Drug & supplement interaction

Iceland Moss + Sodium Bicarbonate (OTC Drug)

Sodium Bicarbonate (OTC Drug) brand name: Sodium Bicarbonate.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Iceland Moss and Sodium Bicarbonate (OTC Drug) in our sources. Absence of a documented interaction is not the same as proven safety, and does not guarantee one does not exist. Do not start, stop, or change a medication or supplement based on this page; confirm with your pharmacist or doctor first.

Know someone taking this? Share
Interaction report

Iceland Moss and Sodium Bicarbonate (OTC Drug)

We checked these two against our interaction database. Here is what we found.

No Known Interaction Found

We did not find a documented interaction between Sodium Bicarbonate (OTC Drug) and Iceland Moss in our sources. This does not guarantee that the combination is completely free of risk — there is often limited research on supplements and herbal products, especially around drug interactions.

Worth understanding: our licensed dataset holds no drug-interaction record for Iceland Moss at all — not against Sodium Bicarbonate (OTC Drug), and not against any other medication we track. This verdict therefore rests on the absence of any recorded data, not on research that looked at this combination and found nothing. We cannot rule an interaction out.

If you decide to take both, the practical routine is simple: add one new thing at a time and note the date you started it. If the combination is going to disagree with you, it usually shows in the first days to a couple of weeks — and a start date turns “I’ve been feeling off” into something a pharmacist can actually work with. Do not stop a prescribed medicine on your own.

Always talk with your pharmacist or doctor before making changes to your medications or supplements, particularly if you take several medications or have an ongoing health condition.

Iceland Moss safety at a glance

Iceland Moss overall Use caution Generally well tolerated short-term, but human evidence is limited and quality varies between products.
Pregnancy Possibly Unsafe When used orally; avoid Iceland moss due to the potential for lead contamination. Read the full pregnancy detail
Breastfeeding Possibly Unsafe When used orally; avoid Iceland moss due to the potential for lead contamination. Read the full breastfeeding detail

Pregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center) — the full detail is in the Special populations card below. Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

Still wondering about combining Sodium Bicarbonate (OTC Drug) and Iceland Moss? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

What Sodium Bicarbonate (OTC Drug)’s Own FDA Label Lists

This is not an interaction — none of it involves Iceland Moss. These are the most notable effects listed in the ADVERSE REACTIONS section of Sodium Bicarbonate (OTC Drug)’s own FDA label, for the medication by itself. Knowing the drug’s own list makes it easier to work out the likely cause if something new turns up while you take both.

  • Mood changes or irritability

From the ADVERSE REACTIONS section of the FDA label for Sodium Bicarbonate (OTC Drug). Read the label on DailyMed › Iceland Moss’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Iceland Moss side to compare — that is a limit of the record, not a statement that Iceland Moss has no side effects.

Special populations

Iceland Moss in Pregnancy & Breastfeeding

Pregnancy And Lactation Possibly Unsafe

When used orally; avoid Iceland moss due to the potential for lead contamination.

DISCLAIMER: This tool is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions.© 2026 Therapeutic Research Center

From our Q&A

Questions About Iceland Moss or Sodium Bicarbonate (OTC Drug)

These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers Iceland Moss or Sodium Bicarbonate (OTC Drug), not necessarily both, but if one is close to what you were about to ask it will usually go further than a database entry can:

Not quite your question? Ask our pharmacists directly — it is free, there is no account required, and answers usually come back within 24 hours.

Everything else you take

See Every Supplement That Interacts With Sodium Bicarbonate (OTC Drug)

This page covers Iceland Moss only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Sodium Bicarbonate (OTC Drug) page lists 30 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Cinchona (moderate), Coffee Charcoal (moderate), European Mandrake (moderate) and Glucomannan (moderate).

By severity: 1 major · 10 moderate · 19 minor.

Open the Sodium Bicarbonate (OTC Drug) interaction page

One more smart check

Taking Iceland Moss as Part of a Dietary Supplement Product? Check It for Interactions

We hold 56 real supplement products containing Iceland Moss, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Iceland Moss. Even though Iceland Moss itself has no known interaction with Sodium Bicarbonate (OTC Drug), another ingredient on your label might. Find your product and we’ll check every ingredient on its label:

How much people look this up

Where Iceland Moss and Sodium Bicarbonate (OTC Drug) Sit Against Everything Else

Out of every supplement and medication people look up on HelloPharmacist, here is where these two land this week — and which way each has been moving.

