe it. She knows the precise cellular mechanisms that underlie her protocols, and can explain them to you."
"After getting crazy sick without explanation and getting zero help from conventional doctors I was referred to Katka who did an amazing job figuring out what was going on with my health on a cellular level and putting together an amazing eradication plan to clean out my body and get my energy and health back! I highly recommend Katka at Katalyst Health — she knows what she's talking about!!!"
"I am a 77 year old, and over the past two years I started to feel increasingly lethargic and was gaining weight. All my life I have been active, adventurous, and full of ideas, but recently I found myself dragging through the days — feeling bloated, tired, and sleeping far too much. Then Katka Gazdik ran comprehensive tests to determine what my body was lacking in vitamins and minerals, as well as identifying my food sensitivities. Following her expert advice and personal guidance, my energy levels and digestion improved noticeably within three months. After continuing with the prescribed diet and protocol, I can honestly say I feel great again — energetic, clear-headed, and back to my old self. I am deeply grateful for Katka's knowledge, professionalism, and caring approach. I highly recommend Katalyst Health to anyone looking to restore their vitality and well-being."
"I can't recommend Katka enough! After my knee surgery (MACI + TTO), I was stuck in a frustrating cycle of pain and inflammation that just wouldn't quit despite months of physical therapy. Katka ran comprehensive testing — food sensitivity, gut biome, bloodwork, and genetics — and created a personalized plan with diet changes and custom supplements. Within 3 weeks, my knee pain and inflammation were GONE. I was honestly shocked. All that physio with minimal results, and then I remove some trigger foods and add the right supplements, and the pain just disappears? The bonus? I've lost weight, have way more energy, and my family says I'm way less grumpy. 😊 Katka's approach is thorough, science-based, and actually works. If you're dealing with stubborn issues that conventional approaches aren't solving, give her a call. She's the real deal."
Start with a free 30-minute Initial Discovery Session: a real conversation about your health history, current concerns, and whether we're the right fit.