
AI-estimated changes in effects over the first 3 hours after taking 1 serving.
| Ingredient | Clinically effective dose | Dose in Legend | Status |
|---|---|---|---|
| L-Citrulline | 6–8 g | 4 g | 67%Moderate dose |
| Beta-Alanine | 4.5 g | 2 g | 44%Under-dosed |
| Taurine | 2–3 g | 1 g | 50%Under-dosed |
| AlphaSize (Alpha-GPC) | 300–600 mg | 300 mg | 100%Clinically effective |
| Caffeine Anhydrous | 200–400 mg | 250 mg | 100%Clinically effective |
| NeuroFactor | 100 mg | 100 mg | 100%Clinically effective |
| Rauwolscine | 0.5–2 mg | 1 mg | 100%Clinically effective |
Legend offers modest, fairly even support across energy, focus, pumps, and performance, without a clear specialty or a glaring weakness.
It's a reasonable, middle-of-the-pack option rather than a standout.
Honest take: A middle-of-the-road formula that doesn't really justify its price over cheaper, equally balanced options.
Effect of Beta-Alanine Supplementation on Maximal Intensity Exercise in Trained Young Male Individuals: A Systematic Review and Meta-Analysis
Alpha-GPC and power output
NeuroFactor on plasma BDNF
Effects of Caffeine Intake on Endurance Running Performance and Time to Exhaustion: A Systematic Review and Meta-Analysis