Herb & supplement monograph

Ecdysteroids Drug Interactions, Uses, Effectiveness, Safety & More

Medically reviewed by ·Updated June 2026
What is this page for?

First and foremost: how Ecdysteroids interacts with medications. The heart of this page is the interaction list — every drug Ecdysteroids is known to interact with, and how serious each one is.

But these pages have grown well beyond that into a full monograph — what Ecdysteroids is, what people use it for and how strong the evidence is, its safety and side effects, and answers to the questions we’re asked most — written and reviewed by the clinical staff at HelloPharmacist. It’s educational information from our licensed clinical databases, not medical advice, and we don’t sell or endorse products. Our editorial policy

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Interaction report

Drugs that interact with Ecdysteroids

0 medications have a known interaction with Ecdysteroids, graded by severity. Select any drug for the full evidence-based detail.

We don’t currently list any known drug interactions for Ecdysteroids. This doesn’t guarantee none exist — always confirm with your pharmacist before combining supplements with your medications.

Read The List Like a Pharmacist

What Severity, Likelihood & Evidence Mean

Severity — How Serious It Can Be

  • Major. Clinically significant; generally best avoided, or used only under direct professional supervision.
  • Moderate. May need monitoring, a dose adjustment, or separating the times you take each one.
  • Minor. Generally not clinically significant, but still worth noting and mentioning to your pharmacist.
  • No known interaction. Checked against our sources with nothing documented — not the same as proven safety.

Likelihood — How Well It’s Documented

  • Likely. Well-controlled human studies have demonstrated the likely existence of this interaction
  • Probable. Interaction has not been documented in well-controlled studies, however, the interaction has been demonstrated in some small human studies or in controlled animal studies in conjunction with multiple case reports.
  • Possible. Interaction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists
  • Unlikely. Interaction has been demonstrated in animal or in lab research but has been shown not to occur in humans.

Where This Data Comes From

  • Interaction records are evidence-graded and sourced from the Natural Medicines database (TRC Healthcare), the same reference used by pharmacists and hospitals.
  • Each drug listed above links to the full report for that exact Ecdysteroids combination — clinical detail, likelihood, evidence level, and citations.
  • Content is reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.
Monograph

Ecdysteroids: Uses, Safety & Side Effects

Medically reviewed by · Reviewed June 2026 ·
The bottom line

Ecdysteroids are plant- and insect-derived steroid-like compounds (most notably 20-hydroxyecdysone) marketed mainly to athletes for building muscle. Human evidence is very limited and far weaker than the marketing suggests, and long-term safety is not well studied. Talk to your pharmacist or doctor before using them, and avoid use during pregnancy and breastfeeding.

Part used
Roots and aerial parts of certain plants (such as Rhaponticum carthamoides and Spinacia oleracea); also found in some insects
Common forms
Capsules, tablets, powders, and extracts (often standardized to 20-hydroxyecdysone)
People commonly use it for
  • Muscle building and strength
  • Athletic performance and recovery
  • General "adaptogen" or vitality support
  • Anti-aging and wellness

Popular and traditional uses — not proof it works. See “Uses & effectiveness” below for the evidence.

Safety at a glance
OverallUse caution

Short-term use appears generally well tolerated in small studies, but long-term safety is not well established.

PregnancyInsufficient reliable information

Insufficient reliable information available.

Read the full pregnancy detail
BreastfeedingInsufficient reliable information

Insufficient reliable information available.

Read the full breastfeeding detail

Pregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center). Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

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Overview

Ecdysteroids are a group of natural steroid-like compounds. They are best known in insects, where hormones such as ecdysone help control molting and growth. Many plants also make ecdysteroids, possibly to protect themselves from insects.

The most studied ecdysteroid is 20-hydroxyecdysone. Common plant sources used in supplements include certain species like maral root (often listed as Rhaponticum or Leuzea) and spinach. These compounds are usually sold as capsules, tablets, or powders, often marketed to people who lift weights or want to improve athletic performance.

How it works

Researchers are still studying exactly how ecdysteroids work in the human body. Unlike human anabolic steroids, ecdysteroids are not thought to act strongly on the male hormone (androgen) receptor, which is one reason they are marketed as a "non-hormonal" option.

Laboratory and animal studies suggest 20-hydroxyecdysone may affect certain cell signals and protein building, and possibly the estrogen-receptor-beta pathway. These proposed mechanisms come mostly from cell and animal research, and it is not clear how well they apply to people taking supplements.

Effectiveness

Does Ecdysteroids work?

Here’s what the research actually shows for each use — graded by Natural Medicines and reviewed by .

Evidence overview · 3 uses evaluated
3 Insufficient evidence
How to read these evidence grades

Natural Medicines’ 7-point scale. We show each rating’s label word-for-word.

1EffectiveStrong, consistent evidence it works.
2Likely EffectiveGood evidence, though not yet conclusive.
3Possibly EffectiveSome evidence suggests a benefit.
4Possibly IneffectiveSome evidence it may not help.
5Likely IneffectiveFairly strong evidence it doesn’t help.
6IneffectiveStrong evidence it doesn’t work.
7Insufficient Reliable Evidence to RateToo little research to say either way.

For Ecdysteroids, current evidence isn’t strong enough to rate any specific use. The conditions it has been studied for are listed below.

Also studied for 3 conditions — evidence insufficient to rate
Insufficient Reliable Evidence To Rate Athletic performance
Rating & evidence shown verbatim from Natural Medicines

Although there has been interest in using oral ecdysteroids for athletic performance, there is insufficient reliable information about the clinical effects of ecdysteroids for this purpose.

