Quercetin Complex

by Vitamer Laboratories · capsule · 50 vegetarian capsules

  • On the market (NIH)
  • UPC 7 19985 18128 3
  • DSLD label 67379
  • Serving 1 capsule
  • 50 servings

Quercetin Complex by Vitamer Laboratories lists 5 ingredients, 5 with an amount per serving of 1 capsule, such as 100 mg of vitamin C, 15 mg of magnesium, 250 mg of quercetin and 50 mg of lemon bioflavonoid complex. Its current label entered the NIH Dietary Supplement Label Database on December 23, 2016.

What is in Quercetin Complex?

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).

Quercetin Complex: Supplement Facts rows against the market (DSLD label 67379, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Ascorbic Acid100 mg167%Vitamin C in Quercetin Complex against 18,583 products100 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg100 mg

50% of 18,583 products listing vitamin C give more (median 100 mg).

Magnesiumas Magnesium CarbonateMagnesium (Form: from Magnesium Carbonate)15 mg4%Magnesium in Quercetin Complex against 14,003 products15 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg15 mg

87% of 14,003 products listing magnesium give more (median 86 mg).

Quercetin250 mgQuercetin in Quercetin Complex against 1,548 products250 mg per serving; the middle half of products list 26.5 mg to 250 mg, the median 100 mg.250 mg

Higher than 71% of 1,548 products listing quercetin (median 100 mg).

Lemon Bioflavonoid Complex50 mgFlavonoid in Quercetin Complex against 2,343 products50 mg per serving; the middle half of products list 25 mg to 100 mg, the median 50 mg.50 mg

46% of 2,343 products listing flavonoid give more (median 50 mg).

Bromelainas PineappleBromelain (Form: from Pineapple)25 mgBromelain in Quercetin Complex against 1,337 products25 mg per serving; the middle half of products list 25 mg to 200 mg, the median 50 mg.25 mg

66% of 1,337 products listing bromelain give more (median 50 mg).

Source: NIH ODS Dietary Supplement Label Database, label 67379 (entered December 23, 2016), 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?

4 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
Suggested Use: Take 1 or more capsule daily between meals.
Warnings
Keep out of reach of children.
Allergens and what it does not contain
Contains no artificial colors, flavors, or preservatives; no wheat, gluten, milk, eggs, peanuts, tree nuts, soy, crustacean shellfish or fish.

Source: label statements in DSLD label 67379.

What else is on the label?

Other ingredients: Cellulose, Vegetarian Capsule, Magnesium Stearate, Silica.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Double Verified Gluten Free.

How many labels does Quercetin Complex have?

2 labels are on file under this name since September 25, 2013: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 67379 (current) Entered December 23, 2016 · on the market · 50 vegetarian capsules · UPC 7 19985 18128 3
  2. Label 23288 Entered September 25, 2013 · off the market August 11, 2021 · 100 vegetarian capsules · UPC 7 19985 18140 5

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

Who makes it?

The label names Vitamer Laboratories (manufacturer). All Vitamer Laboratories products.

Where next?