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Optimized Quercetin 250 mg
Life Extension · United States · capsule · 60 Vegetarian Capsule(s)
Per day
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Label source：US NIH DSLD · NIH ODS Dietary Supplement Label Database (DSLD) API v9 · US Government work (public domain) · 2026-10-26
Label ingredients (per serving)
| Ingredient | Label value | Cleaned | Data check |
|---|---|---|---|
| Vitamin C Camu-Camu berry extract |
30 mg | 30 mg | ok |
| Optimized Quercetin Food Blend | 500 mg | 500 mg | ok |
| Quercetin blend | 250 mg | 250 mg | warning |
| Quercetin Dihydrate blend | 0 mg | — | not comparable |
| Buckwheat blend | 0 NP | — | |
| Apple Polyphenol extract blend | 0 NP | — | not comparable |
| Onion extract blend | 0 NP | — | excluded |
| Camu-Camu extract | 60 mg | — | excluded |
| Vegetable Cellulose | — | — | |
| Microcrystalline Cellulose | — | — | |
| Silica | — | — | |
| Maltodextrin | — | — | |
| Stearic Acid | — | — |
Label data from official national databases and brand websites, as declared; not lab-verified.
For information only; not medical advice. Talk to a doctor or pharmacist before starting or stopping any supplement.