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Dietary supplement

Irish Moss Extract 1200 mg Ingredients & Drug Interactions

by Double Wood Supplements

Irish Moss Extract 1200 mg label
See full label image
Capsule Category: Botanical
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Irish Moss Extract 1200 mg against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.

Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy

The interaction bottom line Most serious interaction: Moderate

Irish Moss Extract 1200 mg is a dietary supplement by Double Wood Supplements with 1 active ingredient. Its ingredients are commonly taken for source of iodine and minerals, thyroid support, respiratory issues and cough.Based on those ingredients, 22 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Irish Moss extract. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Irish Moss Extract 1200 mg by Double Wood Supplements

Ask about any prescription or over-the-counter medication and we check it for interactions with Irish Moss Extract 1200 mg by Double Wood Supplements — and tell you which ingredient is responsible.

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Computed from our clinical databases

HelloPharmacist Scorecard of Irish Moss Extract 1200 mg by Double Wood Supplements

Four independent checks of what is known — a summary of the available information, not a grade of the product itself.

Evidence for Intended Use
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

The stated purpose hasn't been mapped to our evidence data yet.

Why this rating?
  • We haven't mapped this product's purpose to our evidence data yet — it'll be graded on the next content refresh.
Ingredient Transparency
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.
Known Interaction Concern
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 1 of the 1 matched ingredient can interact with medications — Sea Moss.
  • The most serious interaction on file is rated Moderate.
  • For scale: 22 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.
Safety Information
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 1 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.

HelloPharmacist summaryFully disclosed formula with no assessable stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.

Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated Sep 24, 2021.

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 Irish Moss Extract 1200 mg, straight from the product label.

Brand Double Wood Supplements
Barcode (UPC) 859793007907
Net contents 180 Capsule(s)
Market status On market
Date entered into DSLD Sep 24, 2021
DSLD ID 255597
Product type Botanical
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Women (not pregnant or lactating), Gluten Free
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 Irish Moss Extract 1200 mg by Double Wood Supplements, 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 Capsule(s)
Maximum serving Sizes:
2 Capsule(s)
Servings per container
90
UPC/BARCODE
859793007907
IngredientAmount% DV
Irish Moss extract1200 mg--

Other ingredients: Hypromellose, Microcrystalline Cellulose

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.
Formula

Irish Moss is an edible North Atlantic seaweed which produces a mucilaginous substance often used in cosmetics. Irish Moss is also used as a food additive and extracts are taken as a supplement due to the wide variety of vitamins and minerals contained within. Double Wood's Irish Moss is a potent 10:1 extract.

1200 mg per serving

Suggested/Recommended/Usage/Directions

Suggested Use: Take 2 capsules per day with or without food.

Storage

Storage: Store in a cool, dark place. Do not freeze or expose to moisture or heat above room temperature.

FDA Disclaimer Statement

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.

Seals/Symbols

Proudly Made in USA

Formulation

Made with Non-GMO ingredients Gluten free

High in nutrients and minerals

FDA Statement of Identity

Dietary Supplement

Precautions

Warning: Consult your physician before use.

Do not use Irish Moss Extract if you are pregnant, nursing, or under 18 years of age.

Do not use Irish Moss Extract if you are pregnant, nursing, or under 18 years of age.

Discontinue use and consult your doctor immediately if any adverse reactions occur. Do not use Irish Moss Extract and operate heavy machinery until you know how it affects you.

Keep out of reach of children.

Do not exceed 4 capsules per day.

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

Irish Moss Extract 1200 mg by Double Wood Supplements label

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

Irish Moss Extract 1200 mg label

Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.

View the full label (PDF)
What’s inside

The Ingredients in Irish Moss Extract 1200 mg by Double Wood Supplements

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

Serving size2 Capsule(s) Dosage formCapsule Servings per container90 Amounts shown are per serving.

Irish Moss extract

Interacts with
22 drugs
1200 mg per serving

Sea moss is a type of red seaweed that is naturally rich in iodine and several minerals, and it is popular as a 'whole-food' supplement. Strong human...

