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Dietary supplement

Iodoral IOD - 50 Ingredients & Drug Interactions

by Optimox

Iodoral IOD - 50 label
See full label image
Tablet Or Pill Category: Mineral
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Oct 7, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Iodoral IOD - 50 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

The interaction bottom line Most serious interaction: Moderate

Iodoral IOD - 50 is a dietary supplement by Optimox with 1 active ingredient. Its ingredients are commonly taken for preventing iodine deficiency, supporting thyroid hormone production, general energy and metabolism support.Based on those ingredients, 7 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Total Iodine/Iodide. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Iodoral IOD - 50 by Optimox

Ask about any prescription or over-the-counter medication and we check it for interactions with Iodoral IOD - 50 by Optimox — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Iodoral IOD - 50 by Optimox

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

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Oct 1, 2026

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 2 of its 2 active ingredients.
  • “Total Iodine/Iodide” is listed as a grouped ingredient — the label gives one combined amount (50 mg) without saying how much of each component you get.

Iodoral IOD-50 has 2 active ingredients: iodine and iodide, which together deliver 50 milligrams of total iodine per tablet. Both forms contribute to the product's iodine content.

The tablet also contains inactive ingredients such as microcrystalline cellulose, silicon dioxide, and vegetable stearins for structure and absorption.

Does it work?

Strong evidence
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
Strong

Clinical evidence supports at least one of this product's ingredients for its stated purpose.

Why this rating?
  • The label markets this product for: Iodine supplementation and thyroid support.
  • We looked for evidence on: Iodine deficiency, Infant development, Radiation exposure, Thyroid function, Metabolism.
  • The strongest evidence on file: Iodine is rated "Likely Effective" for Radiation exposure (Natural Medicines).
  • Also on file: Iodine is rated "Likely Effective" for Iodine deficiency.
  • Also on file: Iodine is rated "Insufficient Reliable Evidence To Rate" for Infant development.

Iodine is likely effective for preventing or treating radiation exposure and correcting iodine deficiency. It's also possibly effective for oral mucositis (mouth sores from cancer treatment) and periodontitis (gum infection).

Keep in mind that the evidence for those last two uses is less established than it is for radiation protection and deficiency correction.

The evidence, ingredient by ingredient Iodine

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.

Iodine is well tolerated in normal dietary amounts, but high doses — like those in a 50-milligram tablet — can trigger thyroid problems including goiter (enlarged thyroid), hypothyroidism (underactive thyroid), or hyperthyroidism (overactive thyroid). Common side effects at high doses include nausea, metallic taste, diarrhea, headache, and rhinorrhea (runny nose).

Rarely, some people experience hypersensitivity reactions, including rash, fever, or swelling. In pregnancy, adequate iodine is important, but you should use only the amount your doctor advises — this high-dose product may be too much.

During breastfeeding, excess iodine can pass into milk, so medical guidance is needed. The facts show conflicting safety ratings for pregnancy and lactation, so talk with your doctor or pharmacist before taking this if you're pregnant or nursing.

Side effects, ingredient by ingredient Iodine

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 1 of the 1 matched ingredient can interact with medications — Iodine.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: lithium.
  • For scale: 7 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Check before using this product if you take lithium, antithyroid drugs (like propylthiouracil or methimazole), or amiodarone — all are Moderate interactions where iodine can worsen thyroid effects or create dangerous iodine levels. Your doctor or pharmacist can review your exact medications and decide whether to proceed and how often to check your thyroid.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with clinical evidence supporting its stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.

Iodoral IOD-50 is for people whose doctor says they need high-dose iodine — typically for radiation exposure or severe deficiency. If you take lithium, thyroid medication, or amiodarone, or if you're pregnant or breastfeeding, discuss this product with your doctor or pharmacist before you start, since dose and monitoring matter.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 2 of 2 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Aug 22, 2024.

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 Iodoral IOD - 50, straight from the product label.

