onion
Evidence status
Limited evidence to recommend for any consumer outcome yet.
5 papers · 0 claims · 35 outcomes scored
Risk profile
Adverse events and known drug interactions
Safety events
uterine cancer severe
fatty liver (diagnosed during study) moderate
gastrointestinal symptoms (nausea/abdominal discomfort - brief, mild) mild
Sources
- 1. Onion peel extract reduces the percentage of body fat in overweight and obese subjects: a 12-week, randomized, double-blind, placebo-controlled study. (2016) ↑
- 2. Effect of Daily Ingestion of Quercetin-Rich Onion Powder for 12 Weeks on Visceral Fat: A Randomised, Double-Blind, Placebo-Controlled, Parallel-Group Study. (2019) ↑
- 3. Antioxidative Activity of Onion Peel Extract in Obese Women: A Randomized, Double-blind, Placebo Controlled Study. (2015) ↑
- 4. The effect of 24-week continuous intake of quercetin-rich onion on age-related cognitive decline in healthy elderly people: a randomized, double-blind, placebo-controlled, parallel-group comparative clinical trial. (2021) ↑
- 5. Effect of onion (Allium cepa L.) peel extract on natural killer cell and cytokines in a randomized, double-blind, placebo-controlled trial. (2024) ↑
Generated August 14, 2026