Irish Moss extract monograph & interactions

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

Interaction report

Irish Moss Extract 1200 mg by Double Wood Supplements Drug Interactions

Irish Moss Extract 1200 mg contains a single active ingredient, and it has known interactions with 22 medications. Here’s the picture, then you can look up your own drug.

Want to check YOUR meds against Irish Moss Extract 1200 mg?

Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.

 Go to the checker
22Drugs
22 Moderate

Ingredients driving the most interactions

Irish Moss extract 22

Individual Drug Interactions

The ingredients in Irish Moss Extract 1200 mg interact with 22 drugs. Click any drug to see the details.

1 of the 1 ingredient in Irish Moss Extract 1200 mg interact with drugs. Each result below shows which ingredient is responsible. Irish Moss extract

Each ingredient & the kinds of drugs it affects

For each ingredient in Irish Moss Extract 1200 mg with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.

Irish Moss extract3 drug types · 22 drugs

Amiodarone (Cordarone)

Theoretically, combining sea moss with amiodarone might cause excessively high iodine levels.
Amiodarone contains 37.3% iodine and can increase iodine levels. Concomitant use with sea moss, which contains approximately 4-7 mcg of iodine per gram, might increase the risk of adverse effects from iodine, including altered thyroid function.

Likelihood Possible Evidence D
Antithyroid Drugs

Due to its iodine content, sea moss might alter the effects of antithyroid drugs.
Sea moss contains approximately 4-7 mcg of iodine per gram. Iodine in high doses has been reported to cause both hyperthyroidism and hypothyroidism, depending on the individual's past medical history. Taking sea moss could theoretically alter the effects of antithyroid drugs.

Likelihood Possible Evidence D
Thyroid Hormone

Due to its iodine content, sea moss might alter the effects of thyroid hormone.
Sea moss contains approximately 4-7 mcg of iodine per gram. Iodine in high doses has been reported to cause both hyperthyroidism and hypothyroidism, depending on the individual's past medical history. Taking sea moss could theoretically alter the effects of thyroid hormone.

Likelihood Possible Evidence D
Irish Moss extract full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Irish Moss Extract 1200 mg, from the product label.

Double Wood Supplements

See all Double Wood Supplements products
Name
Double Wood LLC
Street Address
3510 Scotts Ln Ste 219
City
Philadelphia
State
PA
ZipCode
19129-1573
Web Address
www.doublewoodsupplements.com
Pharmacist Counseling Corner

Irish Moss Extract 1200 mg by Double Wood Supplements: Common Questions

Does Irish Moss Extract 1200 mg by Double Wood Supplements interact with any medications?
Yes. Based on its ingredients, Irish Moss Extract 1200 mg has a known interaction with 22 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Irish Moss Extract 1200 mg 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.

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

Not sure if Irish Moss Extract 1200 mg is safe with your meds?

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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.

Irish Moss Extract 1200 mg label
Go deeper

The Full Monographs Behind Irish Moss Extract 1200 mg’s Ingredients

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

Herb & supplement monograph

Sea Moss

Interacts with 22 drugs

Sea moss is a type of red seaweed that is naturally rich in iodine and several minerals, and it is popular as a 'whole-food' supplement. Strong human evidence for most of its health claims i...

Read the full Sea Moss monograph →
Sources

Sources & How We Checked

Irish Moss Extract 1200 mg'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.

Sea Moss 3 references
  1. Darias-Rosales J, Rubio C, Gutiérrez ÁJ, Paz S, Hardisson A. Risk assessment of iodine intake from the consumption of red seaweeds (Palmaria palmata and Chondrus crispus). Environ Sci Pollut Res Int 2020;27(36):45737-45741. PubMed
  2. U.S. Department of Agriculture (USDA). Agricultural Research Service. FoodData Central. Seaweed, irishmoss, raw. April 2019. Available at: https://fdc.nal.usda.gov/fdc-app.html#/food-details/168456/nutrients. Accessed Aug. 30, 2022.
  3. Palmieri B, Vadalà M, Laurino C. Clinical effects of overwintered-stressed Chondrus Crispus and non-overwintered-stressed Chondrus crispus dietary supplementations. Asian J Med Sci. 2018; 9(6): 7-13. DOI

See these in context on the Sea Moss 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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