No known drug interactions for the matched ingredients — not a guarantee none exist. Check your meds →
Dietary supplement

Purple Loosestrife Ingredients & Drug Interactions

by Pure Herbs

Liquid Category: Botanical
No known interaction
The interaction bottom line No known interaction

Purple Loosestrife is a dietary supplement by Pure Herbs with 1 active ingredient. Its ingredients are commonly taken for diarrhea, digestive upset, minor wound care.We don’t currently list a known drug interaction for its mapped ingredients — but that doesn’t guarantee none exist, so always confirm with your pharmacist.

HelloPharmacist Scorecard of Purple Loosestrife by Pure Herbs

Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.

From our pharmacy team — supplement deep dive

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 1 of its 1 active ingredient.
  • No proprietary blends here — you can verify the dose of every single component.

This liquid contains one active ingredient: purple loosestrife aerial parts extract. Purple loosestrife is an herb that's been used in folk medicine, though human safety data remain limited.

The product has no other inactive ingredients listed.

Does it work?

Couldn't assess
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Not assessable

We hold no graded evidence for this product's ingredients for its stated purpose.

Why this rating?
  • The label markets this product for: supports healthy liver function and muscle cramps.
  • Our graded evidence for these ingredients doesn't cover that particular purpose.

We don't hold effectiveness ratings for purple loosestrife in our data, so we can't tell you what the evidence shows it does or doesn't do. If you're considering it for a specific health concern, ask your pharmacist or doctor what the research actually supports.

The evidence, ingredient by ingredient Purple Loosestrife

How safe is it?

Some data gaps
Safety Information · database check
Some gaps

Safety data exists for these ingredients, but with some important gaps.

Why this rating?
  • We hold adverse-effect (side-effect) data for 0 of the 1 matched ingredient.
  • Pregnancy & breastfeeding safety ratings cover 1 of 1.
  • General safety write-ups exist for 1 of 1.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Purple loosestrife is generally used in folk medicine, but human safety data are limited. The product label notes that there isn't enough safety information during pregnancy, and it should be avoided while breastfeeding due to lack of reliable data.

If you're pregnant, planning to become pregnant, or breastfeeding, talk with your doctor or pharmacist before using this product. No adverse effects are documented in the data we hold for this ingredient.

Side effects, ingredient by ingredient Purple Loosestrife

Meds to double-check

No known interactions
Known Interaction Concern · database check
No known interactions

No medication interactions are currently documented for the matched ingredients — that isn't a guarantee none exist.

Why this rating?
  • None of the 1 matched ingredient has a documented medication interaction on file.

No interactions are documented in our data for the medications we could check.

The bottom line

Scorecard at a glanceFully disclosed formula with no assessable stated purpose. No medication interactions are currently documented, and some safety-information gaps remain.

Purple Loosestrife is a folk herbal remedy with very limited human safety research. If you're pregnant, breastfeeding, or have questions about whether it's right for your situation, check with your pharmacist or doctor first.

No drug interactions are documented, but that doesn't mean they can't happen — run your medications through the tool on this page if you decide to use it.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated Dec 13, 2022.

This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed

At a glance

General information

Key facts about Purple Loosestrife, straight from the product label.

Brand Pure Herbs
Net contents 1 Fluid Ounce(s); 30 mL
Market status On market
Date entered into DSLD Dec 13, 2022
DSLD ID 278830
Product type Botanical
Supplement form Liquid
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Women (not pregnant or lactating)
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for Purple Loosestrife by Pure Herbs, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
2 mL
Maximum serving Sizes:
2 mL
Servings per container
15
IngredientAmount% DV
Purple Loosestrife aerial parts extract1935 mg--

Other ingredients: None

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Suggested/Recommended/Usage/Directions

Directions: For adults, mix 2 mL (abt. 1/2 tsp) of extract in 2 fl. oz (60 mL) water one time daily preferably with a meal.

Shake well before use

Formulation

Supports healthy liver function. Beneficial for relief of occasional muscle cramps.

FDA Disclaimer Statement

This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

Precautions

Warning: Not intended for use by pregnant or nursing women. If you have a medical condition or are taking medication, consult your doctor prior to use.

Discontinue use and consult with your doctor if any adverse reactions occur.

Keep out of reach of children

Brand IP Statement(s)

Pure Herbs, Ltd. Natural Herbal Extracts

FDA Statement of Identity

Dietary Supplement

General Statements

"No expense has been spared to provide the finest nature has to offer."

See for yourself

Purple Loosestrife by Pure Herbs label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

What’s inside

The Ingredients in Purple Loosestrife by Pure Herbs

This is the 1 active ingredient this product is made of. Select it to open its full monograph.

Serving size2 mL Dosage formLiquid Servings per container15 Amounts shown are per serving.

1935 mg per serving

Purple Loosestrife is a flowering wetland plant traditionally used for diarrhea and minor digestive or skin complaints, largely because of its astring...

Purple Loosestrife aerial parts extract monograph & interactions

Other (inactive) ingredients: None. These complete the product’s ingredient list but are not active constituents.

Interaction report

Purple Loosestrife by Pure Herbs Drug Interactions

We don’t currently list any known drug interactions for the mapped ingredients in Purple Loosestrife. This doesn’t guarantee none exist — always confirm with your pharmacist before combining a supplement with your medications.

The maker

Brand information

Manufacturer and brand details for Purple Loosestrife, from the product label.

Pure Herbs

See all Pure Herbs products
Name
Pure Herbs, Ltd.
City
Sterling Heights
State
MI
Phone Number
(800) 860-4372
Web Address
www.pureherbs.com
Pharmacist Counseling Corner

Purple Loosestrife by Pure Herbs: Common Questions

Does Purple Loosestrife by Pure Herbs interact with any medications?
We do not currently list a known interaction for the mapped ingredients in Purple Loosestrife. This does not guarantee none exist, so confirm with your pharmacist.
How can one product interact with so many drugs?
Purple Loosestrife contains a single active ingredient, and that one ingredient can interact with many different medications on its own. We check it against each medication and show the mechanism responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Is purple loosestrife safe to take while pregnant?
The safety data aren't there to say it's safe during pregnancy. The product label advises against it. Talk with your doctor or pharmacist before using it if you're pregnant or planning to become pregnant.
Can I take this while breastfeeding?
No — the product should be avoided while breastfeeding because there's no reliable safety data. Check with your doctor or pharmacist for alternatives if you're nursing.
What is purple loosestrife used for?
Purple loosestrife has been used in folk medicine, but we don't have effectiveness ratings in our data for what it's meant to do. Your pharmacist can tell you more about traditional uses and what research exists.
Are there any side effects listed for this product?
No adverse effects are documented in the data we hold for purple loosestrife. That doesn't mean they can't happen — safety research in humans is still limited.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Not sure if Purple Loosestrife is safe with your meds?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

Purple Loosestrife label
Go deeper

The Full Monographs Behind Purple Loosestrife’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Sources

Sources & How We Checked

Purple Loosestrife's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

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