Bredesen Protocol + Ketoconazole
Ketoconazole brand name: Nizoral.
We found no known interaction between Bredesen Protocol and Ketoconazole 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.
Bredesen Protocol and Ketoconazole
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 Ketoconazole and Bredesen Protocol 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 Bredesen Protocol at all — not against Ketoconazole, 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.
Bredesen Protocol safety at a glance
Safety guidance is general; always confirm with your pharmacist or doctor for your situation.
Questions About Bredesen Protocol or Ketoconazole
These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers Bredesen Protocol or Ketoconazole, 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.
See Every Supplement That Interacts With Ketoconazole
This page covers Bredesen Protocol only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Ketoconazole page lists 182 supplements it has a documented interaction with, worst first, each one explained.
The most serious there right now: Activated Charcoal (major), Beer (major), Grapefruit (major), Siberian Cocklebur (major) and St. John's Wort (major).
By severity: 6 major · 135 moderate · 41 minor.
From our pharmacist’s overview on the Ketoconazole page
“Ketoconazole (Nizoral) is already hard on the liver, so treat its 182 interacting supplements with genuine care, starting with the six rated major. Most of the list runs through CYP3A4, the liver enzyme ketoconazole strongly blocks, so it can raise levels of over a hundred herbal ingredients, while grapefruit pushes ketoconazole itself…”
Reviewed by 2 · Jul 18, 2026
Where Bredesen Protocol and Ketoconazole 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.
#1,221 of 1,452 supplements looked up here in the last 7 days
#2,214 of 2,830 medications looked up here in the last 7 days
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 Bredesen Protocol reference on this page ↓
- Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Bredesen Protocol and Ketoconazole 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.
About Bredesen Protocol
What is Bredesen Protocol?
- Early memory loss
- Mild cognitive impairment
- Early Alzheimer's disease
- Cognitive decline prevention
- Brain health support
The Bredesen Protocol is not a herb or single supplement—it is a complex, individualized program of diet, exercise, sleep, stress reduction, and many supplements aimed at slowing or reversing cognitive decline. Rigorous, large, controlled studies are lacking, so its benefits remain unproven, and it should only be tried under medical supervision. Talk with your doctor or pharmacist before starting any part of it.
Multi-part lifestyle and supplement program (diet, exercise, sleep, supplements, and other interventions)
An interaction check asks whether these two react with each other — it does not ask whether Bredesen Protocol is a good idea for someone in your situation. Here is what our Bredesen Protocol record says about it on its own.
Bredesen Protocol: dosing
There is no single standard dose for the Bredesen Protocol because it is a personalized, multi-part program, not one product. The supplements, diet, and other steps are meant to be tailored to each person based on testing and a practitioner's guidance.If you choose to explore it, do so under the supervision of a qualified clinician and review every supplement with your pharmacist to check the dose and avoid duplication or excess. Always follow the label on any product you take and do not exceed recommended amounts.
From our Bredesen Protocol monograph — the full record covers uses, side effects and every documented interaction.
About Ketoconazole
What Is Ketoconazole Used For?
Brand name: Nizoral
Ketoconazole 2% shampoo and foam are used to treat tinea versicolor (also called pityriasis versicolor) — a fungal infection caused by Pityrosporum orbiculare (also known as Malassezia furfur), a yeast that naturally lives on the skin.
This infection creates light or dark patches, most often on the trunk, neck, arms, and upper thighs. Even after the fungus is cleared, those skin patches may take months to return to their normal color — that's normal, and depends on your skin type and sun exposure. Tinea versicolor can also come back, since the fungus lives on healthy skin even when there's no active infection.
Most-Reported Side Effects for Ketoconazole
From FAERS, the FDA’s public side-effect reporting system (0 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.
Other Drugs & Bredesen Protocol
Browse every other medication we’ve checked against Bredesen Protocol — both the ones with a known interaction and the ones without. Select any drug for the full detail.
No drugs match “”.
No interaction 2,829 drugs checked — show the list
We also checked Bredesen Protocol against these medications and found no known interaction in our sources. Open any page to confirm.
- Apixaban ›
- Levothyroxine ›
- Amlodipine ›
- Methylphenidate ›
- Warfarin ›
- Sertraline ›
- Testosterone ›
- Losartan Potassium ›
- Ivermectin ›
- Abemaciclib ›
- Aspirin ›
- Metoprolol ›
- Acetaminophen ›
- Rosuvastatin ›
- Rivaroxaban ›
- Escitalopram ›
- Clopidogrel ›
- Atorvastatin ›
- Tadalafil ›
- Docusate ›
- Tirzepatide ›
- Ibuprofen ›
- Methamphetamine ›
- Hydroxyurea ›
- Warfarin Sodium ›
- Valacyclovir ›
- Sumatriptan ›
- Semaglutide ›
- Prednisone ›
- Lisdexamfetamine ›
- Propranolol ›
- Metformin ›
- Amitriptyline ›
- Amoxicillin ›
- Lisinopril ›
- Isotretinoin ›
- Amlodipine Besylate ›
- Methotrexate ›
- Bendamustine ›
- Bupropion ›
- Amphetamine ›
- Fluoxetine ›
- Doxycycline ›
- Acyclovir ›
- Azithromycin ›
- Lamotrigine ›
- Pregabalin ›
- Dextroamphetamine ›
- Gabapentin ›
- Acetaminophen, Codeine ›
- Quetiapine ›
- Clonazepam ›
- Levothyroxine, Liothyronine ›
- Naproxen ›
- Omeprazole ›
- Letrozole ›
- Methylene Blue ›
- Duloxetine ›
- Buspirone ›
- Citalopram ›
Showing the 60 most looked-up of 2,829 medications checked with no known interaction — see the full Bredesen Protocol list.
Bredesen Protocol References
The 1 references that drive our Bredesen Protocol 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.
- Bredesen DE. Reversal of cognitive decline: a novel therapeutic program. Aging (Albany NY). 2014;6(9):707-17. 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.
Taking Bredesen Protocol and Ketoconazole Together: Common Questions
Is it safe to take Bredesen Protocol with Ketoconazole?
Does Ketoconazole interact with any supplements?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Keep Exploring
Still Have a Question About Ketoconazole and Bredesen Protocol?
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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.