Forms Comparison
| Form | Bioavailability | Best For |
|---|---|---|
| Alpha-GPC Capsules (50%) | High | Standard supplementation — 50% Alpha-GPC by weight (hygroscopic, requires silica carrier) |
| Alpha-GPC Powder | High | Flexible dosing — mix into beverages or nootropic stacks |
| Alpha-GPC Liquid | Very High | Rapid absorption — sublingual or oral liquid for faster onset |