English version in progress: interface and data are in English; some explanatory text is still in Chinese.
Optimal Vitamin C
Seeking Health · United States · powder · 144 Gram(s); 5 Oz(s)
Per day
| Ingredient | Per day | % DV | % of limit |
|---|---|---|---|
| Citrus bioflavonoids, rutin, hesperidin | 30 mg | — | 5% |
| Quercetin | 20 mg | — | 3% |
| Vitamin C | 2,569 mg | 2854% | 128% |
Who's behind it
No data yet
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 Ascorbic Acid; Calcium Ascorbate; Magnesium Ascorbate |
2,569 mg | 2,569 mg | warning |
| Quercetin | 20 mg | 20 mg | ok |
| Hesperidin Citrus Bioflavonoids |
20 mg | 20 mg | ok |
| Rutin | 10 mg | 10 mg | ok |
| Tapioca Dextrin | — | — | |
| Natural flavor | — | — | |
| Potassium Bicarbonate | — | — | |
| Citric Acid | — | — | |
| Steviol Glycoside | — | — | |
| Silicon Dioxide | — | — |
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.