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

Cowslip Flower Ingredients & Drug Interactions

by TerraVita

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

Cowslip Flower is a dietary supplement by TerraVita with 1 active ingredient. Its ingredients are commonly taken for cough and chest congestion, bronchitis and sinus problems, trouble sleeping.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 Cowslip Flower by TerraVita

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 product contains one active ingredient: cowslip flower glycerite liquid extract — a concentrated herbal preparation made with glycerin. Glycerin is an inactive ingredient (it's the liquid base that carries the extract).

Cowslip flower has been used in traditional teas and herbal medicine, though rigorous modern safety and effectiveness studies are sparse.

Does it work?

Moderate evidence
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

This product doesn't appear to be marketed for a specific use, so we graded Cowslip's overall clinical evidence instead.

Moderate

Some clinical evidence supports Cowslip for:

Why this rating?
  • We looked at the product name, claims, and label statements and couldn't find a stated purpose to grade.
  • Since the label doesn't commit to one use, we graded the ingredient's overall clinical evidence instead.
  • On file: Sinusitis — rated "Possibly Effective" (Natural Medicines).

The data we hold indicates cowslip flower is possibly effective for sinusitis (sinus inflammation and congestion). That means there's some traditional use and limited evidence to suggest it may help, but we don't have robust clinical proof yet.

If you're considering it for sinus symptoms, talk with your doctor about whether it's right for you and what to expect.

The evidence, ingredient by ingredient Cowslip

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.

Cowslip flower is generally well tolerated, but human safety data are limited and some people may have allergic reactions. The safety data advise against use during pregnancy and while breastfeeding because there isn't enough information to know whether it's safe in those situations.

If you're pregnant, nursing, or planning either, talk with your doctor or pharmacist before taking this product.

Side effects, ingredient by ingredient Cowslip

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 ingredient we could check. That doesn't mean none exist — it simply reflects what's in the monograph.

If you take prescription medications, use the checker on this page to verify your exact drugs before starting.

The bottom line

Scorecard at a glanceFully disclosed formula with some supporting evidence behind its ingredients' uses. No medication interactions are currently documented, and some safety-information gaps remain.

Cowslip Flower may be worth considering if you're exploring herbal approaches to sinus symptoms and are not pregnant or breastfeeding. Because safety data are sparse, it's a good idea to check with your own doctor or pharmacist before starting it, especially if you're taking other medications or have allergies.

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 Nov 22, 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 Cowslip Flower, straight from the product label.

Brand TerraVita
Barcode (UPC) 064435223427
Net contents 1 Fluid Ounce(s); 30 mL
Market status On market
Date entered into DSLD Nov 22, 2022
DSLD ID 280020
Product type Botanical
Supplement form Liquid
Dietary claims / uses All Other
Intended target group(s) Adult (18 - 50 Years)
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 Cowslip Flower by TerraVita, 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:
25 Drop(s)
Maximum serving Sizes:
40 Drop(s)
Servings per container
227
UPC/BARCODE
064435223427
IngredientAmount% DV
Cowslip Flower Glycerite Liquid Extract0.13 mL--

Other ingredients: Glycerin

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.
Brand IP Statement(s)

Copyright 2018 TerraVita - Distributed by ZooScape LLC, All Rights Reserved.

Formula

Glycerite liquid extract (1:5)

Formulation

Alcohol free No flavor

Suggested/Recommended/Usage/Directions

Suggested Use: Take 25-40 drops of extract in a small amount of warm water 3-4 times daily. Shake well before using.

Precautions

Keep away from children.

Do not use if safety seal around cap is broken or missing.

See for yourself

Cowslip Flower by TerraVita label

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

What’s inside

The Ingredients in Cowslip Flower by TerraVita

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

Serving size25 Drop(s) Dosage formLiquid Servings per container227 Amounts shown are per serving.

0.13 mL per serving

Cowslip is a traditional European herb whose flowers and roots have long been used as a tea or syrup, mainly for coughs and congestion. Solid human st...

Cowslip Flower Glycerite Liquid Extract monograph & interactions

Other (inactive) ingredients: Glycerin. These complete the product’s ingredient list but are not active constituents.

Interaction report

Cowslip Flower by TerraVita Drug Interactions

We don’t currently list any known drug interactions for the mapped ingredients in Cowslip Flower. 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 Cowslip Flower, from the product label.

TerraVita

See all TerraVita products
Name
ZooScape LLC
Phone Number
844-449-0444
Web Address
www.ZooScape.com
Pharmacist Counseling Corner

Cowslip Flower by TerraVita: Common Questions

Does Cowslip Flower by TerraVita interact with any medications?
We do not currently list a known interaction for the mapped ingredients in Cowslip Flower. This does not guarantee none exist, so confirm with your pharmacist.
How can one product interact with so many drugs?
Cowslip Flower 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.
Can I take this if I'm pregnant?
The safety data advise against it. There isn't enough information to know whether cowslip flower is safe during pregnancy, so it's best avoided. Talk with your doctor or pharmacist for personalized advice.
Can I take this while breastfeeding?
Safety while breastfeeding is unknown, so avoid use. If you're nursing and interested in herbal support, check with your doctor or pharmacist about safer options.
What is cowslip flower used for?
Cowslip flower is possibly effective for sinusitis — sinus inflammation and congestion. It's been used in traditional teas, though modern clinical evidence is still limited.
Are there any common side effects?
Adverse effects aren't documented in the data we hold. That said, human safety data are limited overall, and some people may have allergic reactions. If you experience any unusual symptoms, stop taking it and contact your doctor.
What's the liquid base made of?
The extract is suspended in glycerin, a sweet liquid commonly used in herbal preparations as a gentle, preserving base.

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

Not sure if Cowslip Flower 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.

Cowslip Flower label
Go deeper

The Full Monographs Behind Cowslip Flower’s Ingredients

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

Sources

Sources & How We Checked

Cowslip Flower'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.

The 3 references behind this product’s interaction data

Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.

Cowslip 3 references
  1. Neubauer N, Marz RW. Placebo-controlled, randomized, double-blind, clincal trial with Sinupret sugar coated tablets on the basis of a therapy with antibiotics and decongestant nasal drops in acute sinusitis. Phytomedicine 1994;1:177-81.
  2. Marz RW, Ismail C, Popp MA. Action profile and efficacy of a herbal combination preparation for the treatment of sinusitis. Wien Med Wochenschr 1999;149:202-8.
  3. Peric A, Kovacevic SV, Gacesa D, Peric AV. Efficacy and safety of combined treatment of acute rhinosinusitis by herbal medicinal product Sinupret and mometasone furoate nasal spray. ENT Updates 2017;7(2):68-74. DOI

See these in context on the Cowslip monograph →

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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