HIIT5 Performance - FDA-Approved Semaglutide Protocol

Lose 15% Body Fat in 12 Weeks: Illinois' Only Medically Supervised Semaglutide + HIIT Program

Experience the revolutionary combination of GLP-1 medication and high-intensity interval training—preserving muscle while maximizing fat loss under expert guidance.

Schedule Your Free Assessment
Limited Availability

Only 3 New Client Spots This Month

Scott Hejna, Certified Trainer

Medical Supervision
NASM Certified
22+ Years Experience

The Science Behind Our Dual-Action Protocol

Why Semaglutide + HIIT Outperforms Traditional Weight Loss Methods

Semaglutide: GLP-1 Receptor Activation

Semaglutide mimics GLP-1 hormones to delay gastric emptying and reduce hypothalamic hunger signaling, enabling a 20-30% caloric deficit without cravings. This FDA-approved medication creates a metabolic environment primed for fat loss while preserving lean tissue.

  • Reduces hunger signals from your brain
  • Slows digestion, keeping you fuller longer
  • Creates sustainable caloric deficit without willpower
  • Average weight loss: 15-20% of body weight

HIIT: Excess Post-Exercise Oxygen Consumption

When paired with our HIIT5 protocols—designed to spike post-exercise oxygen consumption by 15%—clients achieve synergistic fat oxidation while maintaining metabolically active muscle tissue, resulting in sustainable body composition change.

  • Burns calories for up to 48 hours post-workout
  • Preserves muscle mass that other diets sacrifice
  • Improves insulin sensitivity for better nutrient partitioning
  • Increases metabolic rate by 10% on average

The Synergistic Effect: 1+1=3

When combined, HIIT training and Semaglutide create a metabolic environment that maximizes fat loss while preserving lean muscle mass—something neither intervention can achieve alone with the same efficiency. Our DEXA scan results show a remarkable 94% fat-to-lean mass loss ratio versus industry averages of 70%.

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Your Path to Transformation

A Clear, Medically-Supervised Process from Initial Consultation to Measurable Results

Comprehensive Health Assessment

Your journey begins with a thorough health evaluation, including vital biomarkers, body composition analysis, and medical history review by our clinical team. This allows us to customize your GLP-1 dosage and exercise protocol for maximum safety and efficacy.

Medication & Protocol Onboarding

Receive your personalized Semaglutide protocol, administered under medical supervision. Your dosage is carefully calibrated to minimize side effects while maximizing appetite regulation. Simultaneously, you'll be introduced to your custom HIIT protocol, designed to complement the medication's effects.

Weekly Metabolic Monitoring

Unlike standard weight loss programs, we track more than just weight. Our weekly metabolic monitoring includes body composition analysis, metabolic rate assessment, and nutritional compliance review to ensure you're losing fat—not muscle—and progressing steadily toward your goals.

Progressive HIIT Training

Participate in professionally designed HIIT workouts, precisely timed to coincide with your medication's peak effectiveness. Your training schedule is progressive, adapting as your fitness improves and your body composition changes, ensuring continuous results without plateaus.

Nutrition & Lifestyle Integration

Receive personalized meal plans that maximize the effects of both Semaglutide and HIIT training. Our nutrition protocols emphasize protein adequacy and micronutrient density to support muscle preservation and metabolic health during rapid fat loss phases.

Beyond Weight Loss: Total Health Transformation

Why Our Clinical-Grade Approach Delivers Superior Results

Accelerated Fat Loss

Our protocol creates a 20-30% caloric deficit without hunger, enabling rapid fat mobilization while our HIIT training ensures this deficit targets adipose tissue—not muscle.

Metabolic Recalibration

Unlike traditional diets that slow metabolism, our combination approach preserves or even increases basal metabolic rate, preventing the rebound effect common in weight loss programs.

Reduced Cravings

Semaglutide directly impacts brain regions controlling hunger and reward, eliminating food obsession while exercise-induced endorphins provide natural satisfaction without food triggers.

Cardiovascular Resilience

Beyond aesthetics, our protocol significantly improves heart health markers, with average reductions of 15% in LDL cholesterol and 20% in triglycerides, plus improved blood pressure regulation.

Medical Supervision

Unlike typical weight loss programs, every aspect of your journey is medically monitored, ensuring safety and maximizing efficacy through precise medication management and exercise prescription.

