Endurance / metabolic
SLU-PP-332 Dosage: What We Do and Do Not Know
Striking mouse data, zero human trials, and a dose nobody can stand behind yet.
The quick version
- An experimental exercise-mimetic, not really a peptide.
- Mouse-only so far. No human trials, dose, or safety data.
- A watch-this-space compound, not something to run today.
What it is
SLU-PP-332 is an experimental compound, not really a peptide, that flips on a cell switch called ERR. That switch is part of how exercise burns fat and builds endurance, so people call it an exercise mimetic.
What the research shows
Be clear-eyed here: the research is in mice. In those studies SLU-PP-332 raised energy burn, increased fat oxidation, built more endurance-type muscle fibers, and cut fat mass (Billon et al., 2024). There are no human trials. Dosing, safety, and whether any of this carries to people are all unknown.
What it felt like
I have not run SLU-PP-332. With zero human data, I am not comfortable being the test subject, and I would not tell a friend to be either. I am covering it because it is getting attention, not because it is ready.
Dosing reality
There is no human dose. The mouse studies use amounts that do not translate directly to people. Anyone selling a confident human protocol is guessing.
The one mistake to avoid
The mistake is treating a mouse result as a human promise. Exciting animal data fails in humans all the time, and this one has not even been tried.
Bottom line
SLU-PP-332 has striking mouse data and zero human evidence. It is a watch-this-space compound, not something I would run today.
Reminder: I am not a doctor and this is not medical advice. It is my own notes and reading of the research. Peptides sit in a legal grey area, research-grade is a real category, and it is on you to verify your own compliance. Talk to a qualified professional before you start anything, especially if you take other medication.