Ecdysterone/turkesterone,
does it really help with Muscle and strength?
research showsThe ingredients should be separated. For ecdysterone, Isenmann 2019 (n=46) reported signals for increased lean mass and bench press, but Wilborn 2006 (n=45) found no effect on resistance-training adaptations. Therefore ecdysterone is placed at C. Turkesterone is effectively separated in the body text as ? (no human evidence) because it has essentially no separate human muscle or strength evidence.
ads claimAdvertisements mention "natural anabolic," "steroid alternative," "muscle mass," "strength," and "high-potency turkesterone." Actual human evidence centers on ecdysterone and is difficult to generalize to turkesterone.
Useful facts when choosing a product
- Analytical studies report that commercial products may differ between labeled content and actual ecdysteroid content.
- Turkesterone cannot be treated as having the same human evidence as ecdysterone.
- WADA has placed ecdysterone on its monitoring program, and prohibited status must be checked separately against the latest rules.
- Long-term high-dose safety data are limited.
Chamgap Semantic Classification Code
Candidate index · review held
UNK.ecdysterone.UNK.muscle-and-strength.assess.placeboUnknown > Ecdysterone > Unknown > Muscle and strength > Association or change assessment > Placebo
An automated migration candidate, not an issued permanent code; exact claim scope remains under review. This machine-generated migration candidate helps retrieval but is not a permanent assignment. The original verdict ID and URL remain authoritative.
What the research actually shows
Ecdysterone: Isenmann 2019 divided 46 young men during 10 weeks of resistance training into ecdysterone supplement groups and control groups and reported larger increases in lean mass and 1RM bench press. The study found differences from the label in actual supplement content analysis and proposed the need to review inclusion on the WADA prohibited list. Wilborn 2006 reported that supplements including ecdysterone 30 mg/day did not improve body composition, training adaptations, or hormone measures in 45 resistance-trained men. Turkesterone: animal, cell, and ingredient-analysis data predominate, and evidence separated as a human RCT for muscle or strength is essentially not confirmed.
Why this is classified as C (45)
Ecdysterone is C at 45 points because Isenmann 2019 (n=46) positive findings and Wilborn 2006 (n=45) null findings are split and independent large-scale replication is lacking. Turkesterone is separated because separate human evidence is essentially absent.
Counterpoint. The 2019 ecdysterone study results are not extended to all turkesterone products.
Rejudgment record. Draft — For ecdysterone, Isenmann 2019 (n=46) positive findings and Wilborn 2006 (n=45) null findings coexist; turkesterone lacks separate human evidence
Cross-check — AI research and Codex final gate
Evidence Table
| Study | Design | Sample | Funding | Endpoint | Result | Weight |
|---|---|---|---|---|---|---|
| Isenmann E et al. 2019 | Randomized placebo-controlled resistance-training study | 46 | WADA-supported | Lean mass and 1RM bench press | The ecdysterone groups had greater increases in muscle mass and bench press. | Core |
| Wilborn CD et al. 2006 | Randomized placebo-controlled resistance-training study | 45 | Academic/mixed | Body composition, strength, and hormones | Ecdysterone 30 mg/day and other supplements did not improve training adaptations. | Core |
| Label-content analyses 2020 | Product analysis study | Public/academic | Label content and ingredients | Content and labeling mismatch problems were reported for alternative anabolic supplements. | Product fact |
Receipt — 3 References
All 3 cited sources were verified for existence at the original page (as of 2026-07-10).
Final verification and publication gate: Codex · Evidence date: 2026-07-10 · Corrections: none
Cite this verdict
[Chamgap] Ecdysterone/turkesterone x muscle and strength — Evidence Grade C·45. 3 cited sources checked. Source: https://chamgap.com/en/verdicts/sports/ecdysterone-turkesterone-muscle-strength/ · CC BY 4.0CC BY 4.0 — free to use with attribution; do not distort grades, numbers, or verdict meaning.
What this document does and does not do
Chamgap is an information source. It reports what research has and has not confirmed; it does not tell readers what to take or buy. That decision belongs to readers and, when needed, medical or legal professionals. This verdict reflects literature available up to the search date and may change as new research appears. Nothing here is medical advice.