Roi Panupong Tonnaim performing an advanced side plank exercise, demonstrating elite physical conditioning through strategic fasting and training
Certified Fasting & Nutrition Coach

Unlock Your Body's
Hidden Power
Through Fasting

Science-backed fasting protocols, personalized coaching, and proven strategies to help you lose fat, build lean muscle, and activate deep cellular renewal through autophagy — without starving yourself.

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Clients Coached
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Certifications
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Years Experience
Roi Panupong Tonnaim — certified fasting coach and fitness expert performing an advanced exercise
Roi's professional certifications including Precision Nutrition, ACE, and MovNat

Meet Roi Panupong Tonnaim — Your Fasting Authority

With over a decade of experience in health optimization, Roi has helped hundreds of clients transform their lives through the strategic science of fasting. His approach blends cutting-edge research on autophagy and metabolic health with practical, sustainable protocols tailored to each individual's body type, lifestyle, and goals. Roi doesn't believe in quick fixes — he builds lasting habits that rewire your relationship with food, energy, and performance.

Backed by internationally recognized certifications and real-world results, Roi combines deep expertise in nutrition coaching, high-intensity training, and natural movement to create holistic programs that go far beyond simple calorie restriction.

Precision Nutrition Level 1 Certificate in Nutrition & Coaching
ACE Certified Personal Trainer American Council on Exercise
PN CDS — Intermittent Fasting Coaching Dietary Strategies
ASFA HIIT Certification American Sports & Fitness Assoc.
MovNat Certified Trainer L2 Natural Movement Specialist

Three Paths to Your Transformation

Choose the level of guidance that fits your journey — from deep personal mentorship to self-paced learning and reference materials.

1-on-1 Coaching

Your personal fasting roadmap — designed around your body type, metabolism, and lifestyle. Roi works directly with you to build a protocol that delivers real, measurable results with ongoing accountability.

  • Personalized fasting & nutrition protocol
  • Body type analysis (Ectomorph / Endomorph / Mesomorph)
  • Custom macro & portion guidance
  • Weekly check-ins & progress tracking
  • 3-month follow-up support included
Book a Consultation

Online Courses (Podcast)

Learn at your own pace with Roi's in-depth audio lessons. Each episode dives deep into the science of fasting — from intermittent fasting fundamentals to advanced autophagy activation through targeted exercise.

  • Structured lesson playlists by topic
  • Intermittent fasting deep-dives
  • Autophagy & targeted exercise science
  • Metabolic health & body composition tips
  • New episodes added regularly
Listen Now
Intermittent Fasting Protocol by Body Fat Percentage — by Roi Panupong Tonnaim

Books & Guides

Roi's written resources distill years of coaching experience into practical, evidence-based guides. From macro and portion planning to understanding your body's metabolic signals — keep a reference that works when you need it.

  • Macro & Portion Guide for every body type
  • Evidence-based nutrition strategies
  • Practical meal timing frameworks
  • Companion to coaching & course programs

Proven Methods, Real Transformations

Real before & after results from clients following Roi's intermittent fasting protocols and personalized coaching programs.

Client before and after — 2 months of intermittent fasting with visible fat loss results
"2 months of IF and the results are amazing. Thank you for the knowledge and support!"
Coaching Client 2-Month IF Program
Two clients before and after — 6 months of intermittent fasting with resistance training
"6 months of IF combined with resistance training — a life-changing transformation."
IF & Resistance Training 6-Month Program
Client 2-month progress — four transformation photos showing visible body composition improvement
"About 2 months in and the body composition change is incredible. Thank you so much!"
Coaching Client Body Recomposition
Client lifestyle transformation — before and after showing leaner physique and healthier habits
"Completely changed my eating habits and lifestyle. Leaner, more energy, and finally in control."
Lifestyle Transformation IF & Nutrition Coaching
Client dramatic before and after — from overweight to muscular through fasting and training
"From overweight to muscular — Roi's program gave me a completely new body and a new life."
Complete Transformation Fat Loss & Muscle Gain
Two clients showing dramatic lifestyle and physique transformation through fasting coaching
"Not just physical — it changed how I dress, carry myself, and feel every day. Best investment."
Total Life Change Long-Term Coaching

Your Best Body Is
One Message Away

Whether you want to lose stubborn fat, build lean muscle, or understand the science of autophagy — Roi is ready to guide you. Send a message today and take the first step toward the healthiest version of yourself.

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