Drug & supplement interaction

Malic Acid + Tapinarof

Tapinarof brand name: Vtama.

No Known Interaction

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated July 2026 · Pair last verified Sep 20, 2026

The bottom line No known interaction

We found no known interaction between Malic Acid and Tapinarof 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 two are separately associated with some of the same side effects, which would make a new symptom harder to attribute to one or the other.

Know someone taking this? Share

Facebook Post Reddit Email

On this page

Interaction report

Malic Acid and Tapinarof

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 Tapinarof and Malic Acid 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.

Malic Acid safety at a glance

Malic Acid overall Use caution Generally well tolerated in food amounts, but supplement safety is not well studied.

Pregnancy Likely Safe When used orally in amounts commonly found in foods. There is insufficient reliable information available about the safety of using malic acid in medicinal amou... Read the full pregnancy detail

Breastfeeding Likely Safe When used orally in amounts commonly found in foods. There is insufficient reliable information available about the safety of using malic acid in medicinal amou... Read the full breastfeeding detail

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.

Still wondering about combining Tapinarof and Malic Acid? Ask Dr. Brian Staiger, PharmD, BCPS directly ›

How we checked

Why No Interaction Is Listed for Tapinarof

Interactions in our licensed database are recorded against drug classes, not just single drug names. Tapinarof is filed under a single classification — topical drugs. Malic Acid has documented interactions with 1 drug class — the most serious being antihypertensive drugs (moderate) — and none of Tapinarof’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

Malic Acid Does Interact With Other Medications

Malic Acid has 172 moderate known drug interactions in our database — Tapinarof isn’t one of them. If you take anything else, check it against the full list below.

Moderate 172 No known interaction 2,658 (incl. Tapinarof)

Taking anything else?

Check Another of Your Medications Against Malic Acid

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

What to actually watch for

No Interaction Found — But Data Suggests Malic Acid and Tapinarof May Share Several of the Same Side Effects

This is not an interaction. Neither one changes how your body handles the other, and nothing here says they react together. What our sources do show is that each has separately been linked to the effects below — so taking both can make those effects more likely to turn up, and harder to pin on one or the other if they do. One of them is worth acting on rather than waiting out — marked below.

Hives Worth acting on Additional detail
Malic Acid
“Topically, malic acid may cause moderate to strong skin irritation and peeling. In patients first patch tested with malic acid, next instructed to avoid foods containing malic or citric acid, and then challenged with foods containing high amounts of malic and citric acid, skin reactions including immediate hives and delayed contact dermatitis occurred.”

Malic Acid · Natural Medicines adverse-effect record, reported in dermatitis.
3 sources cited

26968. Fiume, Z. Final report on the safety assessment of malic acid and sodium malate. Int J Toxicol 2001;20 Suppl 1:47-55. PubMed

95564. Chiriac A, Brzezinski P. Topical malic acid in combination with citric acid: an option to treat recalcitrant warts. Dermatol Ther. 2015;28(6):336-8. PubMed

95595. Amended Safety Assessment of Malic Acid and Sodium Malate as Used in Cosmetics. Cosmetic Ingredient Review Expert Panel. Updated May 19, 2017. http://www.cir-safety.org/sites/default/files/malic%20acid.pdf. Accessed January 24, 2018.
Tapinarof

Listed in the ADVERSE REACTIONS section of the FDA label for Tapinarof. Read the label on DailyMed ›
A skin rash Additional detail

Malic Acid

Recorded for Malic Acid in the same Natural Medicines adverse-effect record shown under Hives above.

Tapinarof

Listed in the ADVERSE REACTIONS section of the FDA label for Tapinarof. Read the label on DailyMed ›

Reported for Malic Acid but not commonly for Tapinarof: eye irritation or redness, diarrhea and nausea.

Effects for Tapinarof come from the ADVERSE REACTIONS section of its FDA label; effects for Malic Acid come from the Natural Medicines adverse-effect record, quoted above. Wording is matched across sources by our own clinical vocabulary, so treat this as a prompt to pay attention, not a diagnosis.

