Quercetin + D3
by Country Life · capsule · 90 vegetarian capsules
- On the market (NIH)
- UPC 0 15794 01624 3
- DSLD label 248967
- Serving 1 capsule
- 90 servings
Quercetin + D3 by Country Life lists 2 ingredients, 2 with an amount per serving of 1 capsule, such as 20 mcg (800 IU) of vitamin D and 500 mg of quercetin. Its current label entered the NIH Dietary Supplement Label Database on May 22, 2021.
What is in Quercetin + D3?
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 |
|---|---|---|---|
| Vitamin Das D3Vitamin D (Form: D3 (Form: from Lanolin) (Alt. Name: Cholecalciferol)) Note: 800 I.U. | 20 mcg (800 IU) | 100% | Higher than 51% of 14,175 products listing vitamin D (median 15 mcg). |
| Quercetinas Quercetin DihydrateQuercetin (Form: from Quercetin Dihydrate) | 500 mg | Higher than 84% of 1,548 products listing quercetin (median 100 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 248967 (entered May 22, 2021), version 9.4.0. See the label on DSLD. 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.
The NIH database records one serving 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?
2 products list the very same ingredients; the nearest amounts come first.
- Quercetin 500 mg + D3Country Life same ingredients
- Quercetin Dihydrate 650 mg with Vitamin D 20 mcg (800 IU)Puritan's Pride same ingredients
- Quercetin 1000 mgGNC Preventive Nutrition 1 shared, 66% alike
- QuercetoneThorne Research · off the market 1 shared, 66% alike
- Quercetin 600 mgVitamin World · off the market 1 shared, 66% alike
- Quercetin 500 mgNature's Harmony 1 shared, 66% alike
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
- Directions: Adults, take one (1) capsule daily, preferably with a fat-containing meal. As a reminder, discuss the supplements and medications that you take with your health care providers.
- Warnings
- No Yeast, corn or wheat No Soy, milk or salt No Sugar or preservatives No Artificial colors, flavors or sweeteners
- Caution: If you are pregnant, nursing, or taking medication, have a medical condition or planning surgery, consult a doctor before using this product.
- Stop using and consult a doctor if any adverse reactions occur. Do not accept if seal is broken.
- Keep out of the reach of children.
- Allergens and what it does not contain
- Yes Certified gluten-free by GFCO.org
- Certified gluten-free
- Storage
- Store in a dry place between 59 degrees-86 degrees F.
Source: label statements in DSLD label 248967.
What else is on the label?
Other ingredients: Cellulose, Cellulose, Magnesium Stearate, Silica.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Certified B Corporation GFCO Certified Gluten Free GFCO.org K Parve (Kosher). Listed with: Certified gluten-free (GFCO) (a seal is the label's claim; the certifier's own list confirms it).
How many labels does Quercetin + D3 have?
2 labels are on file under this name since December 26, 2020: other sizes, label designs and reformulations. The current one leads this page.
- Label 248967 (current) Entered May 22, 2021 · on the market · 90 vegetarian capsules · UPC 0 15794 01624 3
- Label 238749 Entered December 26, 2020 · off the market March 16, 2021 · 90 vegetarian capsules · UPC 0 15794 01624 3
DSLD also links this label to: Quercetin 500 mg + D3 (package size 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 Country Life, LLC (manufacturer), Hauppauge, NY. All Country Life products.