Ursolic Acid
Best for
Boost skin hydration
Large effect, needs confirmation for 4 weeks · 1 study , n=40
4 papers · 3 claims · 15 outcomes scored · 1 positive
Outcomes
What ursolic acid actually does, by outcome
Each row is one outcome with effect size, evidence base, the dose that worked in trials, and time to first effect. Magnitude tiers come from native-unit MCID where available, Cohen's d otherwise.
Locks more moisture into skin so it feels softer and less tight.
Smooths crow's feet, forehead lines, and surface roughness.
Body fat percentage drops and the mirror shows it before the scale does.
| Outcome | Effect | Evidence | Dose | Weeks | Rank |
|---|---|---|---|---|---|
| Boost skin hydration Large effect, needs confirmation | | 1 RCT n=40 | 2.5 other | 4 wk | #9/13 |
| Reduce fine lines and wrinkles Not enough research | | 2 RCTs n=— | 2.5 other | 4 wk | — |
| Lose body fat Not enough research | | 1 study n=— | 450 mg | 8 wk | — |
Risk profile
Adverse events and known drug interactions
Safety events
Drug interactions
Sources
- 1. Ursolic Acid-induced elevation of serum irisin augments muscle strength during resistance training in men. (2014) ↑
- 2. Annurca Apple Oleolite as Functional Ingredient for the Formulation of Cosmetics with Skin-Antiaging Activity. (2024) ↑
- 3. Apple oil as a source of ursolic acid for the treatment of hyperpigmentary disorders with molecular and clinical evaluation. (2025) ↑
- 4. Ursolic acid supplementation decreases markers of skeletal muscle damage during resistance training in resistance-trained men: a pilot study. (2017) ↑
Generated August 14, 2026
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