PlainVitamins

Quercetin Bromelain Complex with NAC

by NHC Natural Healthy Concepts · capsule · 120 capsules

  • On the market (NIH)
  • UPC 6 47732 92546 3
  • DSLD label 318487
  • Serving 2 capsules
  • 60 servings

Quercetin Bromelain Complex with NAC by NHC Natural Healthy Concepts lists 5 ingredients, 5 with an amount per serving of 2 capsules, such as 300 mg of vitamin C, 400 mg of quercetin dihydrate, 400 mg of stinging nettle and 100 mg of bromelain. Its current label entered the NIH Dietary Supplement Label Database on August 22, 2024.

What is in Quercetin Bromelain Complex with NAC?

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 Bromelain Complex with NAC: Supplement Facts rows against the market (DSLD label 318487, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Ascorbic AcidAscorbic acid USP300 mg333%Vitamin C in Quercetin Bromelain Complex with NAC against 18,583 products300 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg300 mg

Higher than 75% of 18,583 products listing vitamin C (median 100 mg). Per day at the most servings: 900 mg.

Quercetin Dihydrate400 mgQuercetin in Quercetin Bromelain Complex with NAC against 1,548 products400 mg per serving; the middle half of products list 26.5 mg to 250 mg, the median 100 mg.400 mg

Higher than 83% of 1,548 products listing quercetin (median 100 mg). Per day at the most servings: 1,200 mg.

Stinging Nettle400 mgStinging Nettle in Quercetin Bromelain Complex with NAC against 710 products400 mg per serving; the middle half of products list 50 mg to 300 mg, the median 120 mg.400 mg

Higher than 83% of 710 products listing stinging nettle (median 120 mg). Per day at the most servings: 1,200 mg.

Bromelainas Pineapple240 GDU100 mgBromelain in Quercetin Bromelain Complex with NAC against 1,337 products100 mg per serving; the middle half of products list 25 mg to 200 mg, the median 50 mg.100 mg

Higher than 55% of 1,337 products listing bromelain (median 50 mg). Per day at the most servings: 300 mg.

N-Acetyl-L-CysteineUSP50 mgN-Acetyl Cysteine in Quercetin Bromelain Complex with NAC against 1,259 products50 mg per serving; the middle half of products list 55 mg to 500 mg, the median 150 mg.50 mg

75% of 1,259 products listing N-acetyl cysteine give more (median 150 mg). Per day at the most servings: 150 mg.

Source: NIH ODS Dietary Supplement Label Database, label 318487 (entered August 22, 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?

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 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.

  • Natural D-HistOrtho Molecular Products same ingredients
  • SinusCarePatient One MediNutritionals same ingredients
  • SinusCarePatient One 1 MediNutritionals same ingredients
  • X-HistHoltraCeuticals same ingredients
  • SinuplexMetagenics same ingredients
  • D-Hist Jr.Ortho Molecular Products same ingredients

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: Loading Dose: 2 capsules three times per day for 7-10 days. Maintenance: 2 capsules per day or as recommended by your health care professional.
Warnings
If you are pregnant or nursing, consult your physician before taking this product.
As with all dietary supplements, some individuals may not tolerate or may be allergic to the ingredients used. Please read the ingredient panel carefully prior to ingestion.
Keep out of reach of children.
This product was sealed for your protection. Do not use if outer logoed neck seal or inner-seal is missing or damaged.
Professional use only
Cease taking this product and consult your physician if you have negative reactions upon ingestion.
Allergens and what it does not contain
Formulated to be free of allergens derived from: Gluten, yeast, artificial colors and flavors.
Storage
Keep container tightly closed. Store at room temperature.

Source: label statements in DSLD label 318487.

What else is on the label?

Other ingredients: Hypromellose, Natural, Magnesium Stearate, Silicon Dioxide, Stearic Acid.

How many labels does Quercetin Bromelain Complex with NAC have?

One label is on file, entered on August 22, 2024.

  1. Label 318487 (current) Entered August 22, 2024 · on the market · 120 capsules · UPC 6 47732 92546 3

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

Who makes it?

The label names NHC (distributor), Appleton, WI. All NHC Natural Healthy Concepts products.

Where next?