Transformation · Coach Jay
Jay and his team are the best in the business! I’m 3 months into my 6 month transformation program, and am already talking about renewing. From an experience perspective, Jay and his team’s methodologies are based in dat…
163+ five-star reviews
Your
transformation is Inevitable.
Toronto's only gym where trainers are paid on your results — not by the hour. 40+ metrics tracked. Assessment-first. No guesswork.
Arzadon Fitness is a data-driven personal training gym in King West, Toronto. Transformation programs covering fat loss, muscle building, body recomposition, and athletic performance — each tracked across 40+ metrics per client and delivered by trainers paid on your outcomes, not hours.
Since 2017, 350+ clients have completed measurable transformations under Jay Arzadon, Founder & Chief Performance Officer. Every transformation program starts with a full diagnostic assessment — not a guess.
Research published in JAMA (Mandsager et al., 2018, N=122,007) found that cardiorespiratory fitness is the strongest predictor of long-term survival — stronger than cholesterol, blood pressure, or BMI. According to the study, the least-fit individuals had 5× higher all-cause mortality risk than the top performer group. This is why every Arzadon program begins with VO2 max and biosignature testing before a single set is programmed.
163+
5-Star Google Reviews
40+
Data Points Per Client
#1
Personal Trainer Downtown Toronto
2017
Est.
Your Coaches
The Arzadon Team
Our coaching staff is led by Jay Arzadon. Every coach is compensated based on your results — not by the hour. One standard, across the whole team.
Founder
Jay Arzadon
Founder & Chief Performance Officer
CSCS · Poliquin BioSig L2 · Precision Nutrition L2
Architect of every program. Jay built the system that ties trainer pay to your results — first in Toronto.
View Bio →
Jennifer Arzadon
Co-Founder & Director of Client Experience
Co-Founder · Client Experience
Runs the systems that keep every transformation on track. The reason the experience is as precise as the programming.
View Bio →
Stuart Charlesworth
Senior Transformation Expert
Transformation Specialist · 8+ Years Experience
Leads the transformation track. Stuart's clients average 12% body fat reduction in 16 weeks — backed by InBody data, not claims.
View Bio →Toronto's only gym where trainers are paid on your results. Not by the hour. Not by the session. By the transformation you actually achieve.
Meet the Full Team →Real numbers, real people
“In 4 months I achieved incredible results with my transformation expert Myles — I lost 10 kilos, 5 inches off my waist, and 8% body fat.”
“In just 12 weeks I shed 17% body fat while gaining 5 lbs of lean muscle — and went from 0 to 10 pull-ups in 18 weeks. Numbers I never thought possible.”
“Lost 26 lbs and 8% body fat in 12 weeks — while travelling and staying consistent outside the gym. The structure made it sustainable.”
Results Rate
97%
Avg Fat Lost
16 lbs
Pillar 01
Precision Personal Training
Every personal training session is a measured step toward your transformation. Periodized programs, real-time load tracking, and 1-on-1 coaching with a personal trainer whose compensation is tied to your results. Our personal training programs are built around transformation goals — fat loss, muscle building, body recomposition — not generic templates.
Meet Your TrainerPillar 02
Nutritional Architecture
Adaptive macros, hormonal strategies, and supplement precision. Your nutrition plan evolves with your body composition data — not a static PDF.
View Assessments
Protein
180g
Carbs
220g
Fats
65g
Pillar 03
Data-Driven Results
Your progress is tracked across 40+ metrics to remove guesswork and make your transformation visible and measurable. InBody 770 scans, biosignature analysis, and VO2 max testing included.
View Assessments300+
Clients Transformed
8+ yrs · King West, Toronto
97%
Results Rate
300+ clients · primary goal by wk 16
40+
Data Points Tracked
InBody 770 · biosig · VO2 · HRV …
8+
Years of Excellence
Toronto’s only results-based pay model
The Difference
Why Arzadon
Typical PT
Trainer earns a fixed rate per session — regardless of your results.
Arzadon · Accountability
Trainer compensation tied directly to your outcomes. Their livelihood depends on your success.
Typical PT
Pay per session. Miss a week, lose your slot. No continuity.
Arzadon · Cost structure
All-inclusive monthly model — unlimited access, 24/7. No hourly billing.
Typical PT
Progress measured by how you look or how tired you feel.
Arzadon · Data
40+ data points tracked per client. InBody 770, biosignature, VO2, HRV — every decision backed by numbers.
Typical PT
Training limited to your booked sessions. No access between appointments.
Arzadon · Access
24/7 private facility access. Train when it works for you, with or without your coach.
Inside the Facility
Your Training Environment
Training Floor
3,500 sq ft private
Strength Zone
Cable Station
Conditioning
Diagnostics
Personal Training
Your program. Your data. Your result. Trainers compensated on outcomes, not hours.
- ◆Periodized 12-week programming
- ◆40+ metrics tracked per session
- ◆Trainer accountability tied to your results
1-on-1 Coaching
Assessments & Testing
Hybrid & Accountability
Two coached sessions per month plus self-guided training — with programming, check-ins, and the structure that keeps you consistent when you’re not in the room with a coach. Built for busy people who want real results without a daily gym commitment.
