PlainVitamins

Quercetin (98% + Pure Extract)

by Samsara Herbs · powder · 8 ounces

  • On the market (NIH)
  • UPC X001A821GD
  • DSLD label 319985
  • Serving 1,175 mg (1 Scoop)
  • 193 servings

Quercetin (98% + Pure Extract) by Samsara Herbs lists one ingredient: 1,175 mg of quercetin per serving of 1,175 mg. Its current label entered the NIH Dietary Supplement Label Database on December 21, 2024.

What is in Quercetin (98% + Pure Extract)?

Each row as the label prints it, per serving of 1,175 mg. 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 (98% + Pure Extract): Supplement Facts rows against the market (DSLD label 319985, January 2026 release)
IngredientAmount% DVAmong products listing it
Quercetinas Sophora flavescens1,175 mgQuercetin in Quercetin (98% + Pure Extract) against 1,548 products1,175 mg per serving; the middle half of products list 26.5 mg to 250 mg, the median 100 mg.1,175 mg

Higher than over 99% of 1,548 products listing quercetin (median 100 mg). Per day at the most servings: 3,525 mg.

Source: NIH ODS Dietary Supplement Label Database, label 319985 (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 1,175 mg of quercetin is higher than over 99% of the 1,548 quercetin products that print an amount; 14 list more.

The NIH database records 1 to 3 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?

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
Our water soluble herbal extracts are best mixed in juice or a smoothie, although mixing in water is perfectly fine if you can tolerate the taste.
Suggested Use: Take 1 scoop 1-3 times per day or as recommended by your health care professional.
Warnings
Caution: If you have a medical condition, are pregnant or taking medications, consult your health care professional before using this product.
Keep out of reach of children.
Storage
Storage Cool dry place, out of direct sunlight.

Source: label statements in DSLD label 319985.

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 Good Manufacturing Practice USA Tested 3rd party USA tested.

How many labels does Quercetin (98% + Pure Extract) have?

6 labels are on file under this name since September 24, 2021: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 319985 (current) Entered December 21, 2024 · on the market · 8 ounces · UPC X001A821GD
  2. Label 319984 Entered December 21, 2024 · on the market · 4 ounces · UPC X0017MDU2L
  3. Label 319983 Entered November 22, 2024 · on the market · 2 ounces · UPC X0016DEVW9
  4. Label 255668 Entered September 24, 2021 · off the market October 17, 2023 · 8 ounces · UPC X001A821GD
  5. Label 255667 Entered September 24, 2021 · off the market October 17, 2023 · 4 ounces · UPC X0017MDU2L
  6. Label 255666 Entered September 24, 2021 · off the market October 17, 2023 · 2 oz · UPC X0016DEVW9

DSLD also links this label to: Quercetin (package size difference, same product), Quercetin (package size difference, same product), Quercetin (image difference, same product), Quercetin (package size difference, same product).

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

Who makes it?

The label names Samsara Herbs Inc. (distributor), Clearfield, Utah. All Samsara Herbs products.

Where next?