Xanthoparmelia + Atazanavir, Cobicistat
Atazanavir, Cobicistat brand name: Evotaz.
We found no known interaction between Xanthoparmelia and Atazanavir, Cobicistat 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. Additionally, although there is no interaction, the label for Atazanavir, Cobicistat states a food rule worth keeping to.
Xanthoparmelia and Atazanavir, Cobicistat
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 Atazanavir, Cobicistat and Xanthoparmelia 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 Xanthoparmelia at all — not against Atazanavir, Cobicistat, 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.
Xanthoparmelia safety at a glance
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.
Xanthoparmelia in Pregnancy & Breastfeeding
When used orally. Scabrosin esters contained in xanthoparmelia are considered toxic.
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
Some Atazanavir, Cobicistat Products Have a Food Rule — Xanthoparmelia Should Not Break It
At least one FDA label for a product containing Atazanavir, Cobicistat says to take it with food. If you take Xanthoparmelia on an empty stomach out of habit, keep them separate — and take Atazanavir, Cobicistat with a meal where the label says to.
This may not be true of your version. Food instructions belong to the product, not the ingredient: two Atazanavir, Cobicistat products can carry different directions, and extended-release forms often differ from immediate-release ones. The label we read is quoted below — check the directions on your own box or bottle, or ask your pharmacist, for how to take the exact product you were given.
(2.1) • Recommended dosage: One tablet once daily, taken orally with food in adults and pediatric patients weighing at least 35 kg.
From the Dosage and Administration section of the FDA label we read for Atazanavir, Cobicistat — where that label names a specific product, the instruction is that product's. Read the label on DailyMed ›
A food rule is not an interaction — it is about how much of the medicine you absorb. The directions that came with your own product, and your pharmacist, outrank anything on this page.
What Atazanavir, Cobicistat Is Prescribed For, and What Xanthoparmelia Has Been Studied For
These two come up together because they touch the same health topic — not because they do the same job. Atazanavir, Cobicistat is a prescription medicine with approved uses on its FDA label. Xanthoparmelia is a supplement: what follows is what researchers have looked at it for, and how strong that evidence is.
Atazanavir, Cobicistat is prescribed for: Evotaz is used together with other antiretroviral (HIV) medicines to treat HIV-1 infection. It is for adults and for children who weigh at least 35 kg. In people who have taken HIV medicines before, the choice to use Evotaz should be guided by how many protease inhibitor resistance changes the virus already has.
Xanthoparmelia has been studied for:
-
Cancer studied, not established Xanthoparmelia has been studied for this. Natural Medicines rates the evidence: Insufficient Reliable Evidence To Rate Read what the research shows
Xanthoparmelia for cancer
Although there has been interest in using oral xanthoparmelia for cancer, there is insufficient reliable information about the clinical effects of xanthoparmelia for this purpose.
Effectiveness ratings and the research summaries above are the verbatim record from the Natural Medicines database, which grades evidence from “Effective” down to “Insufficient Reliable Evidence To Rate”. A rating below the top of that scale means researchers have looked at it — not that it works, and never that it can stand in for a prescribed medicine. Do not stop or replace Atazanavir, Cobicistat on your own; if you are taking Xanthoparmelia for the same health topic, tell your prescriber, especially if the medicine is being adjusted to a target.
See Every Supplement That Interacts With Atazanavir, Cobicistat
This page covers Xanthoparmelia only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Atazanavir, Cobicistat page lists 152 supplements it has a documented interaction with, worst first, each one explained.
The most serious there right now: Activated Charcoal (major), Grapefruit (major), St. John's Wort (major), Acacia Rigidula (moderate) and Adrafinil (moderate).
By severity: 3 major · 107 moderate · 42 minor.
From our pharmacist’s overview on the Atazanavir, Cobicistat page
“Evotaz (atazanavir with cobicistat) treats HIV, and its effectiveness depends on steady blood levels, so I read this list of 152 supplements and herbs carefully rather than casually. Only three carry a major rating, but those three deserve your attention first: St.”
Reviewed by 2 · Jul 18, 2026
Taking Xanthoparmelia as Part of a Dietary Supplement Product? Check It for Interactions
We hold 75 real supplement products containing Xanthoparmelia, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Xanthoparmelia. Even though Xanthoparmelia itself has no known interaction with Atazanavir, Cobicistat, another ingredient on your label might. Find your product and we’ll check every ingredient on its label:
Where Xanthoparmelia and Atazanavir, Cobicistat 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.
