Drug & supplement interaction

Epistane + Risedronate

Risedronate brand name: Actonel DR.

No Known Interaction
Medically reviewed by · Updated July 2026 · Pair last verified Sep 13, 2026
The bottom line No known interaction

We found no known interaction between Epistane and Risedronate 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.

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Interaction report

Epistane and Risedronate

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 Risedronate and Epistane 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.

Epistane safety at a glance

Epistane overall Avoid Epistane is a liver-toxic anabolic steroid, not a safe supplement, and is banned for sale as a dietary supplement.
Pregnancy Possibly Unsafe When used orally. Anabolic androgenic steroids, such as epistane, can disrupt the body's hormonal balance and cause various adverse effects including reduced fe... Read the full pregnancy detail
Breastfeeding Possibly Unsafe When used orally. Anabolic androgenic steroids, such as epistane, can disrupt the body's hormonal balance and cause various adverse effects including reduced fe... 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 Risedronate and Epistane? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Risedronate

Interactions in our licensed database are recorded against drug classes, not just single drug names. Risedronate is filed under 2 classifications — bisphosphonates, oral drugs. Epistane has documented interactions with 1 drug class — the most serious being hepatotoxic drugs (moderate) — and none of Risedronate’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

Epistane Does Interact With Other Medications

Epistane has 370 moderate known drug interactions in our database — Risedronate isn’t one of them. If you take anything else, check it against the full list below.

Moderate 370 No known interaction 2,460 (incl. Risedronate)
Taking anything else?

Check Another of Your Medications Against Epistane

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

What to actually watch for

No Interaction Found — But Data Suggests Epistane and Risedronate May Share a Side Effect

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.

  • Liver problems Worth acting on Additional detail

    Epistane

    “Epistane is an anabolic androgenic steroid, and more specifically a 17-alpha-alkylated androgen. Therefore, there is concern that epistane has hepatotoxic effects. Also, epistane is structurally similar to epitiostanol, which was associated with hepatotoxicity in a case series of four patients.”

    Epistane · Natural Medicines adverse-effect record, reported in cholestasis.

    2 sources cited
    1. 91138. Rahnema CD, Crosnoe LE, Kim ED. Designer steroids - over-the-counter supplements and their androgenic component: review of an increasing problem. Andrology. 2015;3(2):150-5. PubMed
    2. 109606. Díaz FC, Sáez-González E, Benlloch S, et al. Albumin dialysis with MARS for the treatment of anabolic steroid-induced cholestasis. Ann Hepatol. 2016;15(6):939-943.

    Risedronate

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

Reported for Epistane but not commonly for Risedronate: itching and yellowing of the skin or eyes.

Effects for Risedronate come from the ADVERSE REACTIONS section of its FDA label; effects for Epistane 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

Epistane in Pregnancy & Breastfeeding

Pregnancy And Lactation Possibly Unsafe

When used orally. Anabolic androgenic steroids, such as epistane, can disrupt the body's hormonal balance and cause various adverse effects including reduced fertility, hair loss, acne, and behavioral changes. Anabolic androgenic steroid use has also been associated with hepatotoxicity and increased risk for heart disease. The US Food and Drug Administration and other regulatory agencies warn that dietary supplements containing anabolic steroids are dangerous. Avoid using.

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

Everything else you take

See Every Supplement That Interacts With Risedronate

This page covers Epistane only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Risedronate page lists 23 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Calcium (moderate), Coffee Charcoal (moderate), Dolomite (moderate) and European Mandrake (moderate).

By severity: 1 major · 13 moderate · 9 minor.

From our pharmacist’s overview on the Risedronate page

“Risedronate (Actonel DR) is an osteoporosis medicine with an Achilles heel, poor absorption. Only a small fraction of each dose ever reaches the bone, and the 23 supplements on this page deserve genuine wariness because nearly all of them attack that weak point by binding or blunting the drug in the gut.”

