Top foods ranked by Cystine content per 100 g. Data from USDA FoodData Central.
| # | Food | Per 100 g | Category | |
|---|---|---|---|---|
| 1 | Queso Seco | 0.2 g | Dairy and Egg Products | |
| 2 | Queso Seco | 0.2 g | Dairy and Egg Products | |
| 3 | Raw Pollock | 0.1 g | Finfish and Shellfish Products | |
| 4 | Chinese Sweet and Sour Pork | 0.1 g | Restaurant Foods | |
| 5 | Chinese Sweet and Sour Pork | 0.1 g | Restaurant Foods | |
| 6 | Nonfat Greek Yogurt, Plain | 0.1 g | Dairy and Egg Products | |
| 7 | Yellow Prepared Mustard | 0.1 g | Spices and Herbs | |
| 8 | Bean Pupusas (Pupusas con Frijoles) | 0.1 g | Restaurant Foods | |
| 9 | Pork Tamale | 0.1 g | Restaurant Foods | |
| 10 | Frozen Carrots | 0.0 g | Vegetables and Vegetable Products | |
| 11 | Frozen Carrots | 0.0 g | Vegetables and Vegetable Products | |
| 12 | Dried Figs | 0.0 g | Fruits and Fruit Juices | |
| 13 | Dried Figs | 0.0 g | Fruits and Fruit Juices | |
| 14 | Raw Broccoli | 0.0 g | Vegetables and Vegetable Products | |
| 15 | Raw Green Kiwifruit | 0.0 g | Fruits and Fruit Juices | |
| 16 | Raw Broccoli | 0.0 g | Vegetables and Vegetable Products | |
| 17 | Raw Yellow Peaches | 0.0 g | Fruits and Fruit Juices | |
| 18 | Raw Navel Oranges | 0.0 g | Fruits and Fruit Juices | |
| 19 | Raw Navel Oranges | 0.0 g | Fruits and Fruit Juices | |
| 20 | Raw Romaine Lettuce | 0.0 g | Vegetables and Vegetable Products | |
| 21 | Raw Romaine Lettuce | 0.0 g | Vegetables and Vegetable Products | |
| 22 | Raw Nectarines | 0.0 g | Fruits and Fruit Juices | |
| 23 | Raw Cantaloupe | 0.0 g | Fruits and Fruit Juices | |
| 24 | Raw Bartlett Pear | 0.0 g | Fruits and Fruit Juices | |
| 25 | Raw Cantaloupe | 0.0 g | Fruits and Fruit Juices | |
| 26 | Raw Bartlett Pear | 0.0 g | Fruits and Fruit Juices | |
| 27 | Raw Strawberries | 0.0 g | Fruits and Fruit Juices | |
| 28 | Raw Strawberries | 0.0 g | Fruits and Fruit Juices |