Quick Verdict
Beta-Alanine
Increases intramuscular carnosine levels, buffering acid (H+) during high-intensity exercise. Delays neuromuscular fatig
Evidence: strong (200+ studies)
Ashwagandha (KSM-66)
Ayurvedic adaptogen herb, most researched for cortisol reduction, testosterone support, and stress resilience.
Evidence: strong (40+ studies)
Side-by-Side Comparison
| Beta-Alanine | Ashwagandha (KSM-66) | |
|---|---|---|
| Category | performance | adaptogens |
| Evidence Level | strong | strong |
| Studies | 200+ | 40+ |
| Dosage | 2-5 g | 300-600 mg |
Stack Compatibility
Beta-Alanine: Creatine (synergistic — different mechanisms), Sodium bicarbonate, Citrulline malate
Ashwagandha (KSM-66): Magnesium, L-Theanine, Rhodiola Rosea, Zinc
Which Should You Choose?
Both serve different purposes. Choose based on your priority.