Pre JYM
JYM Supplement Science

Pre JYM

0.0/10
SuppsSimplified Score
B+ · Solid Formulation

A real, well-supported formula with a few soft spots.

Backed by 3 peer-reviewed citations
Energy0.0/10
🧠Focus0.0/10
💪Pump0.0/10
🏋Performance0.0/10
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.

05100h1h2h3h
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

  • Creatine1.17 g
    39%Under-dosed
  • Beta Alanine2 g
    44%Under-dosed
  • Betaine1.5 g
    60%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

Related pre-workouts