Supplement Iceland Moss
Steady interest

#921 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Sodium Bicarbonate (OTC Drug)
Top 10%

#203 of 2,830 medications looked up here in the last 7 days

29 days ago today

Position among everything looked up on this site, not a measure of how commonly either one is used or how important it is. A supplement can climb this list because of a news story. It counts every request to the page, automated ones included, and nothing here identifies anyone.

Where does our data come from?
  • Source: the Natural Medicines (TRC Healthcare) clinical database — the evidence-graded professional reference for herb & supplement interactions.
  • Citation library: 103,510 references behind our interaction content, 65,311 of them resolved to verified PubMed/DOI sources. See every Iceland Moss reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified October 4, 2026. The Iceland Moss and Sodium Bicarbonate (OTC Drug) records this page draws on were last updated July 10, 2026.
  • What “no known interaction” means: no documented interaction in the sources above — not a guarantee of safety. Supplements are studied far less than prescription drugs, so we say exactly what the evidence supports, and nothing more.
Data structure & sourcing designed and verified by .
Supplement

About Iceland Moss

What is Iceland Moss?

  • Dry cough and throat irritation
  • Sore or inflamed throat and mouth
  • Digestive upset and loss of appetite
  • Bronchial irritation
  • Soothing mucous membranes

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-forming fibers). High-quality human studies are limited, so its benefits are not well proven. It is generally considered well tolerated for short-term use, but pregnant and breastfeeding people should avoid it due to a lack of safety data.

Cetraria islandica · Parmeliaceae · Whole lichen (thallus) · Tea, lozenges, liquid extracts, tinctures, capsules, syrups

An interaction check asks whether these two react with each other — it does not ask whether Iceland Moss is a good idea for someone in your situation. Here is what our Iceland Moss record says about it on its own.

Iceland Moss: dosing

There is no official, standardized dose of Iceland moss. Traditional preparations include a tea made from the dried lichen, lozenges, and liquid extracts, and the right amount depends on the specific product.The safest approach is to follow the directions on the product label and not exceed the recommended amount.

From our Iceland Moss monograph — the full record covers uses, side effects and every documented interaction.

Read the full Iceland Moss monograph & all interactions
Medication

About Sodium Bicarbonate

What Is Sodium Bicarbonate Used For?

Brand name: Sodium Bicarbonate

Sodium bicarbonate is sold in several forms, and each product has its own use.

By mouth, powders, tablets and liquids such as Anti-Empacho and De La Cruz Desempacho relieve heartburn, sour stomach, acid indigestion and upset stomach from these symptoms. Topical products such as AHHH Bite Relief, After Bite and Itch Eraser Sensitive help relieve minor skin irritation and itching from insect bites and poison ivy, oak or sumac. EcoDent Ultimate Essential Mouthcare is a liquid for cleansing minor wounds or minor gum inflammation in the mouth. The injection treats metabolic acidosis in children and is used to alkalinize the urine in certain drug poisonings.

See full Sodium Bicarbonate drug information Sodium Bicarbonate NDC codes and packages
Keep checking

Other Drugs & Iceland Moss

Browse every other medication we’ve checked against Iceland Moss — both the ones with a known interaction and the ones without. Select any drug for the full detail.

0Major
0Moderate
0Minor
2,829No known interaction
No interaction 2,829 drugs checked — show the list
Evidence & sources

Iceland Moss References

The 3 references that drive our Iceland Moss monograph and interaction data, from the evidence-graded Natural Medicines (TRC Healthcare) database. Citations with a link open the study on PubMed or the publisher’s site.

  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.

Medication overviews come from MedlinePlus (NIH); supplement label data from the NIH Dietary Supplement Label Database. Content is written and reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.

Pharmacist Counseling Corner

Taking Iceland Moss and Sodium Bicarbonate (OTC Drug) Together: Common Questions

Is it safe to take Iceland Moss with Sodium Bicarbonate (OTC Drug)?
We do not list a known interaction between Iceland Moss and Sodium Bicarbonate (OTC Drug). That does not guarantee the combination is risk-free, so confirm with your pharmacist or doctor — especially if you take other medications or have a health condition.
Does Sodium Bicarbonate (OTC Drug) interact with any supplements?
Yes. Sodium Bicarbonate (OTC Drug) has documented interactions with 30 supplements in our database — Iceland Moss is not one of them. The Sodium Bicarbonate (OTC Drug) interaction page linked on this page lists every one, ranked by severity.

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

Still Have a Question About Sodium Bicarbonate (OTC Drug) and Iceland Moss?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

This information is for education only and is not a substitute for professional medical advice. Always check with your pharmacist or doctor before starting, stopping, or combining supplements and medications.