Performance
Ecdysterone (Beta-Ecdysone)
Also known as: 20-Hydroxyecdysone, Beta-ecdysone, Turkesterone (related)
Plant steroid with anabolic properties without hormonal effects. Research shows muscle-building effects though mechanism debated.
Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.
Primary uses
- Muscle building
- Strength
- Protein synthesis
- Non-hormonal anabolic
How it works
- May activate estrogen receptor beta
- Increases protein synthesis
- Non-androgenic
- Plant-derived
Dosage
- Typical range
- 200-500mg daily
- Timing
- With protein-containing meals
- With food
- Yes
- Duration
- 8+ weeks for effects
- Special populations
- Natural athletes, muscle building
Forms
- Capsule
Safety
Common side effects
- Generally well tolerated
Contraindications
- None established
Evidence notes
Some clinical support but mechanism and quality control debated
Grade C: Mostly observational or small trials; mechanism is plausible but unproven at scale.
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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.