Meet Our Founders
Darin & Samantha Upchurch
Darin and Samantha "Sam" Upchurch, are the husband-and-wife team behind Advanced Food Intolerance Labs (AFIL) — united by a shared mission: to help people uncover what’s really going on inside their bodies so they can take control of their health with clarity and confidence.
Together, they built AFIL to bridge the gap between frustration and understanding — combining advanced at-home wellness testing approach, with personalized guidance to help you make smarter choices about what you eat, how you live, and how you support your body every day.*
Our Core Beliefs
The foundation of everything we do is built on core scientific principles — nutrition, digestion, nutrient utilization, and the body’s natural detoxification pathways. We focus on how these systems work together to help maintain balance and support overall wellness, with the goal of optimizing how nutrients are absorbed and how the body processes what it doesn’t need.*
Driven by Energy, Science, and You
We’re passionate about bridging emerging wellness science with innovative technology to deliver accessible, insightful, and easy-to-use at-home testing solutions. Our commitment to innovation, client experience, and meaningful impact is at the heart of everything we do.*
Deeper Insights. Smarter Wellness.
We’re driven to make a meaningful difference in health and wellness. Backed by a team of wellness experts, with decades of experience, we’re pioneering a new way to explore what may be influencing the body functions — going beyond surface-level symptom management.
Our mission is to deliver clarity and deeper understanding, empowering people with information that helps them make more informed decisions about their health and long-term well-being.*
Start your health journey
Start your journey toward better health today by taking the first step to a healthier, happier you.
We are here to serve you
Explore our location on the map and reach out to us for personalized wellness solutions. We’re here to guide you every step of the way.United States (HQ)
Advanced Food Intolerance Labs
6316 College BLVD Overland Park, Kansas, USA, 66211