The short answer · Respiratory infection duration
Take andrographis for respiratory infection duration. This is the one to buy.
Nutricost, Andrographis Extract, 450 mg, 180 Capsules
4.8· 304 ratings· $0.08/serving
Andrographis 450 mg — inside the studied 300-1200 mg window
Of 414 products scored for Respiratory infection duration, Nutricost, Andrographis Extract, 450 mg, 180 Capsules ranks #1 with a DoseRank score of 82. Andrographis is the strongest evidence signal for this outcome.
Retailer links may be affiliate links. Rankings and placement are never paid.
The form“Why Andrographis — not Quercetin Phytosome or Bifidobacterium lactis?”Evidence Strong evidence
Andrographis is the strongest evidence signal for this outcome.
- AndrographisThe pick
Strong evidence · 450 mg
Bitter herb (Andrographis paniculata) standardized to andrographolides; used in traditional Asian medicine and studied for shortening the duration of upper respiratory infections.
- Quercetin Phytosome
Limited evidence · 1000 mg
Quercetin bound to phosphatidylcholine for markedly better oral absorption; this phytosome delivers the flavonoid's antioxidant activity more reliably than standard powder.
- Bifidobacterium lactis
Strong evidence · 12000000000 CFU
Well-researched probiotic strain (also labeled Bb-12) noted for gut barrier support, immune modulation, and tolerance of acidic GI conditions.
The dose“Is the dose actually effective?”Dose fit 71
Andrographis at 450 mg lands inside the studied 300-1200 mg window.
Andrographis
Studied window 300-1200 mg · this pick 450 mg
The ranking“Why should I trust this pick?”Trust 64
Mixed trust signals — ratings are positive but the base is limited. Each product gets a DoseRank score blending clinical strength, evidence, dose fit, trust and value. Retailer links may be affiliate links — the scoring model decides placement, never payment from a brand.
- 414 products scored
- Never paid placement
- Evidence level: Strong · 92
- 129 brands
- 6 ingredients
The price“Can I do better than $0.08 a serving?”Value 87
$0.08 per serving — low price tier for this outcome. Nothing else in this ranking costs less per serving.
Ready?
The #1 pick is $0.08 a serving.Nutricost, Andrographis Extract, 450 mg, 180 Capsules — in stock at a tracked retailer.
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Nutricost, Andrographis Extract, 450 mg, 180 Capsules ranks #1 for Respiratory infection duration with a DoseRank score of 82. The score blends clinical strength, evidence, dose fit, trust signals and value across 414 products scored for this outcome.
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