Forms Comparison
| Form | Bioavailability | Best For |
|---|---|---|
| L-Arginine HCl | Moderate | General supplementation; most common and affordable form |
| L-Arginine Alpha-Ketoglutarate (AAKG) | Moderate | Pre-workout and exercise performance applications |
| Sustained-Release L-Arginine | Moderate-High | Cardiovascular support with steadier plasma levels |