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Lung Health

Dr Tobias
4.6
★ ★ ★ ★ ★
(514 ratings)
Stinging Nettle 25 mg
Bromelain 25 mg
Cordyceps 250 mg
Vitamin K 50 mcg
Flavonoid (mixture) 125 mg
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Score63
A low-dose respiratory botanical blend with weak potency disclosure; unverified butterbur purity and vitamin K interactions make it difficult to recommend broadly.
How scoring works
Quantity:60 Capsule(s) • (60 servings)
Goals:
Anti-Inflammatory Support

Score 63

A low-dose respiratory botanical blend with weak potency disclosure; unverified butterbur purity and vitamin K interactions make it difficult to recommend broadly.
How scoring works
$27.02($0.45 per serving)
iHerb
$ 27.02
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Analysis

Cordyceps, bromelain, quercetin, citrus bioflavonoids, pine bark, nettle, and feverfew create a recognizable respiratory and inflammatory-support theme. Calcium ascorbate adds a modest amount of buffered vitamin C.

Most actives are present at small amounts, and bromelain lacks enzyme activity units. Cordyceps has no species, source-material, extraction, or marker information, while the vitamin K2 subtype is not identified.

The formula is poorly aligned with testosterone support and only moderately useful for broad inflammatory balance. Butterbur is not stated to be free of pyrrolizidine alkaloids, which is a major product-specific safety uncertainty.

Who is it for
  • Adults specifically evaluating a respiratory-support blend
  • Users who can verify the butterbur safety specification
  • People not taking vitamin K antagonist medicines
Best for
  • Broad respiratory-oriented botanical support
  • Modest antioxidant support
  • Users seeking a compact multi-ingredient formula

Pros

  • Coherent respiratory ingredient theme
  • Buffered vitamin C form
  • Individual ingredient weights are listed

Cons

  • Most goal-relevant amounts are low
  • Bromelain activity is not stated
  • Cordyceps and vitamin K forms lack key detail

Warnings

  • Do not use unless the butterbur is verified free of pyrrolizidine alkaloids because unspecified butterbur may pose liver risk
  • Vitamin K can oppose warfarin and related vitamin K antagonist medicines
  • Bromelain may increase bleeding risk with anticoagulant or antiplatelet medicines
  • Feverfew may also be unsuitable with medicines that affect bleeding

Nutrient quality

56 Moderate impact

Calcium ascorbate is favorable, but most extracts lack species, active markers, or potency details. Cordyceps is moderate, while bromelain, nettle, quercetin, and several botanicals are underdosed.

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Ingredient transparency

71 High impact

All ingredient weights are listed, but active-marker potency is widely missing. The supplied data does not include a complete inactive ingredient list.

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Customer satisfaction

67 High impact

The aggregate satisfaction measure is strong enough to support a favorable first impression. Missing feedback themes leave repeat complaints and purpose fit uncertain despite adequate volume.

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Value for money

56 Moderate impact

The moderate price is hard to justify given weak doses and large quality gaps. Each serving is affordable, but the effective dose depth is limited.

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Goals

Anti-Inflammatory Support
Impact
Moderate effect
C+ Goal FitF Strength of SupportC+ CoverageC- Formula Quality
Vitamin C · 125 mg

The broad botanical and enzyme blend touches several inflammatory, histamine, and antioxidant pathways. Respiratory-focused ingredients create a recognizable formula theme.

Most goal-relevant actives are present at low amounts and lack potency standardization. Menaquinone may reduce warfarin's effect, while butterbur should be verified as free of pyrrolizidine alkaloids before use.

Study evidence
Bromelain Supportive 12 studies
Stinging Nettle Supportive 5 studies

Ingredients

IngredientAmount per serving
Vitamin C (Calcium Ascorbate)
125 mg
Cordyceps extract
250 mg
Citrus Bioflavonoids Complex
125 mg
Quercetin
50 mg
Butterbur extract
37.5 mg
Bromelain (Pineapple)
25 mg
Feverfew leaf extract
25 mg
Stinging Nettle root extract
25 mg
Pine bark extract
25 mg
Menaquinone
50 mcg
Adults 18–50
Report overview
Stinging Nettle · 25 mg OverallScore31
F Active Ingredient Quality & BioavailabilityF Dose, Safety & Label TransparencyF Value

The formula provides only 25 mg of stinging nettle root extract, leaving nettle as a minor part of the blend. Root is poorly aligned with the respiratory and allergy-focused ingredients, where leaf would be the more relevant plant part. The amount is clearly disclosed and the serving cost is moderate, but the low dose and absent standardization weaken its fit.

F Active Ingredient Quality & BioavailabilityF Dose, Safety & Label TransparencyF Value
The bromelain contribution is small and lacks enzyme activity units, so its practical potency cannot be confirmed. A standard capsule offers limited protection for an enzyme intended for systemic respiratory support, and no useful timing instructions are provided. Menaquinone supplies vitamin K, which can reduce warfarin's effect and makes unsupervised use inappropriate for people taking that anticoagulant.
Cordyceps · 250 mg OverallScore27
F Active Ingredient Quality & BioavailabilityD- Dose, Safety & Label TransparencyD+ Value

The cordyceps amount reaches the collection's moderate dose band, but the label omits species, source material, extraction method, and active-marker standardization. The low serving cost partly offsets these substantial quality and transparency gaps. Butterbur is not identified as PA-free, so residual pyrrolizidine alkaloids could pose a liver toxicity risk.

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Sources

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

  1. 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
  2. [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
  3. 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
  4. 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
  5. Effect of Oral Administration of Bromelain on Postoperative Discomfort After Third Molar Surgery.
    Ghensi P; Cucchi A; Creminelli L; Tomasi C; Zavan B; Maiorana C · The Journal of craniofacial surgery · 2018
    Randomized trial84 participantsAnti-Inflammatory Support forBromelain
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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