Build Serious Muscle in 8 Weeks
For advanced gym rats who’ve stopped making progress
A science-backed Duo to restart muscle growth.
Free Delivery in 4 working days
Trusted by 500+
Maltese Gym Rats
See how it works ☝️
See how it works ☝️
Build Serious Muscle in 8 Weeks
For advanced gym rats who’ve stopped making progress
A science-backed supplement Duo to help restart muscle growth and recovery.
Trusted by 500+
Maltese Gym Rats
Free Delivery in 4 working days
Science-Backed Formulas
Money Back Guarantee
Maltese Brand
Advanced Formulas
You’re doing everything right,
but muscle growth has slowed.
At a certain point, progress needs more than just hard training.
Keep scrolling — here’s how we’ve got your fix 
How this helps you start progressing again
By giving a noticeable boost once progress has slowed
Muscle Growth
Restarts stalled muscle growth
Increased Energy
Boosts training energy levels
Increased Endurance
Allows for hard training
How Does it Work?
Discover how The Muscle Box will Change your Workouts in 3 Steps.
Formulated by co-founder Orin Darmanin, a registered Medical Laboratory Scientist. [See the science →]
1
Boost Testosterone
Supports your body’s natural anabolic drive.
2
Stimulate Protein Synthesis
Activates muscle-building pathways to restart growth.
3
Powers Your Workout
Improves training output so progressive overload continues.
Ultimate Transformation
The Muscle Box
For Maximum Muscle Growth & Fastest Results.
€179.99
Save €30
The Strength Box
Focused support for strength performance and training output.
€124.99
Save €25
Risk-Free 30-Day Guarantee
If you’re not satisfied, contact us within 30 days for a full refund. No questions asked.
Customers Love Us
Feedback from real lifters using FITNERO to push past training plateaus.
Great Products, helpful and very responsive . Highly recommended
Brandon Lee
!! Car Far
Sean Green
Alan Azzopardi
Warren Zahra
FAQ's
What’s included in the Muscle Box?
Each box includes two supplements: Turkesterone and the FITNERO Test Booster. Together, they accelerate muscle growth, strength, and recovery.
How long before I see results?
Most users notice improved energy and training performance within 1–2 weeks, with visible muscle and strength gains in 4–6 weeks of consistent use.
Can I stack your products?
Yes. Creatine + The Muscle Box is a killer combination. The only products that can’t be taken together are the Test Booster and ashwagandha KSM-66 or Shilajit.
Will it affect my hormones?
It supports natural testosterone production; it does not replace or suppress it.
Are there any banned substances?
No — all FITNERO products are WADA-compliant and contain no banned ingredients.
Do I need to Cycle The Muscle Box?
Yes, Turkesterone must be stopped for 2 weeks after 3 bottles. Test Booster should not be stopped. So if you wish to continue the Muscle Box, we have a product on our shop that provides The Muscle Box + 1 extra Test Booster for Cheap to get you through those 2 weeks.
Will I lose my Results if I stop The Muscle Box?
No, you will keep all of your results, you will simply stop getting the benefits from The Muscle Box