BioStacks
Natural Factors

Lung, Bronchial & Sinus Health

1 Tablet · 45 servings · $0.26/serving

34 / 100Poor

Best for

Score Breakdown

Formulation
34
Safety
100
Final score
34/100

Ingredients (8)

Ivy Extract

100%

Dose

50 mg

Target

25–100 mg

Form

N-Acetyl-L-Cysteine

33%

Dose

200 mg

Target

600–1800 mg

Form

Mullein Extract 4:1

33%

Dose

100 mg

Target

300–1500 mg

Form

Bromelain

20%

Dose

100 gdu

Target

500–2400 gdu

Form

Marshmallow Extract 4:1

20%

Dose

100 mg

Target

500–3000 mg

Form

Other Ingredients (4)

Coating (unspecified)Coating

Generic tablet coating declaration where the label does not itemize the coating's components; modern aqueous film coatings are typically cellulose-based (HPMC) with a plasticizer

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

Croscarmellose SodiumDisintegrant

Cross-linked cellulose derivative used as a superdisintegrant

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.