Special populations

Malic Acid in Pregnancy & Breastfeeding

Pregnancy And Lactation Likely Safe

When used orally in amounts commonly found in foods. There is insufficient reliable information available about the safety of using malic acid in medicinal amounts during pregnancy or lactation.

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

Overlapping uses

What Tapinarof Is Prescribed For, and What Malic Acid Has Been Studied For

These two come up together because they touch the same health topic — not because they do the same job. Tapinarof is a prescription medicine with approved uses on its FDA label. Malic Acid is a supplement: what follows is what researchers have looked at it for, and how strong that evidence is.

Tapinarof is prescribed for: Vtama cream, 1% is approved to treat plaque psoriasis in adults and atopic dermatitis (eczema) in adults and children 2 years of age and older. It is applied directly to affected skin. For plaque psoriasis, Vtama cream is approved for adult use only. For atopic dermatitis, Vtama cream is approved for both adults and children as young as 2 years old.

Read the rest of what Tapinarof is prescribed for

It has not been studied or approved for atopic dermatitis in children under 2, or for plaque psoriasis in children of any age.

Malic Acid has been studied for:

Psoriasis studied, not established Malic Acid has been studied for this. Natural Medicines rates the evidence: Insufficient Reliable Evidence To Rate Read what the research shows

Malic Acid for psoriasis

Although there has been interest in using topical malic acid for psoriasis, there is insufficient reliable information about the clinical effects of malic acid 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 Tapinarof on your own; if you are taking Malic Acid for the same health topic, tell your prescriber, especially if the medicine is being adjusted to a target.

Everything else you take

See Every Supplement That Interacts With Tapinarof

This page covers Malic Acid only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Tapinarof page lists 3 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Dimethylsulfoxide (dmso) (moderate), Turpentine Oil (moderate) and Alchemilla (minor).

By severity: 2 moderate · 1 minor.

From our pharmacist’s overview on the Tapinarof page

“Tapinarof (Vtama) is a cream you apply to psoriasis plaques, so every supplement interaction on record involves other things you put on your skin, three in total, and none rates major. The two moderate entries, DMSO and turpentine oil, may pull more of the cream through the skin than intended, which could amplify both its effect and it…”

Reviewed by 2 · Jul 18, 2026

Open the Tapinarof interaction page

One more smart check

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

We hold 678 real supplement products containing Malic Acid, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Malic Acid. Even though Malic Acid itself has no known interaction with Tapinarof, 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 Malic Acid and Tapinarof 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 Malic Acid

Top 25%

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

29 days ago today

Medication Tapinarof

Top half

#1,099 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 Malic Acid reference on this page ↓
Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Malic Acid and Tapinarof 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 Dr. Brian Staiger, PharmD, BCPS.

Supplement

About Malic Acid

What is Malic Acid?

Fibromyalgia symptoms
Muscle pain and fatigue
Dry mouth (used in some lozenges)
Skin exfoliation (topical)
Flavoring and food additive

Malic acid is a natural acid found in apples and other fruits, often combined with magnesium in supplements marketed for fibromyalgia and muscle pain. The evidence for its health benefits is weak and limited, and it is mostly used as a food flavoring. It is generally well tolerated in food amounts, but talk to your pharmacist or doctor before using supplement doses.

Naturally found in fruits like apples; also made synthetically · Tablets, capsules, powders, combination products (often with magnesium), topical skincare products, and as a food additive

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

Malic Acid: dosing

There is no official or standardized dose of malic acid for any health condition. Supplement products vary widely, especially those that combine malic acid with magnesium.The best approach is to follow the directions on the product label and not exceed the recommended amount.

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

Read the full Malic Acid monograph & all interactions

Medication

About Tapinarof Topical

What Is Tapinarof Topical Used For?

Brand name: Vtama

Vtama cream, 1% is approved to treat plaque psoriasis in adults and atopic dermatitis (eczema) in adults and children 2 years of age and older. It is applied directly to affected skin.

