PlainVitamins

Quercetin Complex with Ester-C Plus

by Solgar · capsule · 50 vegetable capsules

  • Off the market since September 2021 (NIH)
  • UPC 0 33984 02318 5
  • DSLD label 264040
  • Serving 2 vegetable capsules
  • 25 servings

Quercetin Complex with Ester-C Plus by Solgar lists 8 ingredients, 8 with an amount per serving of 2 vegetable capsules, such as 500 mg of vitamin C, 50 mg of calcium, 500 mg of quercetin and 50 mg of bromelain, beside 1 Nutrition Facts row (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on May 19, 2022.

What is in Quercetin Complex with Ester-C Plus?

Each row as the label prints it, per serving of 2 vegetable 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 Complex with Ester-C Plus: Supplement Facts rows against the market (DSLD label 264040, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories5 Calories
Total Carbohydrates1 g1%Carbohydrate in Quercetin Complex with Ester-C Plus against 21,979 products1 g per serving; the middle half of products list 1 g to 6 g, the median 3 g.1 g

74% of 21,979 products listing carbohydrate give more (median 3 g). Per day at the most servings: 2 g.

Vitamin Cas Calcium Ascorbate, Ester-CVitamin C (Form: as Ester-C, Calcium Ascorbate)500 mg556%Vitamin C in Quercetin Complex with Ester-C Plus against 18,583 products500 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg500 mg

Higher than 81% of 18,583 products listing vitamin C (median 100 mg). Per day at the most servings: 1,000 mg.

Calciumas Calcium Ascorbate, Ester-CCalcium (Form: as Ester-C, Calcium Ascorbate)50 mg4%Calcium in Quercetin Complex with Ester-C Plus against 17,831 products50 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg50 mg

72% of 17,831 products listing calcium give more (median 115 mg). Per day at the most servings: 100 mg.

Quercetin500 mgQuercetin in Quercetin Complex with Ester-C Plus 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). Per day at the most servings: 1,000 mg.

BromelainBromelain Note: 2000 GDU/g50 mgBromelain in Quercetin Complex with Ester-C Plus against 1,337 products50 mg per serving; the middle half of products list 25 mg to 200 mg, the median 50 mg.50 mg

50% of 1,337 products listing bromelain give more (median 50 mg). Per day at the most servings: 100 mg.

Citrus Bioflavonoid Complex50 mgFlavonoid in Quercetin Complex with Ester-C Plus 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). Per day at the most servings: 100 mg.

Rose Hips50 mgDog Rose in Quercetin Complex with Ester-C Plus against 397 products50 mg per serving; the middle half of products list 10 mg to 65 mg, the median 25 mg.50 mg

Higher than 63% of 397 products listing dog rose (median 25 mg). Per day at the most servings: 100 mg.

Acerola50 mgAcerola in Quercetin Complex with Ester-C Plus against 436 products50 mg per serving; the middle half of products list 14.5 mg to 300 mg, the median 60 mg.50 mg

54% of 436 products listing acerola give more (median 60 mg). Per day at the most servings: 100 mg.

Rutin10 mgRutin in Quercetin Complex with Ester-C Plus against 1,232 products10 mg per serving; the middle half of products list 10 mg to 50 mg, the median 25 mg.10 mg

74% of 1,232 products listing rutin give more (median 25 mg). Per day at the most servings: 20 mg.

Source: NIH ODS Dietary Supplement Label Database, label 264040 (entered May 19, 2022), 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.

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?

The products whose ingredient lists overlap most with Quercetin Complex with Ester-C Plus's, rare ingredients counting for more.

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: As a dietary supplement for adults, take two (2) vegetable capsules twice daily, preferably with a meal or as directed by a healthcare practitioner.
Warnings
If you are pregnant, nursing, taking any medications or have any medical condition, please consult your healthcare practitioner before taking any dietary supplement.
Discontinue use and consult your doctor if any adverse reactions occur.
Keep out of reach of children.
Do not use if outer bottle seal is missing, torn or damaged in any way.
Allergens and what it does not contain
Non-GMO Gluten, wheat & dairy free GF Certified Gluten-free
Free of: Gluten, wheat, dairy, soy, yeast, sugar, sodium, artificial flavor, sweetener, preservatives and color.
Storage
Store at room temperature.

Source: label statements in DSLD label 264040.

What else is on the label?

Other ingredients: Vegetable Cellulose, Vegetable Magnesium Stearate, Silica, Stearic Acid, Microcrystalline Cellulose.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): GF Certified Gluten-free 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 Complex with Ester-C Plus have?

5 labels are on file under this name since April 24, 2015: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 264040 (current) Entered May 19, 2022 · off the market September 28, 2021 · 50 vegetable capsules · UPC 0 33984 02318 5
  2. Label 264039 Entered May 19, 2022 · off the market September 28, 2021 · 100 vegetable capsules · UPC 0 33984 02319 2
  3. Label 81102 Entered November 20, 2017 · off the market November 18, 2019 · 50 vegetable capsules · UPC 0 33984 02318 5
  4. Label 79294 Entered November 20, 2017 · off the market November 18, 2019 · 100 vegetable capsules · UPC 0 33984 02319 2
  5. Label 44953 Entered April 24, 2015 · off the market September 5, 2017 · 100 vegetable capsules · UPC 0 33984 02319 2

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

Who makes it?

The label names Solgar, Inc. (manufacturer), Leonia, NJ, U.S.A.. All Solgar products.

Where next?