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DOSERANKEVIDENCE-BASED SUPPLEMENTSFull analysis

The short answer · Withdrawal symptoms

Take passionflower for withdrawal symptoms. This is the one to buy.

Frontier Co-op, Cut & Sifted Passion Flower Herb, 16 oz (453 g)
1

Frontier Co-op, Cut & Sifted Passion Flower Herb, 16 oz (453 g)

4.7· 495 ratings· $0.05/serving

DoseRank score67

Passionflower 1.1 g — higher than the studied 0.3-0.8 g window

Of 447 products scored for Withdrawal symptoms, Frontier Co-op, Cut & Sifted Passion Flower Herb, 16 oz (453 g) ranks #1 with a DoseRank score of 67. Evidence is still thin for Passionflower.

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Retailer links may be affiliate links. Rankings and placement are never paid.

The form“Why Passionflower?”Evidence Limited evidence

Evidence is still thin for Passionflower.

  • PassionflowerThe pick

    Limited evidence · 1.1 g

    Climbing vine with flavonoids including chrysin; mildly sedating GABA-modulating herb used for anxiety and restlessness, often in combination sleep formulas.

Buy the #1 pick
The dose“Is the dose actually effective?”Dose fit 91

Dose-range data is not available for this formula yet.

Passionflower

Studied window 0.3-0.8 g · this pick 1.1 g

The ranking“Why should I trust this pick?”Trust 67

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.

  • 447 products scored
  • Never paid placement
  • Evidence level: Limited · 60
  • 150 brands
  • 3 ingredients
See the full analysis — every score, every productHow the ranking works
The price“Can I do better than $0.05 a serving?”Value 90

$0.05 per serving — low price tier for this outcome. Nothing else in this ranking costs less per serving.

Ready?

The #1 pick is $0.05 a serving.

Frontier Co-op, Cut & Sifted Passion Flower Herb, 16 oz (453 g) — in stock at a tracked retailer.

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Frequently asked

Frontier Co-op, Cut & Sifted Passion Flower Herb, 16 oz (453 g) ranks #1 for Withdrawal symptoms with a DoseRank score of 67. The score blends clinical strength, evidence, dose fit, trust signals and value across 447 products scored for this outcome.

Evidence is still thin for Passionflower.

Dose-range data is not available for this formula yet. DoseRank scores this product's dose fit at 91 out of 100.

Frontier Co-op, Cut & Sifted Passion Flower Herb, 16 oz (453 g) works out at $0.05 per serving. $0.05 per serving — low price tier for this outcome. Nothing else in this ranking costs less per serving.

No. Retailer links may be affiliate links, but rankings and placement are never paid. Every product is scored by the same public model, and the ranking is recomputed from the underlying product data rather than edited by hand.

Use rankings as research support

DoseRank rankings are informational and not medical advice. If you are pregnant, breastfeeding, using medications, or managing a health condition, ask a qualified clinician whether a supplement fits your situation. Stop use and report concerning adverse events to a clinician, the product maker, or the retailer.

Disclosure

Retailer links may be affiliate links. Rankings and placement are not paid placement.

Frontier Co-op, Cut & Sifted Passion Flower Herb, 16 oz (453 g)

$0.05/serving · ★ 4.7 · In stock

60-sec quizView on iHerb