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

Icelandic Moss Ingredients & Drug Interactions

by TerraVita

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

Icelandic Moss is a dietary supplement by TerraVita with 1 active ingredient. Its ingredients are commonly taken for dry cough and throat irritation, sore or inflamed throat and mouth, digestive upset and loss of appetite.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 Icelandic Moss 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: Icelandic Moss Glycerite Liquid Extract. Icelandic moss is a lichen used traditionally to soothe the throat and respiratory tract.

The extract is suspended in glycerin, a common liquid base that helps preserve the product and makes it easier to take by mouth.

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

This is a single-ingredient Iceland Moss product and its label doesn't state a use — see Iceland Moss's own graded uses on its monograph.

Why this rating?
  • We looked at the product name, claims, and label statements and couldn't find a stated purpose to grade.

We don't have effectiveness ratings on file for Icelandic Moss, so the evidence supporting its use isn't established in our data.

The evidence, ingredient by ingredient Iceland Moss

How safe is it?

Well-documented data
Safety Information · database check
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.

Icelandic moss is generally well tolerated for short-term use, but human safety data is limited and quality varies between products. When taken by mouth, it can cause stomach or digestive irritation in some people.

Sensitization (an allergic-type reaction) to Iceland moss is rare. One caution: Iceland moss can be contaminated with lead — up to 30 mg/kg of its dry weight — which may lead to lead toxicity if you use it as a primary food source for a long time.

The safety data advises against use during pregnancy because there isn't enough information to know it's safe. Breastfeeding safety is also unknown, so talk with your doctor before using it if you're nursing.

Side effects, ingredient by ingredient Iceland Moss

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 for the ingredients we could check. That said, run your exact medications through the search tool on this page to be sure.

The bottom line

Scorecard at a glanceFully disclosed formula with no assessable stated purpose. No medication interactions are currently documented, and safety information is well characterized.

Icelandic Moss by TerraVita is a single-ingredient throat and respiratory support product with no documented drug interactions. It's generally well tolerated short-term, though digestive upset can happen and long-term use carries a potential lead exposure risk.

Because pregnancy and breastfeeding safety data are limited, pregnant or nursing people should check with their own doctor or pharmacist first. For anyone else, it's worth a quick medication review before starting.

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 Icelandic Moss, straight from the product label.

Brand TerraVita
Barcode (UPC) 064435226077
Net contents 1 Fluid Ounce(s); 30 mL
Market status On market
Date entered into DSLD Dec 13, 2022
DSLD ID 279695
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 Icelandic Moss 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
064435226077
IngredientAmount% DV
Icelandic Moss 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

Icelandic Moss by TerraVita label

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

What’s inside

The Ingredients in Icelandic Moss 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

Iceland moss is a lichen traditionally used as a soothing remedy for dry cough and throat or mouth irritation, mainly because of its mucilage (gel-for...

Icelandic Moss Glycerite Liquid Extract monograph & interactions

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

Interaction report

Icelandic Moss by TerraVita Drug Interactions

We don’t currently list any known drug interactions for the mapped ingredients in Icelandic Moss. 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 Icelandic Moss, 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

Icelandic Moss by TerraVita: Common Questions

Does Icelandic Moss by TerraVita interact with any medications?
We do not currently list a known interaction for the mapped ingredients in Icelandic Moss. This does not guarantee none exist, so confirm with your pharmacist.
How can one product interact with so many drugs?
Icelandic Moss 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 Icelandic Moss if I'm pregnant?
The safety data advises against it. There isn't enough information to know it's safe during pregnancy, so talk with your doctor before using it.
Is it safe to use while breastfeeding?
Breastfeeding safety is unknown. Avoid it unless your doctor has cleared it for you.
What side effects might I experience?
Digestive irritation is the main concern. Allergic-type reactions to Iceland moss are rare. If you use it long-term, be aware that Iceland moss can pick up lead from the environment, which could build up in your body over time.
How much safety data exists for this product?
Human safety evidence is limited, and quality varies between products. We know it's generally well tolerated for short-term use, but longer-term safety isn't well established.

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

Not sure if Icelandic Moss 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.

Icelandic Moss label
Go deeper

The Full Monographs Behind Icelandic Moss’s Ingredients

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

Sources

Sources & How We Checked

Icelandic Moss'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.

Iceland Moss 3 references
  1. Tyler VE. Herbs of Choice. Binghamton, NY: Pharmaceutical Products Press, 1994.
  2. McGuffin M, Hobbs C, Upton R, Goldberg A, eds. American Herbal Products Association's Botanical Safety Handbook. Boca Raton, FL: CRC Press, LLC 1997.
  3. Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.

See these in context on the Iceland 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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