Quercetin Bromelain Complex®

Other Combinations

Brand: Douglas Laboratories

Tablet or PillOther CombinationsOff Market

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

Net Contents

100 Tablet(s)

Serving Size

1–3 Tablet(s)

Servings Per Container

100

Supplement Form

Tablet or Pill

Bar Code (UPC/SKU)

7 45287 11021 8

Product Version

QBC

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.

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

Supplement Facts

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

Ingredient	Amount Per Serving	% Daily Value
Vitamin C	200 mg	333%
Magnesium Ascorbate	—	—
Ascorbic Acid	—	—
Magnesium(Magnesium Ascorbate)	13 mg	3%
Quercetin	333 mg	—
Bromelain	240 MCU	—

Not Present

Other Ingredients

CelluloseStearic AcidVegetable StearateSilicaEthylcellulose

Target Groups

Adult (18 - 50 Years)

Label Claims

All OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested Use: As a dietary supplement, adults take 1 to 3 tablets daily between meals or as directed by your healthcare professional.

Warnings & Precautions

Precautions re: All Other

Tamper resistant package, do not use if outer seal is missing.

Precautions re: Children

KEEP OUT OF REACH OF CHILDREN.

Storage

For optimal storage conditions, store in a cool, dry place. (59(0)-77(0)F/15(0)-25(0)C) (35-65% relative humidity)

Formulation

Formula re: Contains

Quercetin is a unique bioavonoid with potent antioxidant activity. Magnesium ascorbate is a buffered (non-acidic) form of vitamin C, a key antioxidant that is synergistic with quercetin. Bromelain is a proteolytic enzyme obtained from pineapple

FDA Statements

FDA Statement of Identity

A Dietary Supplement

FDA Disclaimer Statement

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

Other Label Statements

General: Product/Version Code

QBC

Manufacturer & Distributor

Manufacturer

Douglas Laboratories

600 Boyce Road, Pittsburgh, PA, 15205, USA

1.800.245.4440

Market Reference

$9.40 – $74.99· 40 listings

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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.

PHILOSOFIT SPORTS & NUTRITION
5.0 (51)
Vitamin & Supplements Shop
891b Washwood Heath Rd, Ward End, Birmingham B8 2NA
Directions 07495 925607
Master of Nutrition
4.6 (112)
Vitamin & Supplements Shop
110 Bordesley Grn, Birmingham B9 4TS
Directions 0121 448 5690
Body Mania
4.7 (179)
Vitamin & Supplements Shop
328 Slade Rd, Birmingham B23 7LP
Directions 0121 382 0001
Elite sports nutrition
5.0 (11)
Vitamin & Supplements Shop
Chelmsley Woods Centre, 20 Greenwood Wy, Birmingham B37 5TL
Directions 07568 357815
Europe Nutrition Supplements
4.5 (2)
Sports Nutrition Shop
Northwood St, Birmingham HA6 3XL
Directions
Active Nutrition
5.0 (21)
Vitamin & Supplements Shop
2168 Coventry Rd, Sheldon, Birmingham B26 3JB
Directions 07777 808870
Starplus Vitamins Ltd
3.5 (2)
Vitamin & Supplements Shop
Kings Rd, Tyseley, Birmingham B11 2AL
Directions
Bodyshocker Sports Supplement Warehouse
4.9 (26)
Vitamin & Supplements Shop
Monkspath Business Park, Highlands Rd, Shirley, Solihull B90 4NZ
Directions 0121 709 0433

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 2014-03-25. DSLD Label ID: 31343. 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.