SLU-PP-332EnduranceSafety Rating 6/10

Primary research areaExercise mimetic (dubbed 'exercise in a pill')

Research-literature reference data, NOT patient instructions. Not for human use. Consult a licensed clinician for any human application.

Research dose rangeResearch compound. Animal studies: 30 mg/kg/day. Human dosing not established. Injectable research protocols emerging.
AdministrationInjection
Safety6/10 · Not FDA-approved
NCAA D1Banned

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Overview

About SLU-PP-332

Mechanism of action

Potent synthetic agonist of estrogen-related receptors α, β, and γ (ERRα/β/γ); activates mitochondrial biogenesis; enhances oxidative metabolism in muscle; mimics exercise adaptations.

Safety profile

Insufficient human data. Theoretical: hormonal disruption (ERR signaling), cardiovascular effects. Promising safety in animal studies. · Early research compound; novel mechanism; no proven harms; animal data shows exercise-mimetic effects

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Related pages

More on SLU-PP-332

Research

Studies & key findings

  • SLU-PP-332 is a first-in-class synthetic pan-ERR agonist (ERRα EC50 = 98 nM, ERRβ 230 nM, ERRγ 430 nM) developed at Saint Louis University; in mice, 28-day administration increased type IIa oxidative skeletal muscle fibers and boosted treadmill endurance by ~70% in distance and ~45% in duration — effects shown to be ERRα-dependent via muscle-specific knockout validation.
  • Mechanistically, SLU-PP-332 stabilizes the ERRα active conformation and recruits PGC-1α, inducing a transcriptional program overlapping with acute aerobic exercise — particularly upregulating mitochondrial biogenesis, fatty acid oxidation, and oxidative phosphorylation genes without requiring physical activity.

3 peer-reviewed sources cited — clinical, preclinical, and regulatory.

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