Quercetin Bromelain Complex®

Other Combinations

Brand: Douglas Laboratories

Tablet or PillOther CombinationsOn Market

Functions

Antioxidant & Anti-Aging Immune Support

Product label for Quercetin Bromelain Complex — Click to view full label

Net Contents

100 Tablet(s)

Serving Size

1 Tablet(s)

Servings Per Container

100

Supplement Form

Tablet or Pill

Bar Code (UPC/SKU)

7 45287 11021 8

Product Version

Formula #QBC V3

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

4Active Ingredients

4 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

2% Daily Value Coverage

2 ingredients report a %DV; 1 meet or exceed 100% DV.

2Dietary Attributes

Label states: Non-GMO, Gluten-Free.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen Guide

Free From

Gluten

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Supplement Facts

Serving Size: 1 Tablet(s) · 1–3 per day

Ingredient	Amount Per Serving	% Daily Value
Vitamin C(Ascorbic Acid, Magnesium Ascorbate)	200 mg	222%
Magnesium(Magnesium Ascorbate)	13 mg	3%
Quercetin(Quercetin Dihydrate)	333 mg	—
Bromelain(Ananas comosus)	50 mg	—

Not Present

Other Ingredients

Microcrystalline CelluloseHydroxypropyl CelluloseCroscarmellose SodiumStearic AcidVegetable StearateSilica

Target Groups

Adult (18 - 50 Years)Women (not pregnant or lactating)Gluten Free

Label Claims

All OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested Usage: As a dietary supplement, adults take 1 tablet, 1-3 times daily between meals or as directed by your health professional.

Warnings & Precautions

Precautions re: Pregnant or Nursing or Prescription Medications

Warning: Not to be taken by pregnant or lactating women. if you have any health condition or are taking any medication, consult your health professional before use.

Precautions re: Children

Keep out of the reach of children.

Precautions re: All Other

Use only if safety seal is intact.

Storage

Store in a cool, dry place.

Formulation

Formulation re: Does NOT Contain

Gluten-free, Non-GMO

Formulation re: Other

Antioxidant and immune support

FDA Statements

FDA Disclaimer Statement

This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

FDA Statement of Identity

Dietary Supplement

Other Label Statements

General Statements: All Other Content

Contents may not fill package in order to accommodate required labeling. Please rely on stated quantity. Scan to learn about our manufacturing excellence

Manufacturer & Distributor

Manufacturer

Douglas Laboratories

600 Boyce Road, Pittsburgh, PA, 15205

1.800.245.4440

Market Reference

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Where to Buy Locally

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

The Vitamin Shoppe
4.4 (189)
Vitamin & supplements store
5545 E Broadway Blvd Ste 119, Tucson, AZ 85711
Directions (520) 777-5476
Adaptogen Superfoods
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Vitamin & supplements store
5556 E Speedway Blvd Unit 120, Tucson, AZ 85712
Directions (520) 613-1964
GNC
3.9 (56)
Vitamin & supplements store
3421 E Broadway Blvd Spc 13, Tucson, AZ 85716
Directions (520) 534-1072
Baker Shaklee Center - Build Health, LLC
5.0 (10)
Vitamin & supplements store
2251 N Indian Ruins Rd, Tucson, AZ 85715
Directions (520) 885-2192
One Stop Nutrition Wilmot Tucson
4.5 (119)
Vitamin & supplements store
245 S Wilmot Rd #175, Tucson, AZ 85711
Directions (520) 800-1888
Herbax USA- Plant-Based Supplements, Products for Life!
Vitamin & supplements store
1718 E Speedway Blvd #4103, Tucson, AZ 85719
Directions (702) 267-8888
Tups Sups
5.0 (38)
Sports nutrition store
7801 E Broadway Blvd, Tucson, AZ 85710
Directions (520) 372-2141
The Vitamin Shoppe
4.6 (119)
Vitamin & supplements store
4329 N Oracle Rd Ste 101, Tucson, AZ 85705
Directions (520) 293-7150

Research & Studies

Effects of quadruple therapy: zinc, quercetin, bromelain and vitamin C on the clinical outcomes of patients infected with COVID-19
AK Ahmed, YS Albalawi, HA Shora… - Rea Int J of End and …, 2020 - researchgate.net
… Quadriple therapy consisting of Zinc, Quercetin, Bromelain and Vitamin C showed promising … These results indicated that bromelain potentially activates the healthy immune system in …
202025 citations
Phytochemicals in the treatment of inflammation-associated diseases: the journey from preclinical trials to clinical practice
A Nisar, S Jagtap, S Vyavahare… - Frontiers in …, 2023 - frontiersin.org
… diseases are the greatest threat to public health. Inflammatory action is the … Quercetin is a common flavonol found in fruits and … One report found that quercetin reduced COX, 5-LOX 9 (…
2023188 citations
Evaluation of the effect of zinc, quercetin, bromelain and vitamin C on COVID-19 patients
A Kamel, H Abdelseed, Y Albalawi, E Aslsalameen… - MedRxiv, 2020 - medrxiv.org
… quercetin 800 mg, bromelain 165 mg, zinc acetate 50 mg and ascorbic acid 1 g once daily as supplements for 3 … and efficacy of quercetin, bromelain, zinc and ascorbic acid combination …
202012 citations
The Combination of Quercetin and Bromelain with Zinc, EGCG, Retinoic Acid, Vitamin C and Vitamin D for the potential Symptom Reducer, Prevention, and …
A Ahmed, AA Kattan, M Elkazzaz, MC Orzechowski - 2019 - researchgate.net
… These results indicated that bromelain potentially activates the healthy … using quercetin 800 mg, bromelain 165 mg, zinc acetate 50 mg, and ascorbic acid 1 g once daily as supplements …
20191 citations
Nutraceutical Interventions in Arthritis
R Klatz, B Goldman - redwoodcitybackpainrelief.com
… in order to construct a valuable health care program. Unique … Bromelain is a proteolytic enzyme complex derived from the … Quercetin also helps to reduce two contributory factors in the …
Evaluation of the Effect of Zinc, Quercetin, Bromelain and Vitamin C on COVID-19 Patients
A Ahmed, H Abdelseed, H Shora… - International …, 2023 - researchlakejournals.com
… and safety of Quercetin, Bromelain, zinc, and ascorbic acid supplements in … Quercetin 800 mg, Bromelain 165 mg, zinc acetate 50 mg, and ascorbic acid 1 g once daily as supplements …
2023

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Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2020-08-23. DSLD Label ID: 232198. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.