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Verified by IngredientMD/NOW Foods/NOW Passionflower 350mg
VERIFIED BYingredientMD

NOW Passionflower 350mg.

Strong evidence, strong doseNOW Foods, verified Oct 2026Formula verified. Independently reviewed.Independent review. Not commissioned by NOW Foods.

Passion Flower Extract is the lead active here, studied most for stress resilience. 6 human studies on Passion Flower Extract back this formula, each one cited. Each serving carries 700 mg of Passion Flower Extract, inside the range the published research used. Who it fits: for everyone, adults.

Clinically dosedFull label disclosure
1Active ingredient6Human studies700 mgPassion Flower Extract
NOW Passionflower 350mgVerified by IngredientMD
NOW FoodsIngredientMD
The verdict
Strong evidence, strong dose
For everyone, adults.
How we verify

The brand submits the formula. We read the supplement facts panel and weigh dose, form and synergy against the clinical evidence. Labs test. IngredientMD verifies. The fee pays for review time, never for the outcome.

The formula
Passion Flower Extract: Stress resilienceKey driver

How we read this product

Source: Supplement facts
Supplement Facts panel for NOW Passionflower 350mg
  1. 01
    We read the label.

    The panel on the left is the one we evaluated, line by line.

  2. 02
    Every active, separately.

    All 1 actives checked against the clinical evidence: dose, form, and what the research actually shows.

  3. 03
    Then the formula as a whole.

    Doses, ratios, and how the ingredients work together. That assessment is the verdict above: "Strong evidence, strong dose".

  4. 04
    Earned, not bought.

    The verdict is public and identical whether or not a brand pays. A formula that does not clear the bar gets nothing.

Read by the engine against 2.1 million data points from clinical trials, PubMed and more than a hundred vetted sources. No individual reviewer is named or implied.

The receipts

6
Human studies
700 mg
Passion Flower Extract
700 mg per serving clears the studied 200 mg minimum
Passion Flower Extract, Akhondzadeh et al. 2001 J Clin Pharm Ther; Ngan & Conduit 2011 Phytother Res
Read the evidencePassion Flower Extract, the evidence →

Inside the formula

Passion Flower Extract
Stress resilience
Studied 200 mg to 1 g a day
Key driver
In context

The gap this formula speaks to.

Public health figures the engine matched to this formula's ingredients. Reported by their source, cited and dated, never written by the brand.

The people it speaks toFieldwork 2024

12% of US adults

regularly reported feelings of worry, nervousness, and anxiety in 2024, in the National Health Interview Survey.

CDC National Center for Health Statistics, 2024
The people it speaks toFieldwork 2024

39% of adults worldwide

said they worried a lot the previous day, in the Gallup World Poll fielded in 2024 across 144 countries and territories.

Gallup, 2024
The people it speaks toFieldwork 2024

37% of adults worldwide

said they felt stressed the previous day, in the Gallup World Poll fielded in 2024 across 144 countries and territories.

Gallup, 2024
Daily usePublished 2024

59 to 66 days

was the median time it took adults to make a new daily health habit automatic across the studies a 2024 review pooled, with individuals ranging from 4 to 335 days.

Systematic review and meta-analysis, 2024
Passion Flower Extract

Randomised trial, 2022

In 31 healthy adults, 14 days of a four-herb blend containing passionflower lowered self-reported tension and softened stress-response measures during a lab task, though passionflower's own share can't be separated.

Journal of Psychopharmacology
4 more
Passion Flower Extract

Randomised trial, 2011

In 41 healthy adults, drinking passionflower tea for a week raised sleep-quality ratings compared with placebo.

Phytotherapy Research
Passion Flower Extract

Systematic review, 2020

Across 9 clinical trials, passionflower most often reduced anxiety ratings, with a smaller effect in people with mild anxiety, and no reports of memory or movement problems.

Nutrients
Passion Flower Extract

Randomised trial, 2008

A single 500 mg dose of passionflower given 90 minutes before outpatient surgery lowered pre-procedure anxiety ratings versus placebo, without added sedation.

Anesthesia and Analgesia

Population figures from public health data. Context for the category, not a statement about any individual and not a claim about this product.

What this formula earned

Every one of these is a fact the engine could ground.

Each line below was derived from this formula's own record at the time of verification. Nothing here was written by the brand, and nothing can be added that the evidence does not carry.

  • Studied in people6 human studies on Passion Flower Extract back this formula, each one cited.
  • A mechanism that is settledHow Passion Flower Extract works is settled pharmacology.
  • Serving amount inside the studied rangeEach serving carries 700 mg of Passion Flower Extract, inside the range the published research used.
  • A stated daily maintenance amountPassion Flower Extract is here at a daily maintenance amount, which is what a daily supplement is for.
  • Why this formatIt is a capsule, so the amount per serving is fixed and travels without measuring.
  • The exact form, describedThe form on the label is Passionflower herb, cut and sifted. The record says what that form is and what it suits.
  • Full label disclosureEvery ingredient on this label carries its own declared amount.
  • Where it comes from and how it is madePassion Flower Extract is made by botanical.
  • Positions this formula already qualifies forThis formula already qualifies for positions beyond the one it is sold into, on the evidence it carries.
  • A position nobody is holding yetSome of those positions are ones almost nobody is selling to yet.
General timing

How each ingredient usually behaves over time.

One ingredient, from its own page.

  • Passion Flower ExtractAbout 30 to 60 minutes

    Often 30 to 60 minutes for the settled feeling after a dose. Calm that holds across a whole day builds over about two weeks of taking it daily.

    Its own page, the plain answer on timing

How each ingredient usually behaves over time, from its own page on IngredientMD. General timing for the ingredient, not a measurement of this product.

Format

Capsule

It is a capsule, so the amount per serving is fixed and travels without measuring.

Best forMost standard doses, and anywhere a short, clean label is the point.

Questions shoppers ask

Is NOW Passionflower 350mg independently verified?
Yes. IngredientMD reviewed this formula independently and verified it in Oct 2026. The verdict is earned, not bought: brands can't edit or purchase it.
What's in NOW Passionflower 350mg?
NOW Passionflower 350mg is built on Passion Flower Extract. Each ingredient links to its own evidence page on IngredientMD.
Who is IngredientMD?
IngredientMD is an independent supplement-science platform. We analyze ingredients and formulas against clinical research, and we verify products only when they clear our bar. Labs run the tests. We review the results.
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These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. This record is not medical advice. Always consult your healthcare provider before starting any supplement regimen.

Independent review by IngredientMD, not commissioned by NOW FoodsWork at NOW Foods? This verification is yours to claim →