LEAP Diet Phases

The LEAP Diet Protocol: A Complete Guide to the Elimination Diet That Works

The LEAP (Lifestyle Eating and Performance) protocol is a clinically-designed elimination diet built on your personal MRT test results. Unlike generic elimination diets that remove entire food groups blindly, LEAP uses your individual immune data to create a precise, phased eating plan — keeping foods your body tolerates while eliminating only the specific substances causing inflammation.

Developed by Oxford Biomedical Technologies and administered by Certified LEAP Therapists (CLTs), the protocol has helped thousands of patients resolve chronic migraines, IBS, skin conditions, and autoimmune symptoms by identifying and removing their unique dietary triggers.

How the LEAP Protocol Works

The LEAP diet is divided into three carefully structured phases, each guided by your MRT 176 Panel results:

Phase 1: The ImmunoCalm Diet (Days 1-14)

The ImmunoCalm phase is the foundation of LEAP. During this critical first phase:

• You eat ONLY from your lowest-reactive Green foods — typically 20-25 items
• All Yellow and Red foods are completely eliminated
• Chemical additives, preservatives, and dyes are removed
• The goal is to achieve a measurable reduction in systemic inflammation within 10-14 days

Most patients notice significant symptom improvement within the first 7-10 days. Common early improvements include reduced bloating, fewer headaches, better sleep quality, and improved mental clarity.

Phase 2: Systematic Reintroduction (Weeks 3-8)

Once your baseline symptoms have calmed during ImmunoCalm, your CLT guides you through a structured reintroduction:

• One new food is introduced every 72 hours — the time window for delayed reactions to appear
• You start with your remaining Green-rated foods, then move to Yellow-rated foods
• Each food is consumed in isolation so any reactions can be clearly attributed
• Symptom tracking identifies foods that cause flare-ups during reintroduction
• Your CLT adjusts the plan based on your real-world response

The 72-hour window is critical. Many food sensitivity reactions are delayed — a food eaten on Monday may not trigger symptoms until Wednesday. This is why generic elimination diets often fail: without precise timing, patients can’t identify which food caused the reaction.

Phase 3: Long-Term Maintenance

After completing reintroduction, you’ll have a clear picture of your personal food landscape:

• Safe foods — Your expanded list of tolerated foods for daily eating
• Rotation foods — Yellow-zone foods you can eat occasionally (every 3-4 days)
• Avoided foods — Red-zone reactive foods that remain eliminated
• Re-testing — Some practitioners recommend re-testing after 6-12 months, as sensitivities can change

What is a Certified LEAP Therapist (CLT)?

A Certified LEAP Therapist is a registered dietitian, nutritionist, or healthcare professional who has completed advanced training in the LEAP protocol and MRT interpretation. CLTs are certified by Oxford Biomedical Technologies and are the only practitioners authorized to administer the full LEAP program.

Your CLT provides:

• Personalized meal planning based on your MRT results
• Guidance through each phase of the elimination protocol
• Symptom tracking and food reaction analysis
• Recipe suggestions and practical eating strategies
• Ongoing support via phone, video, or in-person consultations

→ Find a Certified LEAP Therapist near you

Conditions Treated with LEAP

The LEAP protocol has demonstrated clinical effectiveness for a range of chronic conditions:

LEAP vs. Other Elimination Diets

Getting Started with LEAP

1. Get your MRT test — Learn about MRT testing and find a blood draw location near you
2. Connect with a CLT — Find a Certified LEAP Therapist to guide your protocol
3. Check your foods — Browse our database of 20,000+ product assessments to see which foods contain MRT-tested triggers

Frequently Asked Questions

How long does the LEAP diet take?

The full protocol typically takes 6-12 weeks: 2 weeks of ImmunoCalm, 4-8 weeks of reintroduction, then ongoing maintenance. Most patients see significant improvement within the first 10-14 days.

Is the LEAP diet restrictive?

Phase 1 (ImmunoCalm) is temporarily restrictive — you eat from approximately 20-25 safe foods. However, the diet quickly expands during Phase 2 as you reintroduce tolerated foods. The long-term maintenance plan is far less restrictive than protocols like AIP or Whole30 because it only removes YOUR specific triggers.

Can I do LEAP without a CLT?

While you can read your MRT results independently, working with a Certified LEAP Therapist significantly improves outcomes. CLTs are trained to interpret complex reaction patterns, manage multi-sensitivity cases, and navigate the reintroduction process safely.

What is the ImmunoCalm diet?

ImmunoCalm is the name for Phase 1 of the LEAP protocol. It is a hypo-inflammatory eating plan using only your safest (Green-rated) MRT foods to rapidly calm immune system overactivation and establish a symptom-free baseline.