Drug & supplement interaction

Adrenal Extract + Gemfibrozil

Gemfibrozil brand name: Lopid.

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 Gemfibrozil 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 Gemfibrozil

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 Gemfibrozil 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 Gemfibrozil, 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 Gemfibrozil and Adrenal Extract? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

What Gemfibrozil’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 Gemfibrozil’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.

  • Severe muscle breakdown Worth acting on
  • Muscle weakness Worth acting on
  • Pancreatitis Worth acting on
  • Yellowing of the skin or eyes Worth acting on
  • Fainting Worth acting on
  • An irregular heartbeat Worth acting on
  • Confusion Worth acting on
  • Seizures Worth acting on
  • Low mood Worth acting on
  • A low platelet count Worth acting on

Showing the 10 most notable of 40 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 Gemfibrozil. 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 Gemfibrozil

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 Gemfibrozil, 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 Gemfibrozil

This page covers Adrenal Extract only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Gemfibrozil page lists 59 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Beer (major), Siberian Cocklebur (major), Wine (major) and Ashwagandha (moderate).

By severity: 4 major · 46 moderate · 9 minor.

Open the Gemfibrozil 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 Gemfibrozil, 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 Gemfibrozil 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

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

29 days ago today
Medication Gemfibrozil
Steady interest

#2,396 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 Gemfibrozil 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 Gemfibrozil

What Is Gemfibrozil Used For?

Brand name: Lopid

Gemfibrozil tablets are used in adults with very high triglyceride (blood fat) levels — especially when those levels are high enough to risk pancreatitis (dangerous inflammation of the pancreas) — and who haven't responded well enough to diet alone.

Gemfibrozil is also used in a specific group of adults who have a combination of low HDL ("good") cholesterol, high LDL ("bad") cholesterol, and high triglycerides, to reduce the risk of developing coronary heart disease — but only when diet, exercise, and other treatments haven't been enough. It is always used alongside, not instead of, a heart-healthy diet.

Most-Reported Side Effects for Gemfibrozil

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.

Nausea 886 reports
Fatigue 833 reports
Diarrhea 731 reports
Dizziness 618 reports
Rhabdomyolysis 605 reports
See full Gemfibrozil 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 Gemfibrozil, 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 Gemfibrozil Together: Common Questions

Is it safe to take Adrenal Extract with Gemfibrozil?
We do not list a known interaction between Adrenal Extract and Gemfibrozil. 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 Gemfibrozil interact with any supplements?
Yes. Gemfibrozil has documented interactions with 59 supplements in our database — Adrenal Extract is not one of them. The Gemfibrozil 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 Gemfibrozil drug information The full plain-English guide to this medication Gemfibrozil supplement interactions Every supplement checked against Gemfibrozil, 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 Gemfibrozil and Adrenal Extract?

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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.