How Much Muscle Has Your GLP-1 Taken?
Clinical Estimate Tool

How Much Muscle Has
Your GLP-1 Taken?

Published research says 25-40% of GLP-1 weight loss is lean mass. Enter your numbers. See yours.

Which GLP-1 are you on?
Ozempic
Wegovy
Mounjaro
Zepbound
Other
How long have you been on it?
Under 3 mo
3-6 mo
6-12 mo
12+ mo
Your weight
lbs
lbs
Are you strength training?
No
1-2x / week
3+ / week
What's your #1 goal right now?
Rebuild Muscle
Get Strong Again
Look Good Again
Energy / Vitality

⚠ Your Estimated Muscle Loss Report

Estimated Pounds of Muscle Lost
Total Weight Lost
Was Lean Mass
Actual Fat Lost
Muscle Lost / Mo
What you lost— lbs total
Fat Muscle
Level One · Stop the Bleeding
Your top pick based on your goal.
This is the single best compound for where you are right now. Matched to your goal, your timeline, and your training status.
MYO-11
Myostatin Inhibitor
Your body produces myostatin — a protein that tells muscle to stop growing. MYO-11 blocks it. Stack it with your primary compound to remove the ceiling on how far your rebuild can go.
View MYO-11 →
Level Two · Accelerate the Rebuild
More compounds matched to your goal.
You've got your foundation. These are the next-tier compounds that stack with it to accelerate your results.
The Full Arsenal
Every compound we make. Pick your weapon.
You stopped the muscle loss. You started rebuilding. Here's everything else in the lineup — from hardening compounds to hormonal fat burners to the most aggressive mass builders we've ever formulated.
Alpha Test Stack
Alpha Test Stack
Vitality · Energy · T-Support
Your GLP-1 tanked your appetite, your energy, and probably your testosterone. This restores the hormonal foundation everything else gets built on. Start here if you feel like a shell of yourself.
View Alpha Test Stack →
RAD-Mass Stack
RAD-Mass Stack
Foundation · Lean Muscle
The most popular stack for a reason. Delivers clean, keepable gains without bloat. Perfect for rebuilding your base after GLP-1 muscle loss — this is what "filling back out" looks like.
View RAD-Mass Stack →
1-Androl Stack
1-Androl Stack
Lean Mass Builder
Adds quality lean tissue without water retention. If you lost 40 lbs on your GLP-1 and refuse to gain a single ounce of fat back while rebuilding — this is your compound.
View 1-Androl Stack →
Equi-Mass
Equi-Mass (Poseidon)
Serious Size
The most aggressive mass builder in the lineup. For the guy who's done being small and ready to put on real size. Drives rapid muscle growth with visible fullness in weeks. Not for the timid.
View Equi-Mass →
19-Nor Stack
19-Nor Stack
Hardcore Muscle
Old-school pumps, dense muscle, and the kind of fullness that makes sleeves tight again. For experienced lifters who know what they want and don't need their hand held.
View 19-Nor Stack →
Uronabol
Uronabol
Hardness · Density
You have some muscle but it looks soft. Uronabol hardens what's there — rock-hard density, visible definition, the look of muscle that's been carved not just grown. For the "skinny-fat fix" phase.
View Uronabol →
Win-Test
Win-Test
Cut · Dry · Harden
Still leaning out and want to keep every ounce of muscle while you do. Win-Test dries you out, hardens the physique, and makes 190 lbs look like 210. The finishing compound.
View Win-Test →
Hydroxygenin
Hydroxygenin (Hades)
Hormonal Fat Burner
Coming off your GLP-1 but still need fat loss support? Hydroxygenin burns fat through a hormonal pathway while actively preserving muscle. The exit strategy that doesn't give the fat back.
View Hydroxygenin →

Not sure which compound is right for you?
Take our 60-second product finder quiz and we'll match you based on your goals, experience, and where you are in your GLP-1 journey.

Take The 60-Second Quiz →
Estimates based on published lean mass loss rates from: Endocrine Society (ENDO 2025), Diabetes Care meta-analysis (25-39%), American Diabetes Association 2025 Standards of Care (15-40%). Individual results vary. This is an estimate, not a diagnosis.