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Quercetin Bromelain

ForestLeaf
4.6
★ ★ ★ ★ ★
(192 ratings)
Bromelain 150 mg
Stinging Nettle 500 mg
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Score78
A focused quercetin and nettle formula with useful supporting ingredients, though key identity and potency details are missing.
How scoring works
Quantity:90 Capsule(s) • (45 servings)
Goals:
Anti-Inflammatory Support

Score 78

A focused quercetin and nettle formula with useful supporting ingredients, though key identity and potency details are missing.
How scoring works
$23.99($0.53 per serving)
iHerb
$ 23.99
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Analysis

Quercetin and stinging nettle form the core of this allergy and inflammatory-response blend. Vitamin C supports antioxidant defenses, while bromelain adds enzyme-based support at a moderate listed amount.

All four amounts are disclosed, which makes the formula easy to understand. The label does not identify the nettle plant part or preparation, and bromelain potency cannot be judged without activity units.

Adults seeking a compact quercetin-based formula may find the two-capsule serving convenient. It is less suitable for shoppers who need standardized botanicals or verified enzyme activity.

Who is it for
  • Adults seeking seasonal sensitivity or inflammatory-response support
  • People who want quercetin, nettle, vitamin C, and bromelain together
Best for
  • Quercetin-led antioxidant support
  • A compact four-ingredient formula

Pros

  • Substantial quercetin and nettle amounts
  • Includes vitamin C and bromelain
  • Every active amount is listed
  • Avoids an opaque proprietary blend

Cons

  • Nettle plant part is not identified
  • Bromelain activity units are missing
  • No extract standardization is provided
  • Testosterone alignment is indirect and limited

Warnings

  • Bromelain may increase bleeding tendency with anticoagulant or antiplatelet medicines
  • Bromelain may trigger symptoms in people with pineapple sensitivity
  • Nettle may add to diuretic or blood-pressure-lowering effects

Nutrient quality

84 Highest impact

Meaningful quercetin, nettle, vitamin C, and bromelain create a coherent anti-inflammatory formula. Missing nettle part and bromelain activity limit dose precision despite the focused design.

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Ingredient transparency

79 High impact

All active amounts are disclosed without a hidden blend. Some botanical specifications, daily-use directions, and non-active ingredients are missing.

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Customer satisfaction

63 Moderate impact

The available rating is strong and the sample is moderate. Detailed feedback was not supplied, so repeated complaints and alignment with the intended use remain uncertain.

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Value for money

81 Highest impact

Meaningful doses and a focused design provide good practical value. Incomplete botanical specifications are the main quality trade-off.

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Report analysis

Goals

Anti-Inflammatory Support
Anti-Inflammatory Support
Impact
High effect
B Goal FitC+ Strength of SupportB+ CoverageA Formula Quality
Vitamin C · 200 mg

Quercetin, nettle, bromelain, and vitamin C offer broad support for histamine, oxidative, and inflammatory-protein pathways. Quercetin and nettle are substantial, while bromelain provides a moderate supporting amount.

Bromelain activity units and systemic-use timing are not supplied, and the nettle plant part is unknown. Bromelain may increase bleeding tendency in people using anticoagulant or antiplatelet medicines.

Study evidence
Bromelain Supportive 12 studies
Stinging Nettle Supportive 5 studies
Vitamin C Supportive 50 studies

Ingredients

IngredientAmount per serving
Vitamin C (L-Ascorbic Acid)
 200 mg
Quercetin (Quercetin Dihydrate)
 500 mg
Stinging Nettle
500 mg
Bromelain
150 mg
Gluten Free Adults 18–50 Dairy Free
Report overview
Bromelain · 150 mg OverallScore43
F Active Ingredient Quality & BioavailabilityD- Dose, Safety & Label TransparencyD+ Value

The bromelain dose is useful in a broad quercetin and nettle formula, although no activity units verify potency. Its standard capsule, unspecified source, and missing timing guidance leave systemic delivery uncertain. The large quercetin amount improves the broader value despite a high standardized bromelain cost.

View ingredientView products
Stinging Nettle · 500 mg OverallScore42
F Active Ingredient Quality & BioavailabilityB Dose, Safety & Label TransparencyD+ Value

The nettle amount is substantial, but the label does not identify the plant part or whether it is an extract. That missing detail prevents a confident match to a specific use and leaves potency uncertain. The amount is clearly disclosed and the serving cost is reasonable, though value depends on the undisclosed form.

