| Source | Manufactured through an industrial process | Extracted from plants |
| Common Origins | Lab-produced caffeine powder | Green tea leaves, yerba mate |
| Label Disclosure | Often listed simply as “caffeine” or within blends | Source typically specified on label |
| Ingredient Context | Isolated compound | Comes from identifiable botanical sources |
| Use in Proprietary Blends | Common | Rare |
| Consumer Transparency | Variable | High |
| FITAID Usage | ❌ Not used | ✅ Used exclusively |
| Regulatory Status | FDA-permitted | FDA-permitted |
| Typical Consumer Preference Trend | Declining | Growing |
