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Advanced Functional Lab Testing

Discover the power of data-driven care. Our advanced functional lab testing helps uncover root causes, guide personalized nutrition plans, and support long-term wellness.

What is Advanced Functional Lab Testing?

Advanced functional testing goes beyond traditional labs to evaluate how your body is functioning at a deeper level. These labs help identify nutrient deficiencies, hormonal imbalances, digestive dysfunction, inflammation, and more — often before symptoms become chronic.

Unlike conventional lab work that screens for disease states, functional labs measure subtle changes across your body’s systems. This allows our providers to design a personalized care plan based on your unique biochemistry, lifestyle, and goals.

Advanced Functional Lab Tests

Our advanced functional lab testing options help identify deeper patterns across digestion, hormones, metabolism, genetics, inflammation, and nutrient status. These insights allow our team to personalize recommendations with greater precision and connect symptoms to their possible root causes.

Explore the available testing options below. Your provider will help determine which labs are appropriate based on your health history, goals, and clinical needs.

Hydrogen Breath Testing

The hydrogen breath test checks for sugar intolerance or SIBO by measuring breath gases after drinking sugar.

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Genetic Testing

Nutrigenetics uses SNPs to tailor nutrition plans based on your genes, improving health and lowering disease risk.

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Hormone Testing

Subclinical thyroid, adrenal, and hormone dysfunction cause various symptoms, often unaddressed by conventional providers.

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Food Sensitivity / Intolerance Testing

AFRs fall into 2 categories: immune-mediated (allergies, sensitivities) and non-immune mediated (intolerances due to enzyme deficiency).

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Metabolic Testing (Indirect Calorimetry)

Our Metabolic Rate Testing with Breezing Pro accurately measures RMR, serving professional athletes better with deeper respiration.

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Microbiome / Stool Analyses / GI Map

The gut's trillions of microbes support digestion, immunity, and emotional health by aiding metabolism and protecting the gut.

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Advanced Nutrition & Metabolic Testing

Assess the functional need for antioxidants, B-vitamins, minerals, digestive support, fatty acids, amino acids, and other key nutritional biomarkers.

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Quest Diagnostics Lab Testing

Accessing vital tests can sometimes be challenging. We're here to bridge the gap and provide you with the essential lab services you need to take control of your health.

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Looking for Something Else?

Our Functional Medicine Programs highlight some of the most popular and transformative pathways we offer. However, they represent just a portion of the comprehensive care available through our practice. Many clients benefit from individualized support for a wide range of health goals and wellness needs.

To see more of what we support through nutrition, explore our Medical Nutrition Therapies.

Copyright © 2012–2025 Buffalo Nutrition & Dietetics, PLLC. All rights reserved.

Copyright © 2012–2025 Buffalo Nutrition & Dietetics, PLLC. All rights reserved.

Copyright © 2012–2025 Buffalo Nutrition & Dietetics, PLLC. All rights reserved.