View ingredientView products
Loading alternative details
84 Performance

Stinging Nettles

Swanson Superior Herbs
A combination of 250 mg nettle leaf extract identified by silicic acid and 67.5 mg nettle root extract provides more detailed nettle coverage. Bromelain and quercetin are absent, but the leaf-and-root design gives the nettle portion greater depth.
86 Performance

Bromelain 2400 GDU/g - 500 mg

NOW
A 500 mg bromelain dose with stated enzyme activity provides much clearer digestive and anti-inflammatory enzyme support. Nettle and quercetin are absent, so the improvement is specific to bromelain strength and disclosure.
83 Performance

High Potency Bromelain 3000 GDU 500 mg

Doctor's Best
A 500 mg bromelain dose with high stated enzyme activity gives stronger potency information than formulas listing weight alone. Nettle, quercetin, and vitamin C are absent, making it a targeted enzyme option rather than a broad blend.
81 Budget

Stinging Nettle Root 500 mg

Swanson
A much lower serving cost provides 500 mg of stinging nettle in a simple single-ingredient formula. Bromelain, quercetin, and vitamin C are absent, so it suits someone prioritizing nettle rather than the original combined support.
81 Budget

Bromelain 500 mg

AN Amazing Nutrition Amazing Formulas
A much lower serving cost provides 500 mg of bromelain with a concise label. Nettle and quercetin are absent, and enzyme activity units are not supplied, so the lower cost comes with a narrower and less characterized formula.
82 Budget

Bromelain 500 mg

Natural Factors
A lower serving cost provides 500 mg of pineapple-derived bromelain and a long supply. Enzyme activity is not stated and nettle is absent, making it a focused bromelain alternative rather than a complete replacement.
83 Value

Nettle Root 250 mg

California Gold Nutrition EuroHerbs
A low serving cost provides a clearly identified nettle root extract using Urtica dioica and Urtica urens. Bromelain and quercetin are absent, but the focused formula offers useful nettle quality and serving value.
83 Value

Stinging Nettle Root Extract 250 mg

NOW
A moderate serving cost provides 500 mg of stinging nettle extract in a concise formula. Missing bromelain and quercetin limit breadth, while the concentrated nettle amount supports better value for a nettle-first goal.
81 Value

