TJAI — Your AI Coach
Adaptive intake, progress-aware memory, and AI-built 12-week transformation plans. Diet + training + supplements.
Fitness operating system
World-class coaching. Built for a body you keep. AI precision · Human intent · Measurable weeks
Elite 12-week programs, realistic nutrition systems, and TJAI that anchors to your real data — a transformation you can sustain.
12
weeks
Structured blocks with progression and checkpoints.
25
signals
TJAI intake reads goals, schedule, equipment, and constraints.
10
languages
Training and nutrition in the language you actually use.
Engineered intelligence
Your transformation,
computed in real time.
25 signals. 12-week periodization. Adaptive macros. TJAI runs the math so every set, meal, and recovery beat lands at the moment your body can absorb it.
TJAI
Your AI coach, built for your body.
Answer 25 questions — TJAI generates a full 12-week training plan, diet, and supplement stack tuned to your goals, equipment and time. Preview it free; unlock the full plan when you’re ready.
12-week periodization · Macro-aware meals · TJAI · GPT-4o · Coach marketplace · 10 languages
The stack
Built like training software, not a toy app.
Structured plans, real nutrition systems, AI that respects constraints, and human coaches when you want them — one surface, one visual language.
20+ Expert Programs
12-week structured plans for home or gym. Fat loss, muscle gain — all levels.
Full Diet Systems
Daily meal plans with macros, recipes, grocery lists. Halal, vegan, budget - covered.
Coach Marketplace
Book certified coaches. 1-on-1 guidance and personalized feedback.
Leaderboards
Earn TJCOIN, compete on weekly boards, unlock rewards for consistency.
10 Languages
Training and nutrition flows support 10 locales from the first visit.
How it works
From intake to execution
Three disciplined layers — no chaos, no novelty UI. Just a pipeline that respects physiology and your calendar.
1
Define your target
Goals, schedule, equipment, and constraints — captured once, respected everywhere.
2
TJAI builds the system
Metabolism-aware training blocks, meals, and progression — structured like a coach plan.
3
Train with precision
Log work, adapt loads, and stay consistent — the OS tracks momentum across 12 weeks.
Week 1
Baseline load, habit wiring, and honest volume — no hero weeks.
12 weeks
Week 12
Progressive overload you can feel — strength, composition, and consistency compound.
Touch the system
Move your cursor.
The system responds.
TJAI reads your inputs the same way this 3D coach reads your cursor — every signal you give shapes the plan that comes back.
0+
Expert Programs
0+
Diet Systems
0
Weeks Per Plan
0
Languages
Transformation systems
51+ complete
programs
AI transformation engine
Meet TJAI.
Complete an adaptive intake and get a complete 12-week plan in minutes — training blocks, meals, macros, and progression tuned to your metabolism, schedule, and feedback.
Science-based calculations
Metabolism, load, and recovery modeled like a performance lab — not generic templates.
Complete 12-week structure
Periodized weeks, deloads, and checkpoints you can execute without guesswork.
Daily meal plans + macros
Meals, grocery logic, and macro targets aligned to your training phase.
Adjustable + regeneratable
Life changes — regenerate blocks while preserving your history and intent.
Nutrition
32+ diet
systems
Real transformations
Real People. Real Results.
Members describe outcomes in their own words — no stock photography, no fake star rows.
I've tried dozens of fitness apps. TJAI built me a plan that actually fits my schedule and my kitchen. Lost 8kg in 12 weeks and I've kept it off.
A
Ahmed K.
Lost 8kg · Fat Loss ProgramThe Turkish support is incredible. My coach responds in my language and actually understands my culture. I can train during Ramadan with a modified plan.
M
Meryem Y.
Gym Muscle Builder · IstanbulTJAI is the most accurate thing I've used. It calculated my macros, built my meal plan, and the results speak for themselves. Down 12kg, strongest I've ever been.
O
Omar S.
Lost 12kg · DubaiI'm 58 and had knee surgery. The rehab programs here are safe, progressive, and I actually look forward to training now. Something I never expected.
P
Patricia M.
Rehabilitation Program · MadridI bought the home program skeptical it would work. 12 weeks later, my friends are asking me what gym I go to. I tell them I train in my living room with TJFit.
J
James L.
Home Fat Burn · LondonResults vary. Individual outcomes depend on consistency, diet, and starting fitness level.
Brand
FOR FITNESS PROFESSIONALS
Monetize Your Expertise.
Publish programs. Coach clients. Earn globally.
- Sell programs to thousands of members
- Available in 10 member languages
- You set the price — we handle payments
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Access
Start your next 12 weeks.
Get the roadmap, then explore programs when it feels right.
Free to start · No card · 20+ flagship programs