Paullinic acid is an omega-7 fatty acid present in various plant sources which includes guarana (Paullinia cupana) from which it get its name. It is one of a number of eicosenoic acids.

Food Sources
| Food name | Weight (g) | Paullinic acid (g) |
| Herring fish | 140 | 5.107 |
| Macadamia nuts | 132 | 2.541 |
| Sablefish | 85 | 1.547 |
| Pine nuts | 135 | 1.081 |
| Red (sockeye) salmon | 108 | 0.929 |
| Coleslaw | 120 | 0.878 |
| Kielbasa | 370 | 0.825 |
| Beechnuts | 28.35 | 0.782 |
| Peanuts | 146 | 0.764 |
| Margarine | 232 | 0.422 |
| Black walnuts | 125 | 0.340 |
| Pecans | 110 | 0.292 |
| Peanut spread | 31 | 0.286 |
| Cashew | 129 | 0.193 |
| Mozzarella cheese | 228 | 0.187 |
| Chicken fat | 12.8 | 0.141 |
| Pistachio | 123 | 0.130 |
| Lard | 12.8 | 0.128 |
| Conch | 127 | 0.121 |
| French fries | 164 | 0.112 |