PlainVitamins

Quercetin 1000 mg

by O Orgeuos · capsule · 120 vegetarian capsules

  • On the market (NIH)
  • DSLD label 325829
  • Serving 2 capsules
  • 60 servings

Quercetin 1000 mg by O Orgeuos lists 20 ingredients, 7 with an amount per serving of 2 capsules, such as 1,000 mg of vitamin C, 125 mcg (5,000 IU) of vitamin D3, 50 mg of zinc blend and 1,000 mg of black elder fruit extract; 13 sit inside a blend without their own amounts, beside 1 Nutrition Facts row (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on December 21, 2024.

What is in Quercetin 1000 mg?

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 1000 mg: Supplement Facts rows against the market (DSLD label 325829, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Ascorbic Acid1,000 mg1,111%Vitamin C in Quercetin 1000 mg against 18,583 products1,000 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg1,000 mg

Higher than 91% of 18,583 products listing vitamin C (median 100 mg).

Vitamin D35000IU125 mcg (5,000 IU)625%Vitamin D in Quercetin 1000 mg against 14,175 products125 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg125 mcg

Higher than 92% of 14,175 products listing vitamin D (median 15 mcg). 1.3 times the adult UL a day.

Zinc Blendas Zinc Citrate, Zinc Gluconate, Zinc Picolinate50 mg455%

The label names the compound (Zinc Blend); its amount is likely the compound's weight, not the zinc it holds, so it is not placed among other products.

Black Elder Fruit Extract10:1, equivalent to 1000mg of premium elderberry powder1,000 mgEuropean Elder in Quercetin 1000 mg against 920 products1,000 mg per serving; the middle half of products list 50 mg to 400 mg, the median 150 mg.1,000 mg

Higher than 89% of 920 products listing european elder (median 150 mg).

Quercetinas Sophora japonica Extract10:1, equivalent to 1000 mg of raw quercetin1,000 mgQuercetin in Quercetin 1000 mg against 1,548 products1,000 mg per serving; the middle half of products list 26.5 mg to 250 mg, the median 100 mg.1,000 mg

Higher than 96% of 1,548 products listing quercetin (median 100 mg).

Trans-Resveratrolas Polygonum cuspidatum Root Extract600 mgResveratrol in Quercetin 1000 mg against 1,123 products600 mg per serving; the middle half of products list 20 mg to 125 mg, the median 50 mg.600 mg

Higher than 97% of 1,123 products listing resveratrol (median 50 mg).

Q-Balance Immune Blend350 mg
Turmeric, Powderas Curcuma longa, Powderin the blend, no amount given
Black Seed Oilin the blend, no amount given
Ginger, Powderin the blend, no amount given
Echinacea Aerial Parts Extractas Echinacea purpurea Aerial Parts Extractin the blend, no amount given
Garlic, Powderin the blend, no amount given
Nettle, Powderas Urtica fissa, Powder, Urtica dioca, Powderin the blend, no amount given
Reishi Mushroom Fruiting Body Extractas Ganoderma lucidum Fruiting Body Extractin the blend, no amount given
L-Lysine Hydrochloridein the blend, no amount given
Bromelain, Powderas Bromelia ananas, Powderin the blend, no amount given
Bifidobacterium animalis lactisin the blend, no amount given
Magnesium Complexin the blend, no amount given

The label names the compound (Magnesium Complex); its amount is likely the compound's weight, not the magnesium it holds, so it is not placed among other products.

Irish Sea Mossin the blend, no amount given
Sweet Wormwoodas Artemisininin the blend, no amount given
Black Pepper Fruit Extract5 mgBlack Pepper in Quercetin 1000 mg against 2,363 products5 mg per serving; the middle half of products list 5 mg to 10 mg, the median 5 mg.5 mg

33% of 2,363 products listing black pepper give more (median 5 mg).

Sodium10 mgSodium in Quercetin 1000 mg against 14,514 products10 mg per serving; the middle half of products list 15 mg to 142 mg, the median 55 mg.10 mg

78% of 14,514 products listing sodium give more (median 55 mg).

Source: NIH ODS Dietary Supplement Label Database, label 325829 (entered December 21, 2024), 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?

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 1,000 mg of vitamin C is higher than 91% of the 18,583 vitamin C products that print an amount; 445 list more.
  • At 1 serving a day, the most its directions give, the label lists 125 mcg (5,000 IU) of vitamin D, 1.3 times the adult Tolerable Upper Intake Level.
  • Its 1,000 mg of quercetin is higher than 96% of the 1,548 quercetin products that print an amount; 15 list more.
  • Its 600 mg of trans-resveratrol (filed by NIH under resveratrol) is higher than 97% of the 1,123 resveratrol products that print an amount; 20 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?

The products whose ingredient lists overlap most with Quercetin 1000 mg's, rare ingredients counting for more.

  • Q-DefendClean Nutraceuticals 14 shared, 48% 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
Use suggestion: For adults, take 2 capsules daily, preferably with a meal, or as directed by your healthcare professional.
Warnings
Keep out of the reach of children.
If you are pregnant, nursing, taking medications, consult your physician before use.
Storage
Caution: Store tightly closed, in a cool, dry place away from heat and light.

Source: label statements in DSLD label 325829.

What else is on the label?

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): GMP Consistent Quality.

How many labels does Quercetin 1000 mg have?

One label is on file, entered on December 21, 2024.

  1. Label 325829 (current) Entered December 21, 2024 · on the market · 120 vegetarian capsules

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

Who makes it?

The label names Minch Global Trade Inc. (distributor), Houston, Texas. All O Orgeuos products.

Where next?