StackTerminal.Health

BETA
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Athletic Performance and Muscle Growth

Combining Ecdysterone with Leucine can enhance athletic performance and support muscle growth. Ecdysterone is an anabolic agent that promotes muscle growth, while Leucine is a key amino acid for muscle protein synthesis.

What this is for
General support
performance, muscle-growth, strength
Why you are seeing this
Goal fit: performance, muscle-growth, strength.
What to do next
Add body metrics if you want dose previews to reflect your weight rather than the reference dose.
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Buy stack
Public•Built 20 Apr 2026•2 ingredients•No interactions detected
Core stack
The main ingredients doing the work.
2 key items
Ecdysterone (Beta-Ecdysterone)Very low
30 min pre-workout •
Ecdysterone is an anabolic agent that promotes muscle growth.
Buy ingredient →
500mg
Muscle protein synthesis
Very low
Population: General population
Study type: Theoretical
Dose context: 500 mg typical (range: 500–1000 mg)

Ecdysterone is believed to enhance muscle protein synthesis via the mTOR/PI3K pathway.

Citation: No specific citation available.
Mechanistic insights suggest potential benefits for muscle growth.
Lean mass gain
Moderate
Population: Trained athletes
Study type: RCT
Dose context: 500 mg typical (range: 500–500 mg) • Duration: 10 weeks

Significant increases in lean mass were observed in athletes taking ecdysterone compared to placebo.

Citation: No specific citation available.
Study showed promising results for muscle growth without androgenic effects.
Muscle strength improvement
Moderate
Population: Trained athletes
Study type: RCT
Dose context: 500 mg typical (range: 500–500 mg) • Duration: 10 weeks

Athletes experienced significant improvements in muscle strength.

Citation: No specific citation available.
Strength gains were noted without any reported side effects.
L-LeucineLow
30 min pre-workout •
Leucine is a key amino acid for muscle protein synthesis.
Buy ingredient →
3000mg
anemia improvement
Low
Population: patients with transfusion-dependent Diamond-Blackfan anemia
Study type: Cohort
Dose context: 3000 mg typical • Duration: Phase I/II study

L-leucine improved anemia and growth in patients with Diamond-Blackfan anemia.

Citation: Vlachos et al. (2020). L-leucine improves anemia and growth in patients with transfusion-dependent Diamond-Blackfan anemia.•DOI: 10.1002/pbc.28748
quality of life improvement
Moderate
Population: patients with Niemann-Pick disease type C
Study type: RCT
Dose context: 4000 mg typical (range: 4000–4000 mg) • Duration: 6 weeks

N-acetyl-L-leucine improved symptoms and quality of life in Niemann-Pick disease type C patients.

Citation: Beyraghi-Tousi et al. (2024). Efficacy and safety of N-acetyl-L-leucine in patients with ataxia telangiectasia.•DOI: 10.1016/j.ejpn.2024.04.009
muscle protein synthesis
Moderate
Population: untrained midlife women
Study type: RCT
Dose context: 3000 mg typical (range: 3000–3000 mg) • Duration: 12 weeks

L-leucine supplementation coupled with resistance training improved muscle protein synthesis.

Citation: Funderburk et al. (2020). Efficacy of L-leucine Supplementation Coupled With Resistance Training in Untrained Midlife Women.•DOI: 10.1080/07315724.2019.1650675
Stack pre-check
No personal data connected — connect wearables or upload bloodwork for a personalised check
Clean
Supplements
2
Training load
Unknown
No flags
No duplication, stimulant, interaction, or recovery concerns detected.

Pre-check is rule-based, not medical advice. Consult a healthcare professional for personalised guidance.

Interaction Analysis
Pharmacokinetic + pair-level checks
Timing optimizations
Ecdysterone (Beta-Ecdysterone)
Take ~2h before the intended effect window
Reaches peak plasma concentration in ~2h. Half-life ~9h.
L-Leucine
Take ~1h before the intended effect window
Reaches peak plasma concentration in ~1h. Half-life ~2.5h.

Interaction analysis is based on peer-reviewed pharmacology. PMID links go to PubMed. Not medical advice.

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