Turkesterone

Also known as: ajuga turkestanica, ecdysterone, beta-ecdysterone

Grade C — Preliminaryecdysteroidperformance
500–1000 mgSplit AM/PM with meals

Plant-derived ecdysteroid marketed for muscle growth. Ecdysterone (related compound) has one promising human study. Turkesterone itself lacks human clinical trials. Product quality is a major concern in this category.

💪Muscle & Recovery⚡Energy
Last reviewed: 2026-03-12

Quick Facts

Evidence

Grade C

Studies

1

Interactions

1

Forms

1

Evidence Rating: Grade C — Preliminary

Limited human trials, mostly animal or in-vitro data. Promising but not yet proven in robust human studies.

Interaction Warnings

Anabolic agentsLow

Theoretically additive with other muscle-building compounds.

Important Notes

  • Turkesterone specifically has almost no human clinical data — most research is on ecdysterone (a related compound)
  • The Isenmann 2019 study used ecdysterone, not turkesterone
  • Market is plagued by underdosed and mislabeled products
  • Expensive relative to evidence base
  • Third-party verification of actual turkesterone content essential

Clinical Evidence (1 study)

Ecdysterone supplementation and strength training

Isenmann E et al. (2019) — Arch Toxicol

Ecdysterone 200mg/day significantly increased muscle mass in resistance-trained men vs placebo over 10 weeks; WADA recommended monitoring

View on PubMed

Alternatives to Consider

These supplements target similar goals and may be worth considering alongside or instead of Turkesterone.

Creatine Monohydrate

Grade A

One of the most researched supplements in history. Strong evidence for strength, power, and emerging evidence for brain function.

💪 Muscle & Recovery⚡ Energy

Beta-Alanine

Grade A

Increases muscle carnosine levels, buffering acid during high-intensity exercise. Well-supported for 1-4 min high-intensity efforts.

💪 Muscle & Recovery⚡ Energy

Citrulline

Grade B

Converts to arginine and boosts nitric oxide production. Improves exercise performance and blood flow.

💪 Muscle & Recovery⚡ Energy

Related Supplements

Creatine Monohydrate

Grade A — Strong Evidence

One of the most researched supplements in history. Strong evidence for strength, power, and emerging evidence for brain function.

Citrulline

Grade B — Moderate Evidence

Converts to arginine and boosts nitric oxide production. Improves exercise performance and blood flow.

Beta-Alanine

Grade A — Strong Evidence

Increases muscle carnosine levels, buffering acid during high-intensity exercise. Well-supported for 1-4 min high-intensity efforts.

Cordyceps

Grade B — Moderate Evidence

Medicinal mushroom with RCT evidence for improved VO2 max and exercise tolerance. 3-4g/day for athletic performance.

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⚕️ Important Disclaimer

This information is for educational purposes only. It is not medical advice. Always consult a healthcare provider before starting any supplement regimen, especially if you take medications or have health conditions.

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