Quercetin Complex

by Solgar · capsule · 100 vegetable capsules

  • On the market (NIH)
  • UPC 0 33984 02319 2
  • DSLD label 325832
  • Serving 2 vegetable capsules
  • 100 servings

Quercetin Complex by Solgar lists 6 ingredients, 6 with an amount per serving of 2 vegetable capsules, such as 500 mg of quercetin, 50 mg of citrus bioflavonoid complex, 50 mg of rose hip, powder and 50 mg of acerola extract, powder. Its current label entered the NIH Dietary Supplement Label Database on March 25, 2025.

What is in Quercetin Complex?

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: Supplement Facts rows against the market (DSLD label 325832, January 2026 release)
IngredientAmount% DVAmong products listing it
Quercetin500 mgQuercetin in Quercetin Complex 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).

Ester-Cas Calcium L-Ascorbate, Vitamin C500 mg625%
Citrus 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).

Rose Hip, Powder50 mgRose Hip in Quercetin Complex against 85 products50 mg per serving; the middle half of products list 16 mg to 120 mg, the median 40 mg.50 mg

Higher than 53% of 85 products listing rose hip (median 40 mg).

Acerola Extract, Powder4:150 mgAcerola in Quercetin Complex 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).

Bromelain100 GDU50 mgBromelain in Quercetin Complex 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).

Rutin, Powder10 mgRutin in Quercetin Complex 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).

Source: NIH ODS Dietary Supplement Label Database, label 325832 (entered March 25, 2025), 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 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 Complex'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
Directions For Use: As a food supplement for adults, two (2) vegetable capsules daily, preferably at mealtime, 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 this product.
Keep out of reach of children.
Do not use if outer bottle seal is missing or damaged.
Do not exceed directions for use. Food supplements should not be used instead of a varied balanced diet and a healthy lifestyle.
Allergens and what it does not contain
Sugar, salt, and starch free
Free Of: Gluten, wheat, dairy, soya, yeast, preservatives, sweeteners, artificial flavours or colours.
Storage
Store at room temperature.

Source: label statements in DSLD label 325832.

What else is on the label?

Other ingredients: Hydroxypropylmethylcellulose, Magnesium Stearate, Silicon Dioxide, Stearic Acid, Maltodextrin, Microcrystalline Cellulose.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): K Parve (Kosher).

How many labels does Quercetin Complex have?

2 labels are on file under this name since May 24, 2017: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 325832 (current) Entered March 25, 2025 · on the market · 100 vegetable capsules · UPC 0 33984 02319 2
  2. Label 73677 Entered May 24, 2017 · off the market November 18, 2019 · 50 vegetable capsules · UPC 0 33984 02318 5

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. All Solgar products.

Where next?