Long-Term Sustainability

We don't just help you lose weight—we rewire your metabolism and neural pathways for sustained results. Our maintenance protocol ensures 94% of clients maintain their results long-term.

See How Our Protocol Works

Scott explains the revolutionary HIIT5 Semaglutide Protocol

Video thumbnail showing Scott Hejna explaining the HIIT5 Semaglutide Protocol
"If you don't make the change today, you're going to be in the same place next year." - Scott Hejna

Clinically Verified Transformations

Documented Results from HIIT5 Performance Clients

Before and after transformation photos of Colleen showing significant weight loss

Colleen's Journey

Struggled with weight fluctuations for years until finding our medically supervised protocol. Maintained all lean muscle mass during her transformation.

47 lbs

Total Weight Loss

43 years

Age

12 Weeks

Protocol Duration

Before and after transformation photos of Paige showing significant weight loss

Paige's Success

After struggling with obesity for a decade, our semaglutide + HIIT protocol helped Paige achieve dramatic results while improving metabolic markers.

75 lbs

Total Weight Loss

38 years

Age

24 Weeks

Protocol Duration

Before and after transformation photos of Eric showing significant body composition change

Eric's Transformation

Eric tried multiple diet plans without success before discovering our medically supervised protocol. Reduced visceral fat while gaining lean muscle.

20+ lbs

Total Weight Loss

52 years

Age

8 Weeks

Protocol Duration

Before and after transformation photos of Tressa showing significant weight loss

Tressa's Journey

Tressa had tried numerous weight loss programs before finding our medical protocol. Achieved 92% fat-to-lean tissue loss ratio with significant metabolic improvements.

45 lbs

Total Weight Loss

41 years

Age

16 Weeks

Protocol Duration

These results are typical with proper adherence to our protocol. Results may vary based on individual factors. All clients shown received medically supervised care.

What Our Clients Say

Real People, Real Medical Transformations

Michael R., a client who lost 34 pounds in 16 weeks

"As a Type 2 diabetic, I lost 18% visceral fat while maintaining muscle—something no other program offered. My A1C dropped from 7.4 to 5.9, and my doctor reduced my medications by half. This isn't just weight loss; it's life-changing medical improvement."

Michael R., 52

Lost 34 lbs in 16 weeks

Jennifer T., a client who lost 22 pounds in 12 weeks

"I tried other GLP-1 programs but lost too much muscle along with fat. Scott's protocol completely changed that equation. I dropped 22 pounds of pure fat while actually gaining 3 pounds of lean muscle. The medical supervision made all the difference in dosing and timing."

Jennifer T., 45

Lost 22 lbs in 12 weeks

David M., a client who lost 42 pounds in 16 weeks

"HIIT5's protocol eliminated the worst side effects I experienced with Semaglutide alone. Their nutritional approach and workout timing completely eliminated the nausea and fatigue I initially experienced. I've never felt better while losing weight—and I've kept it off for 8 months now."

David M., 58

Lost 42 lbs in 16 weeks

Scott Hejna, founder of HIIT5 Performance and Semaglutide Protocol Specialist

Meet Your Expert: Scott Hejna

NASM Certified Trainer & Semaglutide Protocol Specialist

With over 22 years in elite fitness training and specialized certification in medical weight management, Scott Hejna has pioneered the integration of GLP-1 receptor agonist protocols with high-intensity interval training methodologies.

After observing the limitations of both pharmaceutical interventions and traditional exercise approaches when used in isolation, Scott developed the HIIT5 Performance system to address the critical gap in current weight management paradigms: the preservation of lean muscle tissue during rapid fat loss phases.

His evidence-based approach has been featured in leading fitness publications and has helped hundreds of clients achieve transformative results that extend beyond aesthetics into meaningful health improvements.

NASM Certified
GLP-1 Protocol Specialist
500+ Success Stories
Metabolic Health Expert

If you don't make the change today, you're going to be in the same place next year.

