Drug & supplement interaction

Tyrosine + Povidone Iodine

Povidone Iodine brand name: Betadine drops.

No Known Interaction
Medically reviewed by · Updated July 2026 · Pair last verified Sep 13, 2026
The bottom line No known interaction

We found no known interaction between Tyrosine and Povidone Iodine 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

Tyrosine and Povidone Iodine

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 Povidone Iodine and Tyrosine 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.

Tyrosine safety at a glance

Tyrosine overall Use caution Generally well tolerated in healthy adults, but talk to a healthcare provider before regular use.
Pregnancy Use caution Not enough safety data; avoid supplemental doses unless a doctor advises otherwise.
Breastfeeding Use caution Not enough safety data, so caution is advised while breastfeeding.

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

Still wondering about combining Povidone Iodine and Tyrosine? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Povidone Iodine

Interactions in our licensed database are recorded against drug classes, not just single drug names. Povidone Iodine is filed under 2 classifications — antifungals, topical drugs. Tyrosine has documented interactions with 2 drug classes — the most serious being levodopa (moderate) and thyroid hormone (moderate) — and none of Povidone Iodine’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

Tyrosine Does Interact With Other Medications

Tyrosine has 21 moderate known drug interactions in our database — Povidone Iodine isn’t one of them. If you take anything else, check it against the full list below.

Moderate 21 No known interaction 2,809 (incl. Povidone Iodine)
Taking anything else?

Check Another of Your Medications Against Tyrosine

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

What to actually watch for

What Tyrosine Itself Has Been Linked To

This is not an interaction — nothing below involves Povidone Iodine. It is the side-effect record for Tyrosine on its own, from the licensed Natural Medicines monograph. If something new turns up after you add Tyrosine, this list is the first place to look.

  • Heartburn / Nausea Additional detail

    “Orally, tyrosine can cause nausea and heartburn when taken at a dose of 150 mg/kg. Taking tyrosine 4 grams daily in combination with 5-hydroxytryptophan 800 mg and carbidopa 100 mg can cause diarrhea, nausea, and vomiting. These effects can be mitigated by lowering the dosage.”

    Tyrosine · Natural Medicines adverse-effect record, reported in diarrhea.

    2 sources cited
    1. 7211. Wood DR, Reimherr FW, Wender PH. Amino acid precursors for the treatment of attention deficit disorder, residual type. Psychopharmacol Bull 1985;21:146-9.
    2. 918. Meyer JS, Welch KM, Deshmukh VD, et al. Neurotransmitter precursor amino acids in the treatment of multi-infarct dementia and Alzheimer's disease. J Amer Geriat Soc 1977;25:289-98.
  • Drowsiness / Anxiety or restlessness Additional detail

    “Orally, larger doses of tyrosine (150 mg/kg) can cause headache and fatigue. Taking a combination of tyrosine 4 grams, 5-hydroxytryptophan 800 mg, and carbidopa 100 mg can cause drowsiness and agitation. These effects can be mitigated by lowering the dosage.”

    Tyrosine · Natural Medicines adverse-effect record, reported in cluster headache.

    2 sources cited
    1. 7211. Wood DR, Reimherr FW, Wender PH. Amino acid precursors for the treatment of attention deficit disorder, residual type. Psychopharmacol Bull 1985;21:146-9.
    2. 918. Meyer JS, Welch KM, Deshmukh VD, et al. Neurotransmitter precursor amino acids in the treatment of multi-infarct dementia and Alzheimer's disease. J Amer Geriat Soc 1977;25:289-98.
  • Joint pain Additional detail

    “Orally, larger doses of tyrosine (150 mg/kg) can cause arthralgia, but this is uncommon.”

    Tyrosine · Natural Medicines adverse-effect record, reported in myasthenia gravis.

    1 source cited
    1. 7211. Wood DR, Reimherr FW, Wender PH. Amino acid precursors for the treatment of attention deficit disorder, residual type. Psychopharmacol Bull 1985;21:146-9.
  • Tiredness / Headache Additional detail

    Recorded for Tyrosine in the same Natural Medicines adverse-effect record shown under Heartburn / Nausea above.

  • Diarrhea / Vomiting Additional detail

    Recorded for Tyrosine in the same Natural Medicines adverse-effect record shown under Heartburn / Nausea above.

Everything above comes from the Natural Medicines adverse-effect record for Tyrosine — expand a row for the licensed statement it rests on. We haven’t matched Povidone Iodine to its FDA label in our system yet, so we can’t compare its own side-effect list here — the leaflet that comes with your prescription is the authoritative list for Povidone Iodine.