#727 of 1,452 supplements looked up here in the last 7 days
#188 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 Xanthoparmelia reference on this page ↓
- Freshness: we automatically re-check this combination every week — this pair was last verified October 4, 2026. The Xanthoparmelia and Atazanavir, Cobicistat 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 Xanthoparmelia
What is Xanthoparmelia?
- Erectile dysfunction
- Sexual performance
- Libido support
- General 'male enhancement'
Xanthoparmelia is a type of lichen marketed mainly in supplements promoted for erectile dysfunction and sexual performance, but there is very little reliable human research to support these uses. Some 'male enhancement' products containing it have been found spiked with hidden prescription drugs, which is a real safety concern. Talk with your pharmacist or doctor before using it.
Xanthoparmelia scabrosa · Parmeliaceae · Whole lichen (thallus) · Capsules, tablets, powders (often in 'male enhancement' supplement blends)
An interaction check asks whether these two react with each other — it does not ask whether Xanthoparmelia is a good idea for someone in your situation. Here is what our Xanthoparmelia record says about it on its own.
Xanthoparmelia: dosing
There is no established or standardized dose of Xanthoparmelia. Amounts vary widely between products, and many are proprietary blends that do not clearly list how much lichen they contain.If you choose to use a product containing Xanthoparmelia, follow the label directions and do not exceed them.
From our Xanthoparmelia monograph — the full record covers uses, side effects and every documented interaction.
About Atazanavir and Cobicistat
What Is Atazanavir and Cobicistat Used For?
Brand name: Evotaz
Evotaz is used together with other antiretroviral (HIV) medicines to treat HIV-1 infection. It is for adults and for children who weigh at least 35 kg.
In people who have taken HIV medicines before, the choice to use Evotaz should be guided by how many protease inhibitor resistance changes the virus already has.
Other Drugs & Xanthoparmelia
Browse every other medication we’ve checked against Xanthoparmelia — 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 Xanthoparmelia against these medications and found no known interaction in our sources. Open any page to confirm.
- Apixaban ›
- Levothyroxine ›
- Amlodipine ›
- Methylphenidate ›
- Warfarin ›
- Ivermectin ›
- Abemaciclib ›
- Testosterone ›
- Losartan Potassium ›
- Sertraline ›
- Acetaminophen ›
- Rosuvastatin ›
- Aspirin ›
- Escitalopram ›
- Metoprolol ›
- Clopidogrel ›
- Atorvastatin ›
- Rivaroxaban ›
- Isotretinoin ›
- Tirzepatide ›
- Ibuprofen ›
- Warfarin Sodium ›
- Amlodipine Besylate ›
- Levothyroxine, Liothyronine ›
- Methamphetamine ›
- Docusate ›
- Prednisone ›
- Amitriptyline ›
- Metformin ›
- Valacyclovir ›
- Tadalafil ›
- Hydroxyurea ›
- Semaglutide ›
- Lisdexamfetamine ›
- Sumatriptan ›
- Amphetamine ›
- Propranolol ›
- Methotrexate ›
- Lisinopril ›
- Amoxicillin ›
- Bupropion ›
- Fluoxetine ›
- Azithromycin ›
- Pregabalin ›
- Doxycycline ›
- Gabapentin ›
- Dextroamphetamine ›
- Bendamustine ›
- Acetaminophen, Aspirin, Caffeine ›
- Naproxen ›
- Lamotrigine ›
- Quetiapine ›
- Acyclovir ›
- Clonazepam ›
- Buspirone ›
- Omeprazole ›
- Duloxetine ›
- Letrozole ›
- Citalopram ›
- Methylene Blue ›
Showing the 60 most looked-up of 2,829 medications checked with no known interaction — see the full Xanthoparmelia list.
Xanthoparmelia References
The 1 references that drive our Xanthoparmelia 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.
- Moerman KL, Chai CL, Waring P. Evidence that the lichen-derived scabrosin esters target mitochondrial ATP synthase in P388D1 cells. Toxicol Appl Pharmacol 2003;190:232-40. 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 Xanthoparmelia and Atazanavir, Cobicistat Together: Common Questions
Is it safe to take Xanthoparmelia with Atazanavir, Cobicistat?
Should I take Xanthoparmelia and Atazanavir, Cobicistat at the same time of day?
Are Xanthoparmelia and Atazanavir, Cobicistat used for the same thing?
Does Atazanavir, Cobicistat interact with any supplements?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
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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.