QuerciSorb SR
by Tesseract Medical Research · capsule · 90 vegetarian capsules
- On the market (NIH)
- DSLD label 328498
- Serving 1 capsule
- 90 servings
QuerciSorb SR by Tesseract Medical Research lists one ingredient: quercetin, without an amount per serving of 1 capsule. Its current label entered the NIH Dietary Supplement Label Database on July 24, 2025.
What is in QuerciSorb SR?
Each row as the label prints it, per serving of 1 capsule. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Quercetin Proprietary Complex | 350 mg | ||
| Quercetinas Sophora japonica Flower Concentratesolubility enhanced, in CyLoc, a dextrin fiber matrix molecular trap. | in the blend, no amount given |
Source: NIH ODS Dietary Supplement Label Database, label 328498 (entered July 24, 2025), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient; 1 ingredient sits inside a blend, so their amounts cannot be compared.
The NIH database records 2 servings a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.
The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.
Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.
Which products have the closest formulas?
6 products list the very same ingredients; the nearest amounts come first.
- Quercetin 1000 mgGNC Preventive Nutrition same ingredients
- QuercetoneThorne Research · off the market same ingredients
- Quercetin 600 mgVitamin World · off the market same ingredients
- Quercetin 500 mgNature's Harmony same ingredients
- Quercetin Dihydrate PurePureBulk.com same ingredients
- Quercetin-SNutri-West same ingredients
Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.
What does the label say about taking it?
Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.
- Directions
- Suggested Use: Take 1 capsule two times daily or as recommended by your health-care practitioner.
- Warnings
- Tamper evident: Use only if bottle is sealed.
- If pregnant, consult your health-care practitioner before using this product.
- Storage
- Store tightly sealed in a cool, dry place.
Source: label statements in DSLD label 328498.
What else is on the label?
Other ingredients: Hypromellose, Hydroxypropyl Methylcellulose, Calcium Laurate, Enzyme, Silicon Dioxide.
How many labels does QuerciSorb SR have?
One label is on file, entered on July 24, 2025.
- Label 328498 (current) Entered July 24, 2025 · on the market · 90 vegetarian capsules
DSLD also links this label to: QuerciSorb-SR Sustained Release (image difference, same product).
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Tesseract Medical Research, LLC (distributor), Napa, CA. All Tesseract Medical Research products.