Drug & supplement interaction

Dulse + Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate

Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate brand name: Plenvu.

No Known Interaction

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated June 2026 · Pair last verified Sep 27, 2026

The bottom line No known interaction

We found no known interaction between Dulse and Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate 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.

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Interaction report

Dulse and Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate

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 Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate and Dulse 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.

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.

Dulse safety at a glance

Dulse overall Use caution Generally safe as a food, but supplements may contain high iodine and potassium and should be used cautiously.

Pregnancy Use caution Food amounts are likely fine, but avoid concentrated supplements due to unpredictable iodine levels and limited safety data.

Breastfeeding Use caution Limited data; excess iodine can pass into breast milk, so avoid supplement doses and check with your doctor.

Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

Still wondering about combining Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate and Dulse? Ask Dr. Brian Staiger, PharmD, BCPS directly ›

How we checked

Why No Interaction Is Listed for Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate

Interactions in our licensed database are recorded against drug classes, not just single drug names. Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate is filed under a single classification — oral drugs. Dulse has documented interactions with 7 drug classes — the most serious being amiodarine (cordarone) (moderate), antithyroid drugs (moderate) and digoxin (lanoxin) (moderate) — and none of Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate’s classifications are among them.

Classification data comes from our licensed Natural Medicines dataset. A medication can belong to classes beyond those recorded there, so this describes how the check was run — it is not a safety guarantee.

Keep it in perspective

Dulse Does Interact With Other Medications

Dulse has 23 moderate, 62 minor known drug interactions in our database — Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate isn’t one of them. If you take anything else, check it against the full list below.

Moderate 23 Minor 62 No known interaction 2,745 (incl. Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate)

Taking anything else?

Check Another of Your Medications Against Dulse

Covers the 2,830 medications we’ve checked against Dulse. Pick one to open its full report.

What to actually watch for

What Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate’s Own FDA Label Lists

This is not an interaction — none of it involves Dulse. These are the most notable effects listed in the ADVERSE REACTIONS section of Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate’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. 10 of them are worth acting on rather than waiting out — marked below.

Dehydration Worth acting on
Bleeding in the gut Worth acting on
Low potassium Worth acting on
Fainting Worth acting on
An irregular heartbeat Worth acting on
Seizures Worth acting on
Chest pain Worth acting on
Kidney problems Worth acting on
Raised blood pressure Worth acting on
Shortness of breath Worth acting on

Showing the 10 most notable of 33 label-listed effects — ranked by how unusual each one is across medicines generally, with serious effects weighted up.

From the ADVERSE REACTIONS section of the FDA label for Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate. Read the label on DailyMed › Dulse’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Dulse side to compare — that is a limit of the record, not a statement that Dulse has no side effects.

Everything else you take

See Every Supplement That Interacts With Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate

This page covers Dulse only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate page lists 17 supplements it has a documented interaction with, worst first, each one explained.

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

By severity: 1 major · 7 moderate · 9 minor.

From our pharmacist’s overview on the Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate page

“Plenvu, the bowel prep combining polyethylene glycol 3350, ascorbic acid, and electrolyte salts to clear the colon before a colonoscopy, carries 17 supplement interactions, and all of them play out in the gut itself. This is a list worth reading carefully rather than skimming.”

Reviewed by 2 · Jul 18, 2026

Open the Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate interaction page

One more smart check

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

We hold 546 real supplement products containing Dulse, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Dulse. Even though Dulse itself has no known interaction with Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate, 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 Dulse and Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate 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 Dulse

Top 25%

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

29 days ago today

Medication Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate

Steady interest

#1,714 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 Dulse reference on this page ↓
Freshness: we automatically re-check this combination every week — this pair was last verified September 27, 2026. The Dulse and Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate records this page draws on were last updated June 22, 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 Dr. Brian Staiger, PharmD, BCPS.

Supplement

About Dulse

What is Dulse?

Nutritional supplement (iodine, minerals)
Source of plant protein
General wellness
Anti-inflammatory support
Thyroid/iodine support

Dulse is a red seaweed eaten as a food in many coastal cultures and is a natural source of iodine, potassium, protein, and antioxidant compounds. As a food it is generally considered safe for most people, but concentrated supplements can deliver large amounts of iodine and potassium, so use caution. Talk to your pharmacist or doctor before using it medicinally, especially if you have thyroid or kidney problems.

