Already on a GLP-1
Already on a GLP-1? Make it work better.
You're past the hard part. What matters now is keeping the muscle you have, staying ahead of side effects, and knowing what to do when the scale stops moving. Everything below is for people already taking a dose.
Start with the stack
The GLP-1 supplement stack Losing weight is the easy part on these drugs. Protein, creatine, electrolytes and the rest exist to protect what you don't want to lose — our picks, with the reasoning for each. See the stackThe tools that matter now
Protein floor, lean mass, hydration, and keeping your doses straight.
Protein calculator
Find the daily protein that protects muscle while you lose weight.
Open toolLean body mass calculator
Estimate your lean mass and the protein floor it sets.
Open toolWater intake calculator
What the official reference value actually says, including the part most calculators skip.
Open toolInjection tracker
Log your dose, injection site, and weekly shot day.
Open toolSwitching calculator
Moving between GLP-1s, and what dose to restart at.
Open toolWeight loss % calculator
Track your progress the way clinical trials do, by percentage.
Open toolStaying well on it
Somewhere else in the journey?
Informational only — not medical advice. Always talk to a licensed provider before starting or changing a medication. GLP-1 safety information · Medical disclaimer
Protect what you keep
The stack we'd take ourselves — protein, creatine, electrolytes, and why each one is on the list.