- ◆2 personal training sessions per month (60 min each)
- ◆TrainHeroic app — guided programming every solo session, shared with similar-goal members
- ◆Bi-weekly InBody check-ins — body composition tracked every two weeks
- ◆24/7 gym access included
24/7 Accountability
Explore hybrid coaching →We don't sell memberships.
We sell measurable outcomes.
— Jay Arzadon, CSCS · Founder
Certifications
CSCSPrecision Nutrition L2FST SpecialistClean Health Institute
Real Toronto Clients.
Real Measurable Results.
Fat Loss
Dr. Alex M.
-33 lbs Weight Lost, -7% Body Fat, +9 lbs Muscle
16 weeks
Female Fat Loss
Irene
-39 lbs Weight Lost, -13.6% Body Fat
Female Fat Loss
Felicia
-26 lbs Weight Lost, -8% Body Fat
12 weeks
Fat Loss
Cecil
-23 lbs Weight Lost, -6.4% Body Fat
Muscle Building
Rahul G.
+17 lbs Lean Muscle
Female Fat Loss
Alexandra
-30 lbs Weight Lost, ×2 Transformations
12 weeks × 2
Muscle Building
Scott B.
+17 lbs Muscle Gained
Muscle Building
Otto
+15 lbs Muscle, -9% Body Fat
Athletic Performance
Metturan K.
100→66 Resting HR, −7% Body Fat, +14 lbs Lean Mass
3 months
From the Floor
Trained, tested, transformed.
What the data feels like, in their own words. Read three — there are hundreds more.
Hybrid
I've been working out at Arzadon Fitness in the hybrid program for the last 7 months. My body now has definition, I’m the strongest I’ve been in years, and the lowest weight I’ve been in 25 years.
Transformation · Coach Justin
I just wrapped up the 6-month Transformation Program with coach Justin at Arzadon and had a really great experience. Justin was consistent, supportive, and always available when I needed guidance, whether during sessions or outside of them.
5.0·163+ verified Google reviews
163+ Google reviews
What King West clients say
I lost 10 kilos, 5 inches of my waist and my body fat decreased by 8%!
Trained by Myles−10 kg · −5″ waist · −8% body fat in 4 months
Review 1 of 6: Celine Gerodez
Common Questions
How much does a personal trainer in Toronto cost?
At Arzadon Fitness, most clients invest from $387/month. This is an all-inclusive model that provides 24/7 facility access, personalized programming, nutritional architecture, and 1-on-1 coaching sessions. Unlike traditional gyms, we do not charge hourly per-session fees, ensuring our focus is entirely on your results.
What makes Arzadon different from other gyms in downtown Toronto?
We are Toronto's most data-driven personal training gym. We track over 40 data points per client, including VO2 max, biosignature, and InBody scans. Furthermore, our trainers are compensated based on your outcomes, not the hours they log. We focus on one metric: your result.
Do you offer personal training for women in Toronto?
Yes. We specialize in female fat loss and body recomposition. Our coaches, including those certified as Female & Male Transformation Specialists by the Clean Health Institute, design adaptive nutrition and hormonal strategies specifically tailored to women's physiology.
What is biosignature testing and why does it matter?
Biosignature Modulation is a scientific approach to spot reduction and body composition. By measuring specific skinfold sites, we can identify hormonal imbalances (like cortisol or insulin resistance) and create targeted nutritional and supplement protocols to accelerate fat loss.View our assessment process →
Where is Arzadon Fitness located in Toronto?
We are located in the heart of King West at 460 Richmond St W, Suite 100, Toronto, ON M5V 1Y1. Our private, state-of-the-art facility is designed for focused, distraction-free training.
How long until I see results with a personal trainer?
With our precision assessments and 12-week periodized programming, clients typically see measurable changes within the first 14-21 days. Significant transformations (like losing 20+ lbs or dropping 5-8% body fat) are routinely achieved in 12 to 16 weeks.
Do you offer gym memberships without personal training?
No. Arzadon Fitness is a private personal training studio, not a public gym. Every client works with a dedicated coach. This ensures accountability, proper technique, and measurable outcomes — none of which are possible in an unsupervised gym environment.
What is VO2 max and why should I care about it?
VO2 max is the maximum rate at which your body can consume oxygen during exercise. It is the single best predictor of cardiovascular health and longevity. We test VO2 max as part of our baseline assessment and track improvements over time.Learn about VO2 max testing →
Do you offer VO₂ Max testing in Toronto?
Yes. Our Clinical VO₂ Max Diagnostic is available at our King West studio for $177. It uses the VO₂ Master Analyzer to measure your aerobic capacity, set custom heart rate zones (Z1–Z5), and map fuel source utilization. Results are delivered same day with a written summary.Book VO₂ max testing →
What is the minimum commitment at Arzadon?
Our transformation programs run 12–16 weeks — that’s the minimum window required to produce meaningful, measurable results. If you’re not ready for a full program, our Hybrid Coaching package offers a month-to-month model starting at $387/month with no lock-in contract.
Start Here
Your Transformation Starts Here.
Every journey begins with a 20-minute diagnostic conversation. Tour the facility, meet your coach, and walk through your goals — no commitment required.
Book Your Free 20-Minute Discovery Call