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21st Century Pre-Workout

Backed by 6 studies

Overall grade based on research across 2 ingredients.

C
55out of 100Grade C
Research evidence score

Weighed against 6 published studies · led by Caffeine

Worth a look. Beta-alanine has real research behind it, but Caffeine doesn't have enough studies yet.

Based on the ingredients we could read from this scan. A full label may include more — like added sugars, colorings or other ingredients — than we captured here.

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Ingredient breakdown

D
CaffeineImproves alertness and cognitive performance
Research direction: Mixed findingsEvidence: 3 studiesEvidence strength: Weak - research is split or limited
B
Beta-alanineImproves exercise endurance and reduces fatigue
Research direction: Leans supportiveEvidence: 3 studiesEvidence strength: Good - most research backs this

This summary describes only the ingredients and the research behind them — it is not a judgment of the product or its marketing. Grades reflect the weight of published evidence cross-referenced against 350M+ research papers. How we grade →

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