Transform your body in just 21 days.
Build consistency, improve your strength and follow a clear training system with Home and Gym options, video guidance and private coaching support.
One payment • Immediate access • Home or Gym
One payment. Immediate challenge access.
Not a playlist.
A structured coaching experience with progression, accountability and support.
SUMMER SHRED
MOBILITY RESET
DISCIPLINE 30
What CORE21 helps you achieve
The program gives you a clear system to follow instead of leaving you to guess what to train each day.
Build consistency
Follow a simple 21-day structure that makes regular training easier to maintain.
Burn fat efficiently
Use structured workouts and consistent activity to support your body-composition goal.
Improve strength
Progress from foundation exercises to more challenging training every week.
Stay accountable
Use the challenge hub, coaching guidance and private group to remain focused.
Everything you need to know
Clear answers before you begin the CORE21 Challenge.
Do I need a gym?
No. After purchase, you can choose between the Home and Gym training paths. The Home path uses bodyweight exercises and does not require gym equipment.
Is CORE21 beginner-friendly?
Yes. CORE21 starts with foundational exercises and includes demonstration videos and clear coaching instructions. You can adapt the repetitions, training time and difficulty to your current level.
What happens after purchase?
After purchase, you receive access to the private CORE21 area. From there, you can select Home or Gym Training, open Week 1, join the private Telegram group and use the Fitrefect app.
Can I use the Fitrefect app too?
Yes. You can use the Fitrefect app alongside CORE21 for additional training tools, fitness resources and support.
How long are the workouts?
Most CORE21 workouts take approximately 15–25 minutes. The exact duration depends on your fitness level, training pace and rest periods.
Your next 21 days start now.
Choose Home or Gym Training, follow the weekly progression and build a stronger, more consistent routine.
Buy Core-21 Now • €14.99