Ursolic Acid

Muscle building & fitness

Function & benefits

A plant compound found in apple peel, rosemary and basil; animal studies suggest it preserves muscle mass and supports brown fat and insulin sensitivity, and a small human study suggests it supports muscle strength alongside resistance training, although human evidence is still limited.

Dosage & how to use

Recommended dose	150–300 mg daily
Best time to take	With main meals that contain fat, for better absorption
Frequency	1–2 times daily

Best forms to choose

Apple peel or rosemary extract standardised for ursolic acid, in capsules.

Important warnings

Human evidence is limited; most findings come from animal studies

Avoid during pregnancy and breastfeeding, as safety data are insufficient

Drug interactions

It may lower blood sugar slightly, so use it with care alongside diabetes medication.

View in the supplements guide

Related supplements

Scientific references

Kunkel SD et al. PLoS One 2012 — PMID: 22745735
Bang HS et al. Korean J Physiol Pharmacol 2014 — PMID: 25352765

📚 Published sources and research: European Food Safety Authority (EFSA) • National Institutes of Health (NIH - ODS) • PubMed / Cochrane databases

Content last updated: 17 October 2026 · Based on published sources and research (EFSA / NIH / PubMed)

⚖️ Medical disclaimer: The information and data provided here are for health education and nutritional guidance only. They are not a medical diagnosis and never replace a direct consultation with your doctor or pharmacist. Always consult your doctor before starting any supplement, especially during pregnancy or breastfeeding or when taking long-term medication.