Drug & supplement interaction

Adrenal Extract + Rifampin

Rifampin brand names: Rifadin, Rimactane, Rifadin Injection, Rofactor.

No Known Interaction
Medically reviewed by · Updated July 2026 · Pair last verified Sep 20, 2026
The bottom line No known interaction

We found no known interaction between Adrenal Extract and Rifampin 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

Adrenal Extract and Rifampin

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 Rifampin and Adrenal Extract 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 Adrenal Extract at all — not against Rifampin, 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.

Adrenal Extract safety at a glance

Adrenal Extract overall Use caution Evidence of benefit is lacking and animal-tissue products carry contamination and hormonal concerns.
Pregnancy Avoid Safety is unknown; avoid use during pregnancy.
Breastfeeding Avoid Safety is unknown; avoid use while breastfeeding.

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

Still wondering about combining Rifampin and Adrenal Extract? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

What Rifampin’s Own FDA Label Lists

This is not an interaction — none of it involves Adrenal Extract. These are the most notable effects listed in the ADVERSE REACTIONS section of Rifampin’s own FDA label, for the medication by itself. Knowing the drug’s own list makes it easier to work out the likely cause if something new turns up while you take both. 10 of them are worth acting on rather than waiting out — marked below.

  • Muscle weakness Worth acting on
  • Unsteadiness Worth acting on
  • Yellowing of the skin or eyes Worth acting on
  • Wheezing Worth acting on
  • Confusion Worth acting on
  • A severe skin reaction Worth acting on
  • A low platelet count Worth acting on
  • Kidney problems Worth acting on
  • Anemia Worth acting on
  • Shortness of breath Worth acting on

Showing the 10 most notable of 36 label-listed effects — ranked by how unusual each one is across medicines generally, with serious effects weighted up.

From the ADVERSE REACTIONS section of the FDA label for Rifampin. Read the label on DailyMed › Adrenal Extract’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Adrenal Extract side to compare — that is a limit of the record, not a statement that Adrenal Extract has no side effects.

From our Q&A

Questions About Adrenal Extract or Rifampin

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

This page covers Adrenal Extract only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Rifampin page lists 222 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Apple (major), Asarabacca (major), Beer (major) and Grapefruit (major).

By severity: 9 major · 172 moderate · 41 minor.

From our pharmacist’s overview on the Rifampin page

“Rifampin (Rifadin) is the backbone of tuberculosis treatment, taken daily for months, which is plenty of time to pick up a juice habit or a probiotic without a second thought. With 222 supplement and food entries on file and 9 rated major, this list calls for real care, starting with the majors.”

Reviewed by 2 · Jul 18, 2026

Open the Rifampin interaction page

One more smart check

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

We hold 8 real supplement products containing Adrenal Extract, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Adrenal Extract. Even though Adrenal Extract itself has no known interaction with Rifampin, 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 Adrenal Extract and Rifampin 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 Adrenal Extract
Steady interest

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

29 days ago today
Medication Rifampin
Top 25%

#576 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 Adrenal Extract reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Adrenal Extract and Rifampin 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 Adrenal Extract

What is Adrenal Extract?

  • Fatigue and low energy
  • "Adrenal fatigue" support
  • Stress and burnout
  • Low energy after illness
  • General "adrenal support"

Adrenal extract is a glandular supplement made from the adrenal glands of animals, and it is marketed mainly for fatigue and so-called "adrenal fatigue." There is no good scientific evidence that it works, and "adrenal fatigue" is not a recognized medical diagnosis. Because of possible safety and contamination concerns, talk with your pharmacist or doctor before trying it.

Adrenal glands (cortex and/or whole gland) of cattle, pigs, or sheep · Capsules, tablets, and glandular powder extracts

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

Adrenal Extract: dosing

There is no established or standardized dose for adrenal extract. Products vary widely in their source, strength, and ingredients, so there is no reliable "correct" amount.If you choose to use it despite the limited evidence, follow the directions on the product label and do not take more than recommended. Choosing brands that use independent third-party testing may help with quality, but it does not guarantee that the product works.

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

Read the full Adrenal Extract monograph & all interactions
Medication

About Rifampin

What Is Rifampin Used For?

Brand names: Rifadin, Rimactane, Rifadin Injection, Rofactor

Rifampin treats all forms of tuberculosis (TB). It is almost always used in combination with other antibiotics — your doctor will build a multi-drug regimen tailored to your infection. Treatment usually runs for at least 6 months total.

Rifampin is also used to clear Neisseria meningitidis bacteria from the nose and throat in people who carry the germ without being sick themselves. It is not used to treat active meningococcal disease. The intravenous (IV) forms — Rifadin IV, Rifadin IV NOVAPLUS, and the injectable form of Rifampin — are specifically indicated when a patient cannot take the drug by mouth.

See full Rifampin drug information
Keep checking

Other Drugs & Adrenal Extract

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

0Major
0Moderate
0Minor
2,829No known interaction
2,829 No interaction
No interaction 2,829 drugs checked — show the list

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

Showing the 60 most looked-up of 2,829 medications checked with no known interaction — see the full Adrenal Extract list.

See the full Adrenal Extract interactions page
See every supplement checked against Rifampin, ranked by severity
Evidence & sources

Adrenal Extract References

The 2 references that drive our Adrenal Extract 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. Lewis CJ. Letter to reiterate certain public health and safety concerns to firms manufacturing or importing dietary supplements that contain specific bovine tissues. FDA. Available at: www.cfsan.fda.gov/~dms/dspltr05.html.
  2. Nationwide alert on hallmark labs injectable adrenal cortex extract. FDA. Available at: www.fda.gov/bbs/topics/NEWS/NEW00539.html

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 Adrenal Extract and Rifampin Together: Common Questions

Is it safe to take Adrenal Extract with Rifampin?
We do not list a known interaction between Adrenal Extract and Rifampin. 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.
Does Rifampin interact with any supplements?
Yes. Rifampin has documented interactions with 222 supplements in our database — Adrenal Extract is not one of them. The Rifampin 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

Adrenal Extract monograph Uses, safety profile, and every drug interaction in one place Rifampin drug information The full plain-English guide to this medication Rifampin supplement interactions Every supplement checked against Rifampin, 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 2 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Rifampin and Adrenal Extract?

Our pharmacists answer your medication & supplement questions — free.

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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.