Usnea Lichen Moss Powder Ingredients & Drug Interactions
by TerraVita Premium Collection
What is this page for?
First and foremost: checking Usnea Lichen Moss Powder 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
Usnea Lichen Moss Powder is a dietary supplement by TerraVita Premium Collection with 1 active ingredient. Its ingredients are commonly taken for sore throat, skin and wound care, respiratory infections.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 Usnea Lichen 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.
What’s inside
Full disclosure
This product contains one active ingredient: Usnea Lichen Moss Powder. Usnea is a lichen — a symbiotic organism made up of fungus and algae — that has been used traditionally for various purposes.
The powder form delivers the whole lichen in a form you can mix into food or drinks.
Does it work?
Couldn't assess
The evidence for usnea is currently insufficient. We hold data showing insufficient reliable evidence to rate it for cough, acute pain, wound healing, tinea pedis (athlete's foot), and obesity.
This doesn't mean it doesn't work — it means clinical studies haven't established whether it does.
How safe is it?
Well-documented data
Here's what you need to know: topical use of usnea (applied to skin) is generally well tolerated, but oral use carries a real concern. Usnea contains usnic acid, which has been linked to liver damage when taken by mouth.
If you're considering taking this powder orally, that's a conversation to have with your pharmacist or doctor first. The data also advises against using this product during pregnancy or while breastfeeding — there isn't enough safety information to know either way.
Some people have reported topical reactions including contact dermatitis and, rarely, allergic reactions with respiratory symptoms.
Meds to double-check
No known interactions
No interactions are documented in our data for this ingredient. That means it's not known to interfere with how your medications work — but it's not a green light.
The real caution here is the product itself: oral usnea carries a liver safety concern that's separate from drug interactions.
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.
This powder might appeal to someone interested in traditional herbal remedies, but the evidence for what it actually does isn't established yet. The bigger issue is safety: if you plan to take it by mouth, talk with your pharmacist about the liver concerns tied to usnic acid.
Pregnant or breastfeeding? Skip it for now — the data isn't there to say it's safe.
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 Apr 21, 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
General information
Key facts about Usnea Lichen Moss Powder, straight from the product label.
| Brand | TerraVita Premium Collection |
|---|---|
| Barcode (UPC) | 064435149000 |
| Net contents | 4 Ounce(s) |
| Market status | On market |
| Date entered into DSLD | Apr 21, 2023 |
| DSLD ID | 290182 |
| Product type | Botanical |
| Supplement form | Powder |
| Dietary claims / uses | All Other, Structure/Function |
| Intended target group(s) | Adult (18 - 50 Years) |
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 Usnea Lichen Moss Powder by TerraVita Premium Collection, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Usnea Lichen Moss, Powder | 1000 mg | -- |
Tap any ingredient to jump to its full detail below.
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.
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Usnea Lichen Moss Powder by TerraVita Premium Collection label
The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.
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)The Ingredients in Usnea Lichen 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 container113 Amounts shown are per serving.
Usnea Lichen Moss, Powder
No knowninteractions
Usnea is a lichen used in traditional herbal medicine, mainly for sore throats, skin infections, and as a general antimicrobial. Laboratory studies su...
Usnea Lichen Moss, Powder monograph & interactionsUsnea Lichen Moss Powder by TerraVita Premium Collection Drug Interactions
We don’t currently list any known drug interactions for the mapped ingredients in Usnea Lichen Moss Powder. This doesn’t guarantee none exist — always confirm with your pharmacist before combining a supplement with your medications.
Brand information
Manufacturer and brand details for Usnea Lichen Moss Powder, from the product label.
TerraVita Premium Collection
See all TerraVita Premium Collection products- Name
- TerraVita Fine Whole Herbs
- City
- Brampton
- State
- Ontario
Usnea Lichen Moss Powder by TerraVita Premium Collection: Common Questions
Does Usnea Lichen Moss Powder by TerraVita Premium Collection interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
Can I take this if I'm pregnant or breastfeeding?
Is this safe to take by mouth?
What is usnea actually used for?
Are there any common side effects I should expect?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if Usnea Lichen Moss Powder is safe with your meds?
Our pharmacists answer your medication & supplement questions — free.
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.
The Full Monographs Behind Usnea Lichen Moss Powder’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Sources & How We Checked
Usnea Lichen 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.
- NIH Dietary Supplement Label Database (DSLD) — The official product label on file for this supplement.
- Natural Medicines (Therapeutic Research Center) — Evidence-graded clinical reference behind the ingredient interaction data.
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 10 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.
Usnea 10 references
- Favreau JT, Ryu Ml, Braunstein G, et al. Severe hepatotoxicity associated with the dietary supplement LipoKinetix. Ann Intern Med 2002;136:590-5. PubMed
- Ingolfsdottir K. Usnic acid. Phytochemistry 2002;61:729-36.
- Scirpa, P., Scambia, G., Masciullo, V., Battaglia, F., Foti, E., Lopez, R., Villa, P., Malecore, M., and Mancuso, S. [A zinc sulfate and usnic acid preparation used as post-surgical adjuvant therapy in genital lesions by Human Papillomavirus]. Minerva Gin
- Mitchell, J. C. Allergy to lichens. Allergic contact dermatitis from usnic acid produced by lichenized fungi. Arch Dermatol 1965;92(2):142-146.
- Durazo, F. A., Lassman, C., Han, S. H., Saab, S., Lee, N. P., Kawano, M., Saggi, B., Gordon, S., Farmer, D. G., Yersiz, H., Goldstein, R. L., Ghobrial, M., and Busuttil, R. W. Fulminant liver failure due to usnic acid for weight loss. Am.J Gastroenterol. PubMed
- Neff, G. W., Reddy, K. R., Durazo, F. A., Meyer, D., Marrero, R., and Kaplowitz, N. Severe hepatotoxicity associated with the use of weight loss diet supplements containing ma huang or usnic acid. J Hepatol. 2004;41(6):1062-1064. PubMed
- Hsu, L. M., Huang, Y. S., Chang, F. Y., and Lee, S. D. 'Fat burner' herb, usnic Acid, induced acute hepatitis in a family. J Gastroenterol.Hepatol. 2005;20(7):1138-1139. PubMed
- Arneborn, P., Jansson, A., and Bottiger, Y. [Acute hepatitis in a woman after intake of slimming pills bought via Internet]. Lakartidningen 7-11-2005;102(28-29):2071-2072.
- Sanchez, W., Maple, J. T., Burgart, L. J., and Kamath, P. S. Severe hepatotoxicity associated with use of a dietary supplement containing usnic acid. Mayo Clin Proc 2006;81(4):541-544. PubMed
- Rafanelli, S., Bacchilega, R., Stanganelli, I., and Rafanelli, A. Contact dermatitis from usnic acid in vaginal ovules. Contact Dermatitis 1995;33(4):271-272. PubMed
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