Bromelain 500 mg

The Vitamin Shoppe
A low serving cost and long supply provide 500 mg of pineapple-derived bromelain. Enzyme activity units are missing and nettle is absent, but the simple formula is cost-effective for focused bromelain use.
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Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Efficacy of proteolytic enzyme bromelain on health outcomes after third molar surgery. Systematic review and meta-analysis of randomized clinical trials.
    Mendes ML; do Nascimento-Júnior EM; Reinheimer DM; Martins-Filho PR · Medicina oral, patologia oral y cirugia bucal · 2019
    Meta-analysis6 studies pooledAnti-Inflammatory Support forBromelain
  2. Urtica Dioica Root Extract on Clinical and Biochemical Parameters in Patients with Benign Prostatic Hyperplasia, Randomized Controlled Trial.
    Akbar Karami A; Sheikhsoleimani M; Reza Memarzadeh M; Haddadi E; Bakhshpour M; Mohammadi N; Mehdi Mirhashemi S · Pakistan journal of biological sciences : PJBS · 2021
    Randomized trial60 participantsAnti-Inflammatory Support forStinging Nettle
  3. Is bromelain an effective drug for the control of pain and inflammation associated with impacted third molar surgery? Systematic review and meta-analysis.
    de A C Almeida R; de Sousa Lima FCM; do E Vasconcelos BC · International journal of oral and maxillofacial surgery · 2019
    Meta-analysis252 participants5 studies pooledAnti-Inflammatory Support forBromelain
  4. [Recommendations of the DGRh Committee on Complementary Medicine and Nutrition on the application of selected phytotherapeutic drugs and herbal medicines in rheumatology].
    Keyßer G; Seifert O; Frohne I; Michalsen A; Pfeil A; Reuß-Borst M; Sander O · Zeitschrift fur Rheumatologie · 2025
    Guideline / consensusAnti-Inflammatory Support forStinging Nettle
  5. Therapeutic efficacy of bromelain in impacted third molar surgery: a randomized controlled clinical study.
    Ordesi P; Pisoni L; Nannei P; Macchi M; Borloni R; Siervo S · Quintessence international (Berlin, Germany : 1985) · 2016
    Randomized trial80 participantsAnti-Inflammatory Support forBromelain
  6. Placebo-controlled randomized clinical trial on the immunomodulating activities of low- and high-dose bromelain after oral administration - new evidence on the antiinflammatory mode of action of bromelain.
    Müller S; März R; Schmolz M; Drewelow B; Eschmann K; Meiser P · Phytotherapy research : PTR · 2013
    Randomized trial12 participantsAnti-Inflammatory Support forBromelain
  7. An Evaluation of the Effects of Pineapple-Extract and Bromelain-Based Treatment after Mandibular Third Molar Surgery: A Randomized Three-Arm Clinical Study.
    Colletti A; Procchio C; Pisano M; Martelli A; Pellizzato M; Cravotto G · Nutrients · 2024
    Randomized trial42 participantsAnti-Inflammatory Support forBromelain
  8. Therapeutic uses of pineapple-extracted bromelain in surgical care - A review.
    Muhammad ZA; Ahmad T · JPMA. The Journal of the Pakistan Medical Association · 2019
    Narrative reviewAnti-Inflammatory Support forBromelain
  9. The effect of hydro alcoholic Nettle (Urtica dioica) extracts on insulin sensitivity and some inflammatory indicators in patients with type 2 diabetes: a randomized double-blind control trial.
    Namazi N; Esfanjani AT; Heshmati J; Bahrami A · Pakistan journal of biological sciences : PJBS · 2012
    Randomized trial50 participantsAnti-Inflammatory Support forStinging Nettle
  10. Safety, Tolerability, and Efficacy of Hox Alpha, a Dry Extract from Stinging Nettle Leaves versus OTC NSAIDs in Osteoarthritis: A Retrospective, Propensity-Matched 12-Week Analysis from the German Pain e-Registry (SIPHARO Study).
    Überall MA; Küster MA; Müller-Schwefe PCG; Müller-Schwefe GHH · Journal of pain research · 2026
    Cohort study2,146 participantsAnti-Inflammatory Support forStinging Nettle
  11. Randomized controlled trial of nettle sting for treatment of base-of-thumb pain
    C Randall, H Randall, F Dobbs, C Hutton, H Sanders · Journal of the Royal Society of Medicine · 2000
    Randomized trial27 participantsAnti-Inflammatory Support forStinging Nettle
  12. Efficacy of Vitamin C as Glucocorticoid Substitute for Reducing Pain and Inflammation After Total Hip Arthroplasty: A Randomized Controlled Trial.
    Jiang W; Xu H; Jiang X; Zhan Y; Ju Y; Xie J; Huang Z; Huang Q; Pei F · The Journal of bone and joint surgery. American volume · 2025
    Randomized trial107 participantsAnti-Inflammatory Support forVitamin C
  13. The Impact of Vitamin C on Analgesic, Anti-inflammatory, and Hemostatic Outcomes After Total Hip and Knee Arthroplasty: A Systematic Review and Meta-Analysis.
    Moftakhari Hajimirzaei S; Bagherzadeh Cham M; Dolikhani M; Tabatabaee SM; Ebrahimpour A · The archives of bone and joint surgery · 2026
    Meta-analysis1,162 participants10 studies pooledAnti-Inflammatory Support forVitamin C
  14. The impact of vitamin C supplementation on the perioperative outcomes after total hip and knee arthroplasty: a systematic review and meta-analysis.
    Liu X; Guo J; Li Y; Yang Y; Liu M; Gao Q; Yang Y; Wu X; Yue C · BMC musculoskeletal disorders · 2026
    Meta-analysis852 participants8 studies pooledAnti-Inflammatory Support forVitamin C
  15. Therapeutic Impact of Ascorbic Acid on Oral and Periodontal Tissues: A Systematic Literature Review.
    Ruzijevaite G; Acaite E; Jagelaviciene E · Medicina (Kaunas, Lithuania) · 2025
    Systematic review811 participants17 studies pooledAnti-Inflammatory Support forVitamin C
  16. Oral vitamin C administration reduces early recurrence rates after electrical cardioversion of persistent atrial fibrillation and attenuates associated inflammation.
    Korantzopoulos P; Kolettis TM; Kountouris E; Dimitroula V; Karanikis P; Pappa E; Siogas K; Goudevenos JA · International journal of cardiology · 2005
    Randomized trial44 participantsAnti-Inflammatory Support forVitamin C