Foods high in cystine

Plain pork skins tops the list with 0.53 g per 100 g. Ranked from 4,715 everyday foods (not packaged products); dried spices, protein powders and regional specialties are left out.

1. 1Plain pork skinsSnacks0.53 g
2. 2Barbecue-flavor pork skinsSnacks0.51 g
3. 3Soy chips, saltedSnacks0.43 g
4. 4Snickers Marathon Protein Bar, Caramel NutSnacks0.33 g
5. 5Plain hard granola barsSnacks0.3 g
6. 6Smoked beef sticksSnacks0.29 g
7. 7Bagel chips, plainSnacks0.29 g
8. 8Pita chips, saltedSnacks0.29 g
9. 9Rice-based oriental mix snacksSnacks0.25 g
10. 10Snacks, pretzels, hard, whole-wheat including both salted and unsaltedSnacks0.25 g
11. 11Luna Bar, Nutz Over ChocolateSnacks0.25 g
12. 12Snickers Marathon Energy Bar, all flavorsSnacks0.24 g
13. 13Almond hard granola barsSnacks0.23 g
14. 14Hard chocolate chip granola barsSnacks0.22 g
15. 15Power Bar, chocolateSnacks0.22 g
16. 16Air-popped popcornSnacks0.22 g
17. 17Air-popped popcorn, unsaltedSnacks0.22 g
18. 18Trail mixSnacks0.22 g
19. 19Trail mix, regular, unsaltedSnacks0.22 g
20. 20Salted wheat-based sesame sticksSnacks0.2 g
21. 21Wheat sesame sticks, unsaltedSnacks0.2 g
22. 22Hard peanut butter granola barSnacks0.2 g
23. 23Hard pretzels, enriched flour, unsaltedSnacks0.2 g
24. 24Hard pretzels, plain, unenriched flour, saltedSnacks0.2 g
25. 25Hard pretzels, plain, unenriched flour, unsaltedSnacks0.2 g
26. 26Nature Valley granola bar with yogurt coatingSnacks0.19 g
27. 27Quaker Oatmeal To Go granola bars, all flavorsSnacks0.19 g
28. 28Snacks, trail mix, regular, with chocolate chips, salted nuts and seedsSnacks0.19 g
29. 29Trail mix, chocolate chips, unsalted nutsSnacks0.19 g
30. 30Microwave popcorn, 94% fat freeSnacks0.18 g
31. 31Raisin soft granola barsSnacks0.17 g
32. 32Hard pretzels, saltedSnacks0.17 g
33. 33Plain soft granola barsSnacks0.16 g
34. 34Microwave popcorn, oil-popped, regularSnacks0.16 g
35. 35Oil-popped white popcorn, saltedSnacks0.16 g
36. 36Soft nut and raisin granola barSnacks0.16 g
37. 37Cheese-flavored popcornSnacks0.16 g
38. 38Nature Valley Sweet & Salty Nut granola bar, peanutSnacks0.16 g
39. 39Microwave popcorn, butter flavor, palm oilSnacks0.16 g
40. 40Popcorn cakesSnacks0.16 g
41. 41Peanut butter soft granola barsSnacks0.15 g
42. 42Nature Valley Chewy Trail Mix barSnacks0.15 g
43. 43Slim-Fast Optima meal bar, milk chocolate peanutSnacks0.15 g
44. 44Chocolate-coated hard pretzelsSnacks0.15 g
45. 45Shrimp crackersSnacks0.15 g
46. 46Soft chocolate chip granola barSnacks0.14 g
47. 47Microwave popcorn, butter flavorSnacks0.14 g
48. 48Soft graham marshmallow granola barSnacks0.14 g
49. 49Reduced fat nacho-flavor tortilla chipsSnacks0.14 g
50. 50Cheese corn puffs, unenrichedSnacks0.14 g
51. 51Peanut butter and chocolate chip soft granola barsSnacks0.14 g
52. 52Brown rice and buckwheat rice cakesSnacks0.14 g
53. 53Brown rice and buckwheat cakes, unsaltedSnacks0.14 g
54. 54Almond crisped rice barSnacks0.14 g
55. 55Corn snacks, extruded, onion flavorSnacks0.13 g
56. 56Ranch tortilla chipsSnacks0.13 g
57. 57Sour cream and onion potato chipsSnacks0.13 g
58. 58Brown rice and rye rice cakesSnacks0.13 g
59. 59Taco-flavored tortilla chipsSnacks0.13 g
60. 60Nacho cheese tortilla chipsSnacks0.13 g
61. 61Nacho tortilla chips, enriched masaSnacks0.13 g
62. 62Corn cakesSnacks0.12 g
63. 63Corn cakes, very low sodiumSnacks0.12 g
64. 64Crisped rice bar, chocolate chipSnacks0.12 g
65. 65Milk chocolate coated soft granola bars, peanut butterSnacks0.12 g
66. 66SunChips Multigrain Snack, originalSnacks0.12 g
67. 67Barbecue corn chipsSnacks0.12 g
68. 68Barbecue corn chips, enriched masaSnacks0.12 g
69. 69Plain corn chipsSnacks0.12 g
70. 70Tropical trail mixSnacks0.12 g
71. 71Brown rice and corn rice cakesSnacks0.11 g
72. 72High fiber chewy bar, oats and chocolateSnacks0.11 g
73. 73Brown rice multigrain rice cakesSnacks0.11 g
74. 74Brown rice multigrain cakes, unsaltedSnacks0.11 g
75. 75Plain corn conesSnacks0.1 g
76. 76Cheese-flavored potato chipsSnacks0.1 g
77. 77Caramel popcorn with peanutsSnacks0.1 g
78. 78Brown rice chipsSnacks0.099 g
79. 79Brown rice cakes, unsaltedSnacks0.099 g
80. 80Plain brown rice crackersSnacks0.099 g
81. 81Quaker Dips granola barSnacks0.098 g
82. 82Brown rice cakes, sesame seedSnacks0.094 g
83. 83Brown rice cakes, sesame seed, unsaltedSnacks0.094 g
84. 84Reduced fat potato chipsSnacks0.092 g
85. 85Plain potato chips, saltedSnacks0.089 g
86. 86Plain potato chips, unsalted, hydrogenated oilSnacks0.089 g
87. 87Salted plain potato chipsSnacks0.089 g
88. 88Plain potato chips, unsaltedSnacks0.089 g
89. 89Cheese-flavored dried potato chipsSnacks0.081 g
90. 90Chocolate coated hard pretzelsSnacks0.08 g
91. 91Plain potato chips, made from dried potatoesSnacks0.076 g
92. 92Corn snacks, extruded, cheese flavorSnacks0.076 g
93. 93Sour cream and onion dried potato chipsSnacks0.076 g
94. 94Reduced-fat dried potato chipsSnacks0.073 g
95. 95Sweet potato chips, unsaltedSnacks0.067 g
96. 96Milk chocolate coated soft granola bars, chocolate chipSnacks0.063 g
97. 97Vegetable chips, made from garden vegetablesSnacks0.052 g
98. 98Taro chipsSnacks0.049 g
99. 99Banana chipsSnacks0.039 g
100. 100Caramel popcorn, without peanutsSnacks0.039 g

Source: USDA FoodData Central. Per serving uses each food's typical USDA portion. Daily Values are the FDA's for adults and children 4 years and older.