What is Beta-Ecdysterone (20-Hydroxyecdysone)?

Beta-Ecdysterone, also called 20-Hydroxyecdysone, is a naturally occurring ecdysteroid found in some plants and insects. It is sold as a sports nutrition supplement for potential training-related benefits.

What is a typical Beta-Ecdysterone dosage?

Supplement doses commonly fall in the range of about 50–500 mg per day. Product potency and formulations vary, so follow label directions and consider professional guidance.

Is Beta-Ecdysterone safe?

Human safety data are limited compared with many established supplements. People who are pregnant or breastfeeding, have medical conditions, or take medications should consult a clinician before use.

Will Beta-Ecdysterone improve exercise performance?

Evidence suggests possible modest improvements in certain performance measures, but findings are not consistent. Training quality, diet, and recovery remain the primary drivers of performance changes.

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Beta-Ecdysterone

Mixed study results·5/10

A higher score indicates better study conditions, but not necessarily effectiveness.

A plant-derived ecdysteroid supplement investigated for its potential anabolic and exercise-enhancing properties in humans.

Sport Exercise Recovery Anti-inflammatory Exercise Performance Muscle Gain

dose range

50–500 mg

1–2 doses daily with meals

Consumption

Take with food (preferably with fat) to potentially improve absorption.

Not fat-soluble.

Best time

Most studies dose before or after exercise and/or with the first meal; human absorption data remain limited.

Description

Beta-Ecdysterone, or 20-Hydroxyecdysone, is a naturally occurring compound found in certain plants and insects. Marketed as a performance- and muscle-enhancing supplement, it has attracted attention for its potential anabolic effects in resistance-trained individuals.

benefits

Main effects with level of evidence

Mixed

Note on evidence

Early human clinical trials and animal studies suggest anabolic-like effects, but data are limited and inconsistent. Larger, long-term human studies are needed to confirm safety and efficacy.

May support muscle growth and strength

Mixed

Randomized controlled trials suggest beta-ecdysterone may increase muscle hypertrophy and strength when combined with resistance training.

Particularly relevant for: Athletes · Adults in resistance training

1 · Is ecdysterone a ‘magic bullet’ for muscle growth?4 · NIH: Ecdysteroids as anabolic agents: a review

May improve exercise performance

Mixed

Some evidence points to mild improvements in power output and endurance, though effects are modest and results vary.

Particularly relevant for: Athletes · Active individuals

3 · Effects of ecdysteroids on resistance exercise performance 4 · NIH: Ecdysteroids as anabolic agents: a review

Potential anti-inflammatory and recovery support

Limited

Laboratory and animal studies indicate anti-inflammatory mechanisms that may aid post-exercise recovery, but confirmation in humans is limited.

Particularly relevant for: Athletes · Individuals with high exercise loads

2 · Ecdysterone: Uses, Side Effects, and More 4 · NIH: Ecdysteroids as anabolic agents: a review

Safety & Information

Important safety information & known risks

For educational purposes only • not medical advice

Generally well tolerated in short-term studies, but long-term safety is unknown.

warning notices

Most reported side effects are mild, primarily gastrointestinal disturbances at higher doses.
Lack of long-term human safety data—use cautiously regarding duration and dose.
Not recommended for pregnant or breastfeeding persons due to lack of data.
Do not use if pregnant or breastfeeding.
Avoid use if you have a known sensitivity to phytoestrogens or hormone-sensitive conditions without consulting a qualified clinician.
Monitor for gastrointestinal discomfort at higher doses.

Contraindications / special precautions

Pregnancy
Breastfeeding
Active hormone-sensitive conditions (e.g., certain cancers)

interactions

Important interactions between active ingredient ↔ supplement / medication / food

Data on clinically significant interactions are sparse. No major contraindicated medications or nutrient interactions have been clearly identified, but caution is advisable with hormone-sensitive conditions.

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mechanisms of action

Brief explanations of how it works