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

Icelandic Moss Powder Ingredients & Drug Interactions

by TerraVita Premium Collection

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

Icelandic Moss Powder is a dietary supplement by TerraVita Premium Collection 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 Powder by TerraVita Premium Collection

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 is 100% Icelandic moss powder — a single active ingredient with no added fillers or inactive ingredients. Icelandic moss is a lichen traditionally used in herbal and folk medicine.

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 data on file for Icelandic moss. The evidence backing its use hasn't been established in the sources we hold, so we can't tell you what it may or may not help with.

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 when used short-term, though human evidence is limited and quality varies between products. The main concern we track is lead contamination — Iceland moss can pick up lead at levels up to 30 mg/kg of its dry weight, which may cause lead toxicity if you consume it as a staple food source over a long stretch of time.

On a short-term basis, stomach irritation is the most common side effect to watch for. Sensitization (allergic reaction) to Iceland moss itself is rare.

The safety data advises against use during pregnancy and breastfeeding. If you're pregnant, planning to become pregnant, or breastfeeding, talk with your doctor or pharmacist before taking this product.

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 in our data for the ingredients we could check. That said, always confirm with your own doctor or pharmacist that it's safe to add alongside any medications you're currently taking.

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 powder might appeal to someone looking for a traditional herbal remedy, but human evidence is thin and quality varies. Stomach irritation and lead exposure from long-term use are the main safety flags.

If you're pregnant, breastfeeding, or take any regular medications, check with your doctor or pharmacist before you start.

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 Jan 23, 2023.

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 Powder, straight from the product label.

Brand TerraVita Premium Collection
Barcode (UPC) 064435138400
Net contents 1 Ounce(s)
Market status On market
Date entered into DSLD Jan 23, 2023
DSLD ID 282705
Product type Botanical
Supplement form Powder
Dietary claims / uses All Other, Structure/Function
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 Powder by TerraVita Premium Collection, 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:
0.25 Teaspoon(s)
Maximum serving Sizes:
0.25 Teaspoon(s)
Servings per container
28
UPC/BARCODE
064435138400
IngredientAmount% DV
Icelandic Moss, Powder1000 mg--

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.
FDA Statement of Identity

A Dietary Supplement

Brand IP Statement(s)

Copyright 2005 TerraVita - Distributed by ZooScape LLC, All Rights Reserved.

Suggested/Recommended/Usage/Directions

Directions Stir 1/4 of a teaspoon into a glass of water and consume 3 times daily, with meals.

General Statements

TerraVita is an exclusive line of premium natural products that use the finest, purest and most potent ingredients in the world. TerraVita's hallmarks are the highest possible standards of purity, potency, stability and freshness. All products are prepared with the greatest quality control, from raw materials through the entire manufacturing process, right up to the moment your product is sealed for freshness and shipped to you.

Please recycle!

FDA Disclaimer Statement

Statements not evaluated by FDA. Product not intended to diagnose, treat, cure, or prevent any disease.

See for yourself

Icelandic Moss Powder by TerraVita Premium Collection label

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

What’s inside

The Ingredients in Icelandic Moss Powder by TerraVita Premium Collection

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

Serving size0.25 Teaspoon(s) Dosage formPowder Servings per container28 Amounts shown are per serving.

Icelandic Moss, Powder

No known
interactions
1000 mg 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, Powder monograph & interactions
Interaction report

Icelandic Moss Powder by TerraVita Premium Collection Drug Interactions

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

TerraVita Premium Collection

See all TerraVita Premium Collection products
Name
TerraVita Fine Whole Herbs
City
Brampton
State
Ontario
Pharmacist Counseling Corner

Icelandic Moss Powder by TerraVita Premium Collection: Common Questions

Does Icelandic Moss Powder by TerraVita Premium Collection interact with any medications?
We do not currently list a known interaction for the mapped ingredients in Icelandic Moss Powder. This does not guarantee none exist, so confirm with your pharmacist.
How can one product interact with so many drugs?
Icelandic Moss Powder 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.
What exactly is Icelandic moss?
Icelandic moss is a lichen — not a true moss — that's been used in traditional herbal medicine for centuries. This product is the dried powder form.
Can I take this while pregnant or breastfeeding?
No. The safety data advises against it during pregnancy, and there isn't enough information to know if it's safe while breastfeeding. Talk with your doctor or pharmacist if you're in either situation and interested in this product.
What side effects should I watch for?
Stomach irritation is the most common side effect reported. Allergic reactions to Iceland moss itself are rare. If you're using this product long-term as a dietary staple, lead contamination is a concern — the product can contain lead at levels that may add up over time.
Does this product have any fillers or binders?
No — this is pure Icelandic moss powder with no inactive ingredients added.
How well does it work for [a specific condition]?
We don't have effectiveness data on file for Icelandic moss, so we can't tell you what it may help with. Talk with your doctor or pharmacist about whether this product is right for what you're looking for.

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

Not sure if Icelandic Moss Powder 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 Powder label
Go deeper

The Full Monographs Behind Icelandic Moss Powder’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 Powder'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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