From our Q&A

Questions About Tyrosine or Povidone Iodine

These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers Tyrosine or Povidone Iodine, 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 Povidone Iodine

This page covers Tyrosine only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Povidone Iodine page lists 6 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Dimethylsulfoxide (dmso) (moderate), Turpentine Oil (moderate), Alchemilla (minor), Brewer's Yeast (minor) and Probiotics (minor).

By severity: 2 moderate · 4 minor.

Open the Povidone Iodine interaction page

One more smart check

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

We hold 4,448 real supplement products containing Tyrosine, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Tyrosine. Even though Tyrosine itself has no known interaction with Povidone Iodine, 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 Tyrosine and Povidone Iodine 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 Tyrosine
Top 5%

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

29 days ago today
Medication Povidone Iodine
Steady interest

#1,858 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 Tyrosine reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Tyrosine and Povidone Iodine 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 Tyrosine

What is Tyrosine?

  • Mental focus and alertness
  • Coping with stress
  • Fatigue and sleep loss
  • Mood support
  • Athletic and cognitive performance

L-tyrosine is an amino acid your body uses to make brain chemicals like dopamine and norepinephrine. Some studies suggest it may help mental performance during short-term stress, sleep loss, or cold, but the evidence is mixed and it is not proven for everyday focus or mood. It is generally well tolerated in healthy adults, but check with your pharmacist or doctor before using it, especially during pregnancy or if you have a thyroid condition.

Amino acid (made in the body or produced by fermentation/synthesis for supplements) · Capsules, tablets, powder, and as L-tyrosine or N-acetyl-L-tyrosine

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

Tyrosine: dosing

There is no official standardized dose for tyrosine, and the amounts used in studies vary widely. Because of this, the best approach is to follow the directions on the product label and not exceed them.Doses are often based on body weight in research settings and taken a short time before a stressful or demanding task.

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

Read the full Tyrosine monograph & all interactions
Medication

About Povidone Iodine

Most-Reported Side Effects for Povidone Iodine

From FAERS, the FDA’s public side-effect reporting system (4,216 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Endophthalmitis 427 reports
Drug hypersensitivity 382 reports
Toxic anterior segment syndrome 284 reports
Rash 273 reports
Nausea 240 reports
Keep checking

Other Drugs & Tyrosine

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

0Major
21Moderate
0Minor
2,808No known interaction
21 Moderate 2,808 No interaction
Moderate

21 interactions

No interaction 2,808 drugs checked — show the list

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

Showing the 60 most looked-up of 2,808 medications checked with no known interaction — see the full Tyrosine list.

See the full Tyrosine interactions page
See every supplement checked against Povidone Iodine, ranked by severity
Evidence & sources

Tyrosine References

The 4 references that drive our Tyrosine 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. Meyer JS, Welch KM, Deshmukh VD, et al. Neurotransmitter precursor amino acids in the treatment of multi-infarct dementia and Alzheimer's disease. J Amer Geriat Soc 1977;25:289-98.
  2. DiPiro JT, Talbert RL, Yee GC, et al; eds. Pharmacotherapy: A pathophysiologic approach. 4th ed. Stamford, CT: Appleton & Lange, 1999.
  3. Wood DR, Reimherr FW, Wender PH. Amino acid precursors for the treatment of attention deficit disorder, residual type. Psychopharmacol Bull 1985;21:146-9.
  4. van Spronsen FJ, van Rijn M, Bekhof J. Phenylketonuria: tyrosine supplementation in phenylalanine-restricted diets. Am J Clin Nutr 2001;73:153-7. PubMed

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 Tyrosine and Povidone Iodine Together: Common Questions

Is it safe to take Tyrosine with Povidone Iodine?
We do not list a known interaction between Tyrosine and Povidone Iodine. 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 Tyrosine and Povidone Iodine combination checked?
Interactions in our licensed database are recorded against drug classes. Povidone Iodine is filed under 2 classifications, and Tyrosine has documented interactions with 2 drug classes — none of Povidone Iodine'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 Tyrosine interact with any other medications?
Yes. Tyrosine has 21 documented drug interactions in our database — Povidone Iodine 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 Povidone Iodine interact with any supplements?
Yes. Povidone Iodine has documented interactions with 6 supplements in our database — Tyrosine is not one of them. The Povidone Iodine 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

Tyrosine monograph Uses, safety profile, and every drug interaction in one place Povidone Iodine supplement interactions Every supplement checked against Povidone Iodine, 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 4 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Povidone Iodine and Tyrosine?

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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.