PlainVitamins

Quercetin+C

by The Vitamin Shoppe · capsule · 300 capsules

  • On the market (NIH)
  • UPC 7 66536 01268 8
  • DSLD label 208922
  • Serving 2 capsules
  • 150 servings

Quercetin+C by The Vitamin Shoppe lists 2 ingredients, 2 with an amount per serving of 2 capsules, such as 1,400 mg of vitamin C and 500 mg of quercetin dihydrate. Its current label entered the NIH Dietary Supplement Label Database on November 21, 2019.

What is in Quercetin+C?

Each row as the label prints it, per serving of 2 capsules. 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).

Quercetin+C: Supplement Facts rows against the market (DSLD label 208922, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Ascorbic Acid1,400 mg1,555%Vitamin C in Quercetin+C against 18,583 products1,400 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg1,400 mg

Higher than 99% of 18,583 products listing vitamin C (median 100 mg).

Quercetin Dihydrate500 mgQuercetin in Quercetin+C against 1,548 products500 mg per serving; the middle half of products list 26.5 mg to 250 mg, the median 100 mg.500 mg

Higher than 84% of 1,548 products listing quercetin (median 100 mg).

Source: NIH ODS Dietary Supplement Label Database, label 208922 (entered November 21, 2019), 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?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • Its 1,400 mg of vitamin C is higher than 99% of the 18,583 vitamin C products that print an amount; 248 list more.

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?

6 products list the very same ingredients; the nearest amounts come first.

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: Take two (2) capsules daily, preferably with meals.
Warnings
Warning: Consult your healthcare provider prior to use if you are pregnant, nursing, taking any medication or have any medical conditions.
Keep out of reach of children.
Tamper evident Do not use if outer seal is broken or missing.
Allergens and what it does not contain
Citrus free
Gluten-free Dairy-free Soy-free Nut-free Does not contain: Gluten, sugar, salt, preservatives, artificial colors or flavors.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 208922.

What else is on the label?

Other ingredients: Gelatin, Magnesium Stearate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Quality promise Tested & trusted.

How many labels does Quercetin+C have?

8 labels are on file under this name since March 25, 2014: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 208922 (current) Entered November 21, 2019 · on the market · 300 capsules · UPC 7 66536 01268 8
  2. Label 208792 Entered November 21, 2019 · on the market · 100 capsules · UPC 7 66536 01267 1
  3. Label 184002 Entered January 7, 2019 · off the market October 31, 2019 · 300 capsules · UPC 7 66536 01268 8
  4. Label 183998 Entered January 7, 2019 · off the market October 2, 2019 · 100 capsules · UPC 7 66536 01267 1
  5. Label 55634 Entered January 25, 2016 · off the market October 22, 2018 · 300 capsules · UPC 7 66536 01268 8
  6. Label 55632 Entered January 25, 2016 · off the market October 22, 2018 · 100 capsules · UPC 7 66536 01267 1
  7. Label 31312 Entered March 25, 2014 · off the market December 4, 2015 · 300 capsules · UPC 7 66536 01268 8
  8. Label 31311 Entered March 25, 2014 · off the market December 4, 2015 · 100 capsules · UPC 7 66536 01267 1

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Vitamin Shoppe, Inc. (distributor), Secaucus, NJ. All The Vitamin Shoppe products.

Where next?