Brand Optimox
Barcode (UPC) 350520015030
Net contents 30 Tablet(s)
Market status On market
Date entered into DSLD Aug 22, 2024
DSLD ID 317598
Product type Mineral
Supplement form Tablet Or Pill
Dietary claims / uses Nutrient, 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 Iodoral IOD - 50 by Optimox, 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:
1 Tablet(s)
Maximum serving Sizes:
1 Tablet(s)
Servings per container
30
UPC/BARCODE
350520015030
IngredientAmount% DV
Iodine20 mg--
Total Iodine/Iodide50 mg33333%
Iodide30 mg--

Other ingredients: Potassium Hydroxide, Silicon Dioxide, Magnesium Sulfate Heptahydrate, Polysorbate 80, Citric Acid, Microcrystalline Cellulose, Vegetable Stearins, Pharmaceutical Glaze

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.
Formula

An iodine/potassium formula that supplies 50 mg of elemental iodine per tablet.

Iodine/potassium iodide containing 50 mg elemental iodine per tablet

Suggested/Recommended/Usage/Directions

Suggested use: As a dietary supplement, take one tablet per day or as directed by a physician.

Precautions

Warning: If pregnant or nursing, consult your healthcare practitioner before use. Do not use if you have iodine sensitivity, or if you are taking anti-hypertension or anti-thyroid medications.

Keep out of reach of children.

Discontinue use if you develop swollen salivary glands, stomach upset, or skin rash.

Storage

Store in a cool, dry and dark place.

Formulation

High potency

Variations in product color may occur.

FDA Statement of Identity

Dietary Supplement

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

Iodoral IOD - 50 by Optimox label

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

Iodoral IOD - 50 label

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)
What’s inside

The Ingredients in Iodoral IOD - 50 by Optimox

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

Serving size1 Tablet(s) Dosage formTablet Or Pill Servings per container30 Amounts shown are per serving.

Total Iodine/Iodide

Interacts with
7 drugs
50 mg per serving

Iodine is an essential mineral your body needs to make thyroid hormones, and most people get enough from iodized salt, dairy, and seafood. Supplements...

Total Iodine/Iodide monograph & interactions

Other (inactive) ingredients: Potassium Hydroxide, Silicon Dioxide, Magnesium Sulfate Heptahydrate, Polysorbate 80, Citric Acid, Microcrystalline Cellulose, Vegetable Stearins, Pharmaceutical Glaze. These complete the product’s ingredient list but are not active constituents.

Interaction report

Iodoral IOD - 50 by Optimox Drug Interactions

Want to check YOUR meds against Iodoral IOD - 50?

Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.

 Go to the checker
7Drugs
7 Moderate

Ingredients driving the most interactions

Total Iodine/Iodide 7

Individual Drug Interactions

The ingredients in Iodoral IOD - 50 interact with 7 drugs. Click any drug to see the details.

1 of the 1 ingredient in Iodoral IOD - 50 interact with drugs. Each result below shows which ingredient is responsible. Total Iodine/Iodide

Each ingredient & the kinds of drugs it affects

For each ingredient in Iodoral IOD - 50 with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.

Total Iodine/Iodide3 drug types · 7 drugs

Amiodarone (Cordarone)

Combining iodine with amiodarone might cause excessively high iodine levels.
Amiodarone contains 37.3% iodine and can increase iodine levels. Concomitant use with iodine might increase the risk of having excessive iodine levels and adversely affecting thyroid function. Monitor thyroid function.

Likelihood Probable Evidence D
Antithyroid Drugs

Iodine might alter the effects of antithyroid drugs.
Iodine in high doses has been reported to cause both hyperthyroidism and hypothyroidism, depending on the individual's past medical history. Taking iodine while using antithyroid drugs could alter the effects of the antithyroid drugs.

Likelihood Probable Evidence D
Lithium

Combining iodine with lithium might have additive hypothyroid effects.
Lithium can inhibit thyroid function. Several case reports suggest that concomitant use of lithium and potassium iodide can reduce thyroid function in otherwise healthy adults. Monitor thyroid function.

Likelihood Probable Evidence D
Total Iodine/Iodide full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Iodoral IOD - 50, from the product label.

