Supplement reference
Quercetin
A source-linked reference on Quercetin, evidence, safety and product identity. Sources checked 6 September 2026.
Source and review status
Published sources checked
Sources checked on: 6 September 2026
Qualified clinical review: Pending. This page has not been clinically reviewed.
About this source check
AI-assisted editorial source checking covers the cited material and its stated limits. It is not a systematic review, verification of a supplied product, or clinical sign-off.
Editorial role: InfoAddict. Last material change: 6 September 2026. Next source review: 6 March 2027.
Ingredient and preparation
Quercetin is a flavonoid found in foods and sold in concentrated products, sometimes with absorption-enhancing ingredients.
Sources: National Library of Medicine, PubMed
Evidence and limits
The cited skin-focused review combines heterogeneous and largely preclinical evidence. It cannot establish prevention or treatment of skin disease, infection or systemic inflammation with an oral retail product.
Sources: National Library of Medicine, PubMed
Safety and a useful record
Concentrated products can differ from food exposure and may contain other active ingredients. Review medicine context rather than assuming a food-derived compound is risk-free.
Sources: National Library of Medicine, PubMed, National Center for Complementary and Integrative Health
Record the full ingredient list, reason for use and any concurrent medicine changes.
Sources: National Center for Complementary and Integrative Health
Published sources
- Quercetin as a therapeutic agent for skin problems: a systematic review and meta-analysis on antioxidant effects, oxidative stress, inflammation, wound healing, hyperpigmentation, aging, and skin cancer
National Library of Medicine, PubMed. Published 2025; accessed 6 September 2026.
Supports: A broad skin-focused synthesis with preclinical and heterogeneous studies; it is not evidence for a general oral quercetin product.
- Safe Use of Complementary Health Products and Practices
National Center for Complementary and Integrative Health. Current NCCIH reference; accessed 6 September 2026.
Supports: General safety, interaction and contamination context. It does not establish ingredient-specific benefit.
Change history
| Date | Change | Clinical-review status |
|---|---|---|
| 6 September 2026 | Source-linked reference published | Pending |
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