Insufficient Reliable Evidence To Rate Diabetes
Rating & evidence shown verbatim from Natural Medicines

Although there has been interest in using oral ecdysteroids for diabetes, there is insufficient reliable information about the clinical effects of ecdysteroids for this purpose.

Insufficient Reliable Evidence To Rate Parkinson disease
Rating & evidence shown verbatim from Natural Medicines

Although there has been interest in using oral ecdysteroids for Parkinson disease, there is insufficient reliable information about the clinical effects of ecdysteroids for this purpose.

Source & disclaimer. Effectiveness ratings and evidence summaries are provided by Natural Medicines (Therapeutic Research Center) and shown as licensed. Where Natural Medicines hasn’t rated a use, HelloPharmacist’s pharmacists may add their own reviewed rating and evidence (each such entry is labeled). This is educational information, not medical advice — talk with your pharmacist or doctor before starting, stopping, or changing a supplement.

Safety & precautions

In short human studies, ecdysteroid supplements have generally been reported as well tolerated. However, the studies are small and short, so long-term safety is not well known. Product quality and actual content can vary between brands.

People with hormone-sensitive conditions, liver or kidney problems, or any chronic health condition should talk to a doctor or pharmacist before using these products. Athletes should be aware that supplement contents are not always accurate and that some products may not match their labels.

Pregnancy and breastfeeding: there is not enough reliable safety information, so it is best to avoid ecdysteroids if you are pregnant, trying to become pregnant, or breastfeeding.

Side effects

Reported side effects in short studies have been mild and uncommon, and may include stomach upset or digestive discomfort. Because high-quality, long-term data are lacking, the full side-effect picture is unknown.

Stop using the supplement and seek medical care if you notice signs of an allergic reaction (rash, swelling, trouble breathing) or any unexpected or concerning symptoms.

Dosing

There is no well-established, standardized dose for ecdysteroids. Doses used in research vary, and many products are standardized to a percentage of 20-hydroxyecdysone, but ideal amounts in people are not proven.

If you choose to use a product, follow the directions on the label and do not exceed them. Because quality varies, look for brands that use third-party testing, and check with your pharmacist or doctor before starting, especially if you take medicines or have a health condition.

Pregnancy & Breastfeeding

Ecdysteroids & Pregnancy

Insufficient reliable information

Insufficient reliable information available.

Ecdysteroids & Breastfeeding

Insufficient reliable information

Insufficient reliable information available.

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

Pregnancy & lactation ratings: Natural Medicines, Therapeutic Research Center

References & further reading

The 2 sources that drive our Ecdysteroids monograph — publicly available pages from reputable medical and government organizations. Every link was verified to work before publishing.

  1. Dietary Supplements for Exercise and Athletic Performance — NIH Office of Dietary Supplements Source
  2. Dietary Supplements — MedlinePlus Source
Keep reading

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.

Brand directory

Brands that make products with Ecdysteroids

1 brand in our database make a supplement containing Ecdysteroids.

Product directory

Supplement products with Ecdysteroids

1 product in our database contain Ecdysteroids. Open any to see its full ingredient list and every drug interaction we check.

Pharmacist Counseling Corner

Ecdysteroids: Common Questions

What is Ecdysteroids used for, and does it work?
People use Ecdysteroids for a range of reasons, but according to the Natural Medicines database the current clinical evidence is insufficient to confirm it works for the specific conditions it has been studied for. See the graded list on this page, and talk to your pharmacist or doctor before relying on it for any condition.
Does Ecdysteroids interact with prescription medications?
We do not currently list any known drug interactions for Ecdysteroids. This does not guarantee that none exist, so always confirm with your pharmacist before combining it with your medications.
How are Ecdysteroids interactions rated?
Each interaction is graded major, moderate, or minor based on how clinically significant it is and the strength of the evidence behind it. Major interactions are the most serious and are best avoided, or used only under close professional supervision.
Is it safe to take Ecdysteroids with my medications?
It depends on the specific medication. Some combinations are fine, while others call for monitoring, timing changes, or should be avoided. Check your exact drug above and confirm with your pharmacist or doctor before starting, stopping, or changing anything.
Where does this Ecdysteroids interaction information come from?
Our interaction data is built on the Natural Medicines database — an evidence-graded reference for vitamins, herbs, and supplements — and is reviewed by licensed HelloPharmacist pharmacists, who may add clinical context.
What are Ecdysteroids used for?
They are mostly used by athletes and gym-goers who hope to build muscle, increase strength, and improve recovery, and sometimes for general energy and wellness. These are popular uses, not proven benefits.
Do Ecdysteroids actually build muscle?
Marketing claims are strong, but human evidence is limited and mixed. There is not enough good-quality research to confirm they reliably build muscle or boost performance.
Are Ecdysteroids the same as anabolic steroids?
No. They are steroid-like compounds from plants and insects and are not thought to act strongly like human anabolic steroids, but their effects and safety in people are not fully understood.
Are Ecdysteroids safe to take?
Short-term use has generally been well tolerated in small studies, but long-term safety is unknown and product quality varies. Check with your pharmacist or doctor first, and avoid use during pregnancy and breastfeeding.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Keep exploring

Products that contain Ecdysteroids

A rotating sample of real supplements in our database that list Ecdysteroids — open any to see its full ingredients and every drug interaction we check.

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