— Scott Hejna
Scott Hejna working with clients at HIIT5 Performance

Frequently Asked Questions

Everything you need to know about our Semaglutide + HIIT Protocol

Semaglutide is an FDA-approved GLP-1 receptor agonist that works by mimicking the incretin hormone GLP-1, which is naturally produced in your intestines. It works through multiple mechanisms:

  • Slows gastric emptying so you feel fuller longer
  • Reduces hunger signals in the hypothalamus region of your brain
  • Decreases the reward/pleasure response to high-calorie foods
  • Improves insulin sensitivity, helping your body better utilize nutrients

This creates a sustainable caloric deficit without the intense hunger or cravings that typically sabotage diet efforts. When combined with our HIIT protocol, it creates an optimal environment for preserving muscle while maximizing fat loss.

Yes, our program is fully medically supervised. Before starting, each client undergoes comprehensive health screening, including:

  • Complete blood panel to assess metabolic health
  • DEXA scan for accurate body composition analysis
  • Medical history review to identify contraindications
  • EKG for clients with cardiovascular risk factors

Throughout the program, our medical team monitors your progress with regular check-ins, dosage adjustments as needed, and continuous oversight of your response to both the medication and exercise protocols. This medical supervision is what sets our program apart from generic weight loss approaches.

Clinical data combined with our program results show that clients typically lose:

  • 5-10% of body weight in the first 4-8 weeks
  • 10-15% of body weight by week 12
  • 15-20% of body weight for those completing the full 24-week protocol

However, what's more important than total weight loss is body composition change. Our clients average a 94% fat-to-lean tissue loss ratio, meaning almost all weight lost is fat, not muscle. This is significantly better than the 70-75% ratio seen with diet and cardio alone, which preserves long-term metabolic health and prevents rebound weight gain.

Unlike most Semaglutide programs that focus solely on medication management, our comprehensive approach includes:

  • Strategic Exercise Timing: We schedule HIIT workouts to coincide with peak medication efficacy, maximizing fat mobilization.
  • Protein-Prioritized Nutrition: Our meal protocols maintain higher protein intake (1.6-2g/kg) to prevent muscle loss during rapid fat reduction.
  • Comprehensive Monitoring: Weekly body composition analysis (not just scale weight) ensures you're losing fat, not muscle.
  • Side Effect Management: Our nutrition and exercise timing significantly reduces common GLP-1 side effects like nausea and fatigue.
  • Metabolic Preservation: The HIIT component maintains or increases resting metabolic rate, preventing the slowdown typically seen in caloric restriction alone.

This synergistic approach delivers superior results compared to medication-only programs, with better long-term outcomes and fewer side effects.

No prior fitness experience is required. Our program is designed to meet you exactly where you are in your fitness journey. We work with clients of all fitness levels, from complete beginners to experienced athletes.

Your program will be completely customized based on your current fitness level, medical history, and personal goals. Our approach gradually builds intensity as your fitness improves, ensuring you're always appropriately challenged without being overwhelmed.

Many of our most successful clients had little to no fitness experience before joining. The combination of professional coaching and medication support creates an ideal environment for beginners to thrive and see dramatic results.

Like any medication, Semaglutide can cause side effects, though our protocol is designed to minimize these:

  • Common but Mild: Nausea, constipation, diarrhea, or mild fatigue (typically resolve within 2 weeks)
  • Less Common: Headache, dizziness, or taste changes
  • Rare but Serious: Digestive issues, gallbladder concerns, or allergic reactions

Our medical team employs several strategies to minimize side effects:

  • Graduated dosing protocol that starts low and increases slowly
  • Strategic meal timing and composition to reduce gastrointestinal effects
  • Specific hydration and electrolyte protocols
  • Exercise timing optimized to counter fatigue and enhance energy

Most clients experience minimal side effects, and our approach has shown a significant reduction in reported side effects compared to standard protocols.

Begin Your Transformation Today

Schedule your complimentary assessment with Scott Hejna and discover if our medically supervised Semaglutide + HIIT protocol is right for you.

Comprehensive Health Assessment

Full body composition analysis and health screening to establish your baseline and identify your optimal protocol.

Personalized Protocol Review

Detailed explanation of your customized Semaglutide + HIIT program tailored to your specific metabolic profile and goals.

Custom Program Roadmap

Clear timeline of your transformation journey with specific milestones and expected outcomes at each phase.

Program Investment Overview

Complete breakdown of program options customized to your specific needs and transformation goals.

Limited Availability

Scott accepts only 3 new clients per month to ensure personalized attention and optimal results.

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Body Composition Analysis
Personalized Protocol

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Expert guidance on Semaglutide, HIIT training, and sustainable weight management strategies for Illinois residents