Reviewed by 2 · Jul 18, 2026

Open the Risedronate interaction page

One more smart check

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

We hold 32 real supplement products containing Epistane, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Epistane. Even though Epistane itself has no known interaction with Risedronate, 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 Epistane and Risedronate 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 Epistane
Top half

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

29 days ago today
Medication Risedronate
Steady interest

#2,423 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 Epistane reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Epistane and Risedronate 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 Epistane

What is Epistane?

  • Building muscle mass
  • Increasing strength
  • Cutting or losing body fat
  • Bodybuilding cycles

Epistane is a synthetic anabolic steroid (a methylated 'designer steroid'), not a true dietary supplement or herb, even though it has been sold as a 'prohormone.' It is liver-toxic, can disrupt your natural hormones, and is illegal to sell as a supplement in the US under the Designer Anabolic Steroid Control Act. We strongly recommend avoiding it and talking with a doctor or pharmacist.

Synthetic compound (not a plant) · Capsules, tablets (sold as a 'prohormone' or 'designer steroid' supplement)

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

Epistane: dosing

There is no established or recommended safe dose for Epistane, because it is an anabolic steroid that was never approved as a medicine or a legitimate supplement. They can discuss safer, legal ways to reach your fitness goals and check on your liver and hormone health.

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

Read the full Epistane monograph & all interactions
Medication

About Risedronate

What Is Risedronate Used For?

Brand name: Actonel DR

Risedronate sodium tablets are used to treat and prevent osteoporosis in postmenopausal women, treat osteoporosis in men to increase bone mass, and treat and prevent osteoporosis caused by long-term steroid (glucocorticoid) use in both men and women. They are also used to treat Paget's disease of bone — a condition where bones break down and rebuild abnormally, becoming enlarged and weakened.

Risedronate sodium delayed-release tablets (brands Atelvia and Risedronate Sodium delayed-release) are approved specifically for the treatment of postmenopausal osteoporosis only — not for the other uses listed above.

See full Risedronate drug information
Keep checking

Other Drugs & Epistane

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

0Major
370Moderate
0Minor
2,459No known interaction
370 Moderate 2,459 No interaction
Moderate

370 interactions

Showing 60 of 370 moderate interactions — see all 370 on the Epistane page.

No interaction 2,459 drugs checked — show the list

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

Showing the 60 most looked-up of 2,459 medications checked with no known interaction — see the full Epistane list.

See the full Epistane interactions page
See every supplement checked against Risedronate, ranked by severity
Evidence & sources

Epistane References

The 3 references that drive our Epistane 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. Joseph JF, Parr MK. Synthetic androgens as designer supplements. Curr Neuropharmacol. 2015;13(1):89-100. PubMed
  2. Rahnema CD, Crosnoe LE, Kim ED. Designer steroids - over-the-counter supplements and their androgenic component: review of an increasing problem. Andrology. 2015;3(2):150-5. PubMed
  3. Díaz FC, Sáez-González E, Benlloch S, et al. Albumin dialysis with MARS for the treatment of anabolic steroid-induced cholestasis. Ann Hepatol. 2016;15(6):939-943.

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 Epistane and Risedronate Together: Common Questions

Is it safe to take Epistane with Risedronate?
We do not list a known interaction between Epistane and Risedronate. 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 Epistane and Risedronate have any of the same side effects?
Yes — our sources link each of them separately to one 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.
How was the Epistane and Risedronate combination checked?
Interactions in our licensed database are recorded against drug classes. Risedronate is filed under 2 classifications, and Epistane has documented interactions with 1 drug class — none of Risedronate'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 Epistane interact with any other medications?
Yes. Epistane has 370 documented drug interactions in our database — Risedronate 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 Risedronate interact with any supplements?
Yes. Risedronate has documented interactions with 23 supplements in our database — Epistane is not one of them. The Risedronate 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

Epistane monograph Uses, safety profile, and every drug interaction in one place Risedronate drug information The full plain-English guide to this medication Risedronate supplement interactions Every supplement checked against Risedronate, 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 3 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Risedronate and Epistane?

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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.