Quick Verdict
Beta-Alanine
Increases intramuscular carnosine levels, buffering acid (H+) during high-intensity exercise. Delays neuromuscular fatig
Evidence: strong (200+ studies)
Magnesium
Essential mineral involved in 300+ enzymatic reactions. Critical for muscle function, sleep, energy production. Most peo
Evidence: strong (600+ studies)
Side-by-Side Comparison
| Beta-Alanine | Magnesium | |
|---|---|---|
| Category | performance | minerals |
| Evidence Level | strong | strong |
| Studies | 200+ | 600+ |
| Dosage | 2-5 g | 200-400 mg |
Stack Compatibility
Beta-Alanine: Creatine (synergistic — different mechanisms), Sodium bicarbonate, Citrulline malate
Magnesium: Vitamin D3, Zinc (evening), Glycine, Melatonin (sleep synergy)
Which Should You Choose?
Both serve different purposes. Choose based on your priority.