For plaque psoriasis, Vtama cream is approved for adult use only. For atopic dermatitis, Vtama cream is approved for both adults and children as young as 2 years old. It has not been studied or approved for atopic dermatitis in children under 2, or for plaque psoriasis in children of any age.

See full Tapinarof Topical drug information

Keep checking

Other Drugs & Malic Acid

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

0Major

172Moderate

0Minor

2,657No known interaction

172 Moderate 2,657 No interaction

Moderate

172 interactions

Showing 60 of 172 moderate interactions — see all 172 on the Malic Acid page.

No interaction 2,657 drugs checked — show the list

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

Showing the 60 most looked-up of 2,657 medications checked with no known interaction — see the full Malic Acid list.

See the full Malic Acid interactions page

See every supplement checked against Tapinarof, ranked by severity

Evidence & sources

Malic Acid References

The 7 references that drive our Malic Acid 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.

Russell IJ, Michalek JE, Flechas JD, Abraham GE. Treatment of fibromyalgia syndrome with Super Malic: a randomized, double blind, placebo controlled, crossover pilot study. J Rheumatol 1995;22:953-8.
Fiume, Z. Final report on the safety assessment of malic acid and sodium malate. Int J Toxicol 2001;20 Suppl 1:47-55. PubMed
Electronic Code of Federal Regulations. Title 21. Part 184 - Direct Food Substances Affirmed as Generally Recognized as Safe. Available at: http://www.ecfr.gov/cgi-bin/text-idx?c=ecfr&sid=786bafc6f6343634fbf79fcdca7061e1&rgn=div5&view=text&node=21:3.0.1.1
Saleem R, Ahmad M, Naz A, et al. Hypotensive and toxicological study of citric acid and other constituents from Tagetes patula roots. Arch Pharm Res 2004;27(10):1037-42.
Chiriac A, Brzezinski P. Topical malic acid in combination with citric acid: an option to treat recalcitrant warts. Dermatol Ther. 2015;28(6):336-8. PubMed
CFR - Code of Federal Regulations Title 21 SUBCHAPTER B. 184.1069 Malic Acid. Food and Drug Administration Department Of Health And Human Services. Updated April 1, 2017. https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=184.1069.
Amended Safety Assessment of Malic Acid and Sodium Malate as Used in Cosmetics. Cosmetic Ingredient Review Expert Panel. Updated May 19, 2017. http://www.cir-safety.org/sites/default/files/malic%20acid.pdf. Accessed January 24, 2018.

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 Malic Acid and Tapinarof Together: Common Questions

Is it safe to take Malic Acid with Tapinarof?

We do not list a known interaction between Malic Acid and Tapinarof. 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.

Do Malic Acid and Tapinarof have any of the same side effects?

Yes — our sources link each of them separately to 2 of the same effects. That is not an interaction: neither changes how your body handles the other. It does mean that if one of those effects turns up, it can be harder to tell which one is behind it. They are listed on this page with the source behind each.

Are Malic Acid and Tapinarof used for the same thing?

They overlap in purpose, which usually means the real question is whether you need both rather than whether they are safe together. This page lists the shared uses and how strong the evidence is for Malic Acid in each. That is a conversation for your prescriber, especially if Tapinarof is being adjusted to a target.

How was the Malic Acid and Tapinarof combination checked?

Interactions in our licensed database are recorded against drug classes. Tapinarof is filed under 1 classification, and Malic Acid has documented interactions with 1 drug class — none of Tapinarof'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 Malic Acid interact with any other medications?

Yes. Malic Acid has 172 documented drug interactions in our database — Tapinarof 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 Tapinarof interact with any supplements?

Yes. Tapinarof has documented interactions with 3 supplements in our database — Malic Acid is not one of them. The Tapinarof 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

Malic Acid monograph Uses, safety profile, and every drug interaction in one place Tapinarof Topical drug information The full plain-English guide to this medication Tapinarof supplement interactions Every supplement checked against Tapinarof, 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 7 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Tapinarof and Malic Acid?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

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.