A different way to think about autoimmune wellness - focused on immune regulation, not simply immune suppression.
What Is The FOXP3 Protocol™?
Autoimmune disease involves a breakdown in the immune system's ability to maintain tolerance to the body's own tissues, and it isn't a life sentence of suppression. In 2025, the Nobel Prize in Physiology or Medicine recognized landmark discoveries in peripheral immune tolerance - including the role of regulatory T cells and the FOXP3 gene in helping prevent the immune system from attacking the body's own tissues. The FOXP3 Protocol™ draws on this evolving understanding of immune regulation to form its nutritional and metabolic framework.
Dr. Terry Bragg - 45 Years in Clinical Practice | FOXP3 Institute Certified Practitioner
With 45 years of clinical practice, Dr. Terry Bragg specializes in root cause wellness interventions, dedicated to helping patients live their best lives. He has helped thousands of patients in East Tennessee lose weight over the past decade and has recently expanded his practice to include new wellness interventions for people living with rheumatoid arthritis, Hashimoto's thyroiditis, lupus, multiple sclerosis, Crohn's disease, and other autoimmune conditions. His wellness approach focuses on nutritional and metabolic factors associated with immune regulation, complementing—not replacing—the medical care patients receive from their physicians.
Dr. Bragg is a FOXP3 Institute Certified Practitioner, one of a limited number of clinicians in the country trained to deliver the FOXP3 Protocol, a five-phase nutritional and lifestyle program built on 2025 Nobel Prize-winning research on the FOXP3 gene, regulatory T cells, and autoimmune tolerance.
The Science
Think of Your Immune System as Having an "Off Switch." What Happens When Regulation Breaks Down?
Every immune system needs two things: a way to attack threats, and a way to know when to stop. That second part—the “stand down” signal—is the job of a specific type of cell called a regulatory T cell, or Treg. A gene called FOXP3 plays a critical role in the development and function of regulatory T cells.
When regulatory T cell function is working appropriately, it helps the immune system maintain tolerance to the body's own tissues. When that regulatory process is disrupted, immune tolerance can break down and contribute to autoimmune activity affecting the joints, thyroid, skin, gut, or other tissues.
Many conventional autoimmune treatments focus on modifying or suppressing specific aspects of immune activity. The FOXP3 Protocol™ is built around a different question: what would it take to help support the body's own regulatory systems?
The Framework
Phase
01
IMMUNE PREP
One-Day Transition & Stabilization: A short transition phase that begins preparing your metabolism for what comes next while introducing the foundational Core 5 supplements.
Phase
02
FOXP3 Activation
40-Day Metabolic Induction: The core of the protocol—a structured, personalized nutrition phase designed to create the specific metabolic state associated with FOXP3 signaling and Treg development. This is the most demanding phase and the one that cannot be shortened.
Phase
03
Regulation Reset
3-Day Testing — Autonomous Function: A brief phase designed to check whether the metabolic changes from Phase 2 can begin holding on their own, rather than staying dependent on continued support.
Phase
04
Metabolic Rebuilding
21+ Day Sustainable Capacity: Calories and food variety gradually increase as the body rebuilds toward a sustainable, long-term way of eating — moving out of a restrictive state without losing the ground gained in Phase 2.
Phase
05
Tolerance Expansion
Ongoing Maintenance & Personalization: Foods are reintroduced gradually to see how much flexibility your body can maintain while holding onto the regulation built during the earlier phases — personalized to your life, long-term.
Minimum framework duration: approximately 65 days. Timelines and individual protocols are personalized during your consultation.
This is a serious, structured commitment, not a quick fix. We’d rather you know exactly what it involves before you start than be surprised partway through.
This May Be a Fit If You’re…
Willing to follow all five phases in sequence, without shortcuts
Prepared for real structure, especially during the more demanding Phase 2
Willing to keep your prescribing physician involved
Looking for a long-term lifestyle shift, not a 30-day fix
Ready to track your experience and communicate openly along the way
This May Not Be Appropriate For…
Pregnant or nursing women
Children under 18 without specialized pediatric medical supervision
Individuals with an active eating disorder
Anyone unwilling to work alongside their healthcare provider
Those with certain severe metabolic conditions requiring specific medical dietary management
Designed to Work Alongside Your Medical Care
The FOXP3 Protocol™ is a nutritional and lifestyle wellness program, not a medical treatment, and it is not intended to diagnose, treat, cure, or prevent any disease. It’s designed to work alongside your physician and your current medications—never as a substitute for either. Do not stop, reduce, or modify any prescription medication without the explicit direction of your prescribing physician.
Ready to find out if the FOXP3 Protocol is right for you
Talk to Dr. Bragg - Your $79 private consultation is the first step in determining whether the FOXP3 Protocol™ is appropriate for your specific situation.
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