SLU-PP-332
ERR agonist that mimics exercise effects at the molecular level
Clinical Research Score: 2/5 — A very new 'exercise-mimetic' compound backed only by preclinical animal and lab studies.
Categories: Performance & Energy, Weight Loss / Metabolic, Mental / Cognitive
What is SLU-PP-332?
SLU-PP-332 has earned the nickname "exercise in a pill" — and while that's an oversimplification, it captures something real. This compound activates the same molecular pathways that endurance exercise triggers, leading to measurable metabolic improvements without (or in addition to) physical training.
People report improved endurance, better fat burning during activity, increased energy production, and enhanced overall exercise capacity. The body shifts toward a more efficient, fat-burning metabolism — similar to what happens after weeks of consistent cardio training. Many users also report a noticeable boost in mental clarity, focus, and cognitive sharpness — likely tied to improved mitochondrial function in the brain, which is one of the most energy-demanding tissues in the body.
To be clear, SLU-PP-332 isn't a replacement for exercise — but it amplifies the metabolic benefits of the exercise you do, and provides some baseline metabolic improvement even at rest. For people who are limited in their ability to exercise (due to injury, illness, or age), it offers a way to access some of the metabolic adaptations that physical activity provides. It's an exciting compound in the emerging field of "exercise mimetics."
How SLU-PP-332 works
SLU-PP-332 activates estrogen-related receptors (ERR-alpha and ERR-gamma) — the same transcription factors that get activated during endurance exercise. This increases PGC-1-alpha expression (the master regulator of mitochondrial biogenesis), which causes your cells to build more mitochondria and shift toward oxidative fat metabolism. More mitochondria means more energy production capacity, better fat utilization, and improved endurance. It's essentially flipping the same genetic switches that a consistent exercise program activates.
Scientific overview
SLU-PP-332 is a small molecule agonist of estrogen-related receptors (ERRs), particularly ERR-alpha and ERR-gamma. These nuclear receptors are key regulators of exercise-induced metabolic adaptations. SLU-PP-332 activates the same molecular pathways that are triggered by endurance exercise, leading to increased mitochondrial biogenesis, enhanced fatty acid oxidation, and improved exercise capacity without actual physical training.
Dosing
- Starting dose: 250 mcg per day
- Common dosage range: 250 mcg - 2 mg per day
- Administration: Oral
- Half-life: ~8 hours
- Frequency: 1x daily