Palmaria palmata · Palmariaceae · Whole edible thallus (the leafy seaweed fronds) · Dried flakes, whole dried leaf, powder, capsules, and as a food ingredient

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

Dulse: dosing

There is no established standardized medicinal dose for dulse. As a food it is eaten in small amounts as flakes, snacks, or a recipe ingredient.If you use a dulse supplement, follow the directions on the product label and do not exceed the recommended amount.

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

Read the full Dulse monograph & all interactions

Medication

About Polyethylene glycol-electrolyte solution (PEG-ES)

What Is Polyethylene glycol-electrolyte solution (PEG-ES) Used For?

Brand name: Plenvu

Polyethylene glycol-electrolyte solution (PEG-ES) is used to empty the colon (large intestine, bowel) before a colonoscopy (examination of the inside of the colon to check for colon cancer and other abnormalities) or barium enema (a test in which the colon is filled with a fluid and then x-rays are taken) so that the doctor will have a clear view of the walls of the colon. PEG-ES is in a class of medications called osmotic laxatives. It works by causing watery diarrhea so that the stool can be emptied from the colon. The medication also contains electrolytes to prevent dehydration and other serious side effects that may be caused by fluid loss as the colon is emptied.

See full Polyethylene glycol-electrolyte solution (PEG-ES) drug information

Keep checking

Other Drugs & Dulse

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

0Major

23Moderate

62Minor

2,744No known interaction

23 Moderate 62 Minor 2,744 No interaction

Moderate

23 interactions

Minor

62 interactions

Showing 60 of 62 minor interactions — see all 62 on the Dulse page.

No interaction 2,744 drugs checked — show the list

We also checked Dulse against these medications and found no known interaction in our sources. Open any page to confirm.

Showing the 60 most looked-up of 2,744 medications checked with no known interaction — see the full Dulse list.

See the full Dulse interactions page

See every supplement checked against Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate, ranked by severity

Evidence & sources

Dulse References

The 5 references that drive our Dulse 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.

Malta D, Arcand J, Ravindran A, Floras V, Allard JP, Newton GE. Adequate intake of potassium does not cause hyperkalemia in hypertensive individuals taking medications that antagonize the renin angiotensin aldosterone system. Am J Clin Nutr 2016 Oct;104(4 PubMed
Allsopp P, Crowe W, Bahar B, et al. The effect of consuming Palmaria palmata-enriched bread on inflammatory markers, antioxidant status, lipid profile and thyroid function in a randomised placebo-controlled intervention trial in healthy adults. Eur J Nutr PubMed
McGrath BM, Harmon JP, Bishop G. Palmaria palmata (Dulse) as an unusual maritime aetiology of hyperkalemia in a patient with chronic renal failure: a case report. J Med Case Rep. 2010;4:301. PubMed
Furuta T, Miyabe Y, Yasui H, Kinoshita Y, Kishimura H. Angiotensin I converting enzyme inhibitory peptides derived from phycobiliproteins of dulse Palmaria palmata. Mar Drugs. 2016;14(2):32. PubMed
Takase T, Nakamura A, Miyoshi H, et al. Effects of Palmaria palmata on lipid metabolism and glycemic control in participants with hypercholesterolemia in a randomized double-blind placebo-controlled trial. Phytother Res. 2020.

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 Dulse and Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate Together: Common Questions

Is it safe to take Dulse with Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate?

We do not list a known interaction between Dulse and Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate. 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.

How was the Dulse and Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate combination checked?

Interactions in our licensed database are recorded against drug classes. Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate is filed under 1 classification, and Dulse has documented interactions with 7 drug classes — none of Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate's classifications are among them. A medication can belong to classes beyond those recorded in our dataset, so this describes how the check was run rather than guaranteeing safety.

Does Dulse interact with any other medications?

Yes. Dulse has 85 documented drug interactions in our database — Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate is simply not one of them. If you take anything else, it is worth checking each one; they are all listed on this page.

Does Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate interact with any supplements?

Yes. Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate has documented interactions with 17 supplements in our database — Dulse is not one of them. The Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate interaction page linked on this page lists every one, ranked by severity.

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

Where next

Keep Exploring

Dulse monograph Uses, safety profile, and every drug interaction in one place Polyethylene glycol-electrolyte solution (PEG-ES) drug information The full plain-English guide to this medication Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate supplement interactions Every supplement checked against Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate, ranked by severity Supplement interaction checker Check any supplement or product against your medications Browse medications A–Z Every drug we’ve checked against herbs & supplements References The 5 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Ascorbic Acid, Polyethylene Glycol 3350, Potassium Chloride, Sodium Ascorbate, Sodium Chloride, Sodium Sulfate and Dulse?

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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.