
JYM Supplement Science
Pre JYM
Servings / tub
30
Price per serving
$1.50
Cost per point
$0.19
per formula score point
Caffeine
300 mg
≈ 3.2 cups of coffee
Strengths
- Touches every major benefit -- pump, energy, focus, and endurance
- A real, noticeable pump
- Reliable, balanced energy
- A well-rounded, moderate experience
- A solid pump
Watch-outs
- No single benefit is pushed to its max
- Muscular endurance support is lighter than ideal
- Strength boost from creatine is smaller than expected
- You'd rather have a couple of things maxed out than everything moderate
Effects Timeline
AI-estimated changes in effects over the first 3 hours after taking the recommended serving.
AI analysis
A bit of everything -- pump, energy, endurance, and focus -- each at a moderate level. A well-rounded experience rather than one standout effect.
Ingredient breakdown
Every dose · every gap| Ingredient | Clinically effective dose | Dose in Pre JYM | Status |
|---|---|---|---|
| Creatine | 3 g | 1.17 g | 39%Under-dosed |
| Beta Alanine | 4.5 g | 2 g | 44%Under-dosed |
| Betaine | 2.5 g | 1.5 g | 60%Moderate dose |
- Creatine1.17 g39%Under-dosed
- Beta Alanine2 g44%Under-dosed
- Betaine1.5 g60%Moderate dose
Evidence references
Int J Sport Nutr Exerc Metab · 2024 · n=331
Effect of Beta-Alanine Supplementation on Maximal Intensity Exercise in Trained Young Male Individuals: A Systematic Review and Meta-Analysis
Nutrients · 2026 · n=644
Effects of Citrulline Malate Supplementation on Exercise Performance: A Systematic Review and Three-Level Meta-Analysis
Nutrients · 2025
The Effects of Creatine Supplementation on Upper- and Lower-Body Strength and Power: A Systematic Review and Meta-Analysis


