Quercetin/Nettle Liquid

by Highland Laboratories · liquid · 4 oz.

  • On the market (NIH)
  • UPC 7 68305 11484 5
  • DSLD label 79886
  • Serving 1 tsp
  • 24 servings

Quercetin/Nettle Liquid by Highland Laboratories lists 3 ingredients, 3 with an amount per serving of 1 tsp, such as 100 mg of vitamin C, 200 mg of quercetin and 30 mg of stinging nettle. Its current label entered the NIH Dietary Supplement Label Database on October 21, 2017.

What is in Quercetin/Nettle Liquid?

Each row as the label prints it, per serving of 1 tsp. 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/Nettle Liquid: Supplement Facts rows against the market (DSLD label 79886, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Ascorbic Acid100 mg166%Vitamin C in Quercetin/Nettle Liquid 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). Per day at the most servings: 300 mg.

Quercetin200 mgQuercetin in Quercetin/Nettle Liquid against 1,548 products200 mg per serving; the middle half of products list 26.5 mg to 250 mg, the median 100 mg.200 mg

Higher than 66% of 1,548 products listing quercetin (median 100 mg). Per day at the most servings: 600 mg.

Stinging NettleStinging Nettle PlantPart: leaf Genus: Urtica Species: dioica Note: freeze dried30 mgStinging Nettle in Quercetin/Nettle Liquid against 710 products30 mg per serving; the middle half of products list 50 mg to 300 mg, the median 120 mg.30 mg

81% of 710 products listing stinging nettle give more (median 120 mg). Per day at the most servings: 90 mg.

Source: NIH ODS Dietary Supplement Label Database, label 79886 (entered October 21, 2017), 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 2 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?

The products whose ingredient lists overlap most with Quercetin/Nettle Liquid'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
Shake well before using
Adults one teaspoon 2-3 times daily, children (4-12 yrs.) 1/2 teaspoon 2-3 times daily, as a dietary supplement. Consult your health care practitioner before exceeding 5 teaspoons for adults or 2 1/2 teaspoons for children.
Allergens and what it does not contain
Laboratory tested gluten-free product
No soy, salt, yeast, gluten, milk & egg products, sucrose, or preservatives.
Storage
Refrigerate after opening

Source: label statements in DSLD label 79886.

What else is on the label?

Other ingredients: purified Water, Fructose, Maltodextrin, Lemon Flavor, Cultured Dextrose, Stevia, Natural Sweetener.

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

How many labels does Quercetin/Nettle Liquid have?

One label is on file, entered on October 21, 2017.

  1. Label 79886 (current) Entered October 21, 2017 · on the market · 4 oz. · UPC 7 68305 11484 5

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

Who makes it?

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

Where next?