Optimox

See all Optimox products
Name
Allergy Research Group
City
South Salt Lake
State
UT
ZipCode
84115
Phone Number
800-545-9960
Web Address
www.allergyresearch.com
Pharmacist Counseling Corner

Iodoral IOD - 50 by Optimox: Common Questions

Does Iodoral IOD - 50 by Optimox interact with any medications?
Yes. Based on its ingredients, Iodoral IOD - 50 has a known interaction with 7 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Iodoral IOD - 50 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.
Will this really protect me from radiation?
Iodine is likely effective when used for radiation exposure — that's one of its established uses. However, the right dose and timing matter, and that's a situation where you need medical guidance. Don't use this as a substitute for your doctor's instructions during a radiation emergency.
What side effects should I watch for?
Most common are nausea, metallic taste, diarrhea, headache, and runny nose. Rarely, people have rashes, fever, or swelling (hypersensitivity). Long-term high-dose use has been reported to cause acne-like skin lesions. If you develop any of these, stop and contact your doctor.
Can I take this if I'm pregnant or breastfeeding?
Your baby does need some iodine, but high-dose iodine supplements may not be safe — the data shows conflicting safety ratings. Talk with your doctor or pharmacist about whether this product is right for you and what dose is appropriate.
Is this the same as table salt iodine?
No. This is a high-dose iodine supplement (50 mg per tablet), far above what you'd get from iodized salt or a normal diet. It's meant for specific medical situations, not everyday nutrition.
Can I take this with thyroid medicine?
Not without checking first. Iodine can alter how thyroid drugs work or worsen thyroid suppression. Your doctor needs to know you're considering this and may want to monitor your thyroid function more carefully.

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

Not sure if Iodoral IOD - 50 is safe with your meds?

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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.

Iodoral IOD - 50 label
Go deeper

The Full Monographs Behind Iodoral IOD - 50’s Ingredients

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

Herb & supplement monograph

Iodine

Interacts with 7 drugs

Iodine is an essential mineral your body needs to make thyroid hormones, and most people get enough from iodized salt, dairy, and seafood. Supplements help when you are truly deficient, but...

Read the full Iodine monograph →
Sources

Sources & How We Checked

Iodoral IOD - 50'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 28 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.

