Quick Verdict
Beta-Alanine
Increases intramuscular carnosine levels, buffering acid (H+) during high-intensity exercise. Delays neuromuscular fatig
Evidence: strong (200+ studies)
Collagen Peptides
Hydrolyzed collagen (types I, II, III) for skin, joint, and connective tissue health. Provides glycine, proline, and hyd
Evidence: moderate (60+ studies)
Side-by-Side Comparison
| Beta-Alanine | Collagen Peptides | |
|---|---|---|
| Category | performance | protein |
| Evidence Level | strong | moderate |
| Studies | 200+ | 60+ |
| Dosage | 2-5 g | 10-20 g |
Stack Compatibility
Beta-Alanine: Creatine (synergistic — different mechanisms), Sodium bicarbonate, Citrulline malate
Collagen Peptides: Vitamin C, Hyaluronic Acid, Glycine, Magnesium
Which Should You Choose?
Beta-Alanine has stronger evidence (200+ studies).