Side-by-side comparison of mechanisms, dosing, interactions, and stacking potential.
| Ecdysterone (Beta-Ecdysterone) | Tart Cherry Extract | |
|---|---|---|
| Category | Training Compounds | Training Compounds |
| Standard Dose | — | 480-960mg tart cherry extract daily or 8-12 oz tart cherry juice concentrate |
| Timing | — | Split AM/PM. Begin 4-5 days before anticipated intense training or competition for maximal protective effect. Continue 2-3 days after. |
| Cycle Duration | — | Event-based (4-7 day windows around intense training) or ongoing at lower dose |
| Evidence Level | Moderate | moderate_human |
Phytoecdysteroid that activates estrogen receptor beta (ER-beta) to stimulate protein synthesis via the PI3K/Akt pathway. Enhances muscle protein synthesis without androgenic effects or hormonal suppression. WADA has considered adding it to the banned list due to efficacy.
Tart cherry (Prunus cerasus) is rich in anthocyanins (cyanidin-3-glucoside, cyanidin-3-rutinoside) and proanthocyanidins that inhibit COX-1 and COX-2 enzymes (comparable to ibuprofen in in vitro studies), suppress NF-kB-mediated inflammatory signaling, and scavenge reactive oxygen and nitrogen species. Tart cherry also contains natural melatonin (13.5 ng/g) and tryptophan, supporting sleep quality. The anti-inflammatory and antioxidant effects reduce exercise-induced muscle damage (EIMD) markers (CRP, IL-6, creatine kinase) and accelerate recovery of muscle function post-exercise.
480-960mg tart cherry extract daily or 8-12 oz tart cherry juice concentrate
Split AM/PM. Begin 4-5 days before anticipated intense training or competition for maximal protective effect. Continue 2-3 days after.
Event-based (4-7 day windows around intense training) or ongoing at lower dose
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