Iodine 28 references
  1. McEvoy GK, ed. AHFS Drug Information. Bethesda, MD: American Society of Health-System Pharmacists, 1998.
  2. Goodman GA, Rall TW, Nies AS, Taylor P. The Pharmacological Basis of Therapeutics, 9th ed.
  3. Ghent WR, Eskin BA, Low DA, Hill LP. Iodine replacement in fibrocystic disease of the breast. Can J Surg 1993;36:453-60.
  4. Potassium iodide for nuclear exposure. Pharmacist's Letter/Prescriber's Letter 2001;17(12):171214.
  5. Food and Nutrition Board, Institute of Medicine. Dietary Reference Intakes for Vitamin A, Vitamin K, Arsenic, Boron, Chromium, Copper, Iodine, Iron, Manganese, Molybdenum, Nickel, Silicon, Vanadium, and Zinc. Washington, DC: National Academy Press, 2002.
  6. Cabezas C, Bustamante B, Holgado W, Begue RE. Treatment of cutaneous sporotrichosis with one daily dose of potassium iodide. Pediatr Infect Dis J 1996;15:352-4. PubMed
  7. Sterling JB, Heymann WR. Potassium iodide in dermatology: a 19th century drug for the 21st century-uses, pharmacology, adverse effects, and contraindications. J Am Acad Dermatol 2000;43:691-7. PubMed
  8. Yarrington CD, Pearce EN. Dietary iodine in pregnancy and postpartum. Clin Obstet Gynecol 2011;54:459-70. PubMed
  9. Teng, W., Shan, Z., Teng, X., Guan, H., Li, Y., Teng, D., Jin, Y., Yu, X., Fan, C., Chong, W., Yang, F., Dai, H., Yu, Y., Li, J., Chen, Y., Zhao, D., Shi, X., Hu, F., Mao, J., Gu, X., Yang, R., Tong, Y., Wang, W., Gao, T., and Li, C. Effect of iodine int
  10. Crawford, B. A., Cowell, C. T., Emder, P. J., Learoyd, D. L., Chua, E. L., Sinn, J., and Jack, M. M. Iodine toxicity from soy milk and seaweed ingestion is associated with serious thyroid dysfunction. Med J Aust. 10-4-2010;193(7):413-415. PubMed
  11. Ohkuma, M. Molluscum contagiosum treated with iodine solution and salicylic acid plaster. Int J Dermatol. 1990;29(6):443-445. PubMed
  12. Connelly KJ, Boston BA, Pearce EN, Sesser D, Snyder D, Braverman LE, Pino S, LaFranchi SH. Congenital hypothyroidism caused by excess prenatal maternal iodine ingestion. J Pediatr. 2012 Oct;161(4):760-2. PubMed
  13. Hoang TD, Mai VQ, Clyde PW, Shakir MK. Over-the-counter-drug-induced thyroid disorders. Endocr Pract. 2013 Mar-Apr;19(2):268-74. PubMed
  14. Kasahara T, Narumi S, Okasora K, Takaya R, Tamai H, Hasegawa T. Delayed onset congenital hypothyroidism in a patient with DUOX2 mutations and maternal iodine excess. Am J Med Genet A. 2013 Jan;161A(1):214-7.
  15. Murcia M, Rebagliato M, Iñiguez C, Lopez-Espinosa MJ, Estarlich M, Plaza B, Barona-Vilar C, Espada M, Vioque J, Ballester F. Effect of iodine supplementation during pregnancy on infant neurodevelopment at 1 year of age. Am J Epidemiol. 2011 Apr 1;173(7):8 PubMed
  16. Sang Z, Wang PP, Yao Z, Shen J, Halfyard B, Tan L, Zhao N, Wu Y, Gao S, Tan J, Liu J, Chen Z, Zhang W. Exploration of the safe upper level of iodine intake in euthyroid Chinese adults: a randomized double-blind trial. Am J Clin Nutr. 2012 Feb;95(2):367-73 PubMed
  17. Speeckaert MM, Speeckaert R, Wierckx K, Delanghe JR, Kaufman JM. Value and pitfalls in iodine fortification and supplementation in the 21st century. Br J Nutr. 2011 Oct;106(7):964-73. PubMed
  18. Yun SE, Kang Y, Bae EJ, Hwang K, Jang HN, Cho HS, Chang SH, Park DJ. Iodine-induced thyrotoxic hypokalemic paralysis after ingestion of Salicornia herbace. Ren Fail. 2014 Apr;36(3):461-3.
  19. Iodine Hypersensitivity. Pharmacist's Letter/Prescriber's Letter 2011; 27(5):270504.
  20. Hammel JA, Selby JC. Pustular eruption in a patient with cancer treated with complementary and alternative medicine. JAMA Dermatology 2017 October; E1. doi: 10.1001/jamadermatol.2017.3749. [Epub ahead of print] PubMed
  21. Gil GS, Smith BW, Guerra JR, Williams WT. Acute Delirium in a Hypothyroid Patient Precipitated by Iodine Supplements Use. Am J Ther. 2018;25(6):e717-e718. PubMed
  22. Hamby T, Kunnel N, Dallas JS, Wilson DP. Maternal iodine excess: an uncommon cause of acquired neonatal hypothyroidism. J Pediatr Endocrinol Metab. 2018;31(9):1061-1064. PubMed
  23. Censi S, Watutantrige-Fernando S, Groccia G, et al. The Effects of Iodine Supplementation in Pregnancy on Iodine Status, Thyroglobulin Levels and Thyroid Function Parameters: Results from a Randomized Controlled Clinical Trial in a Mild-to-Moderate Iodine
  24. Rovner MS, Wolf BJ, Rubin M, et al. Instillation of 5% Povidone-Iodine Ophthalmic Drops Decreases the Respiratory Rate in Children Undergoing Strabismus Surgery: A Randomized Controlled Trial. J Pediatr Ophthalmol Strabismus. 2019;56(6):378-382. PubMed
  25. Guenezan J, Garcia M, Strasters D, et al. Povidone Iodine Mouthwash, Gargle, and Nasal Spray to Reduce Nasopharyngeal Viral Load in Patients With COVID-19: A Randomized Clinical Trial. JAMA Otolaryngol Head Neck Surg. 2021;147(4):400-401. PubMed
  26. Fan L, Tian Q, Xiu C, et al. High Iodine Nutrition May Be a Risk Factor for Cervical Lymph Node Metastasis in Papillary Thyroid Cancer Patients. Ann Nutr Metab 2021;77(2):90-99. PubMed
  27. Li F, Wan S, Zhang L, et al. A Meta-Analysis of the Effect of Iodine Excess on the Intellectual Development of Children in Areas with High Iodine Levels in their Drinking Water. Biol Trace Elem Res 2022;200(4):1580-1590. PubMed
  28. Mou Y, Qu T, Wang R, Zhang Y, He Z, Gu S. The association of high-fluoride and high-iodine combined exposure with dental fluorosis and goiter: a meta-analysis. Environ Geochem Health 2023;45(6):3143-3153. PubMed

See these in context on the Iodine 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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