rationTracker

Foods High in Cystine

Cystine is formed from two linked cysteine molecules and contributes to protein structure, including in hair and skin.

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Key takeaways

  • Seeds Cottonseed Meal has the most cystine per 100 g among whole foods, at 1.29 g.
  • Per 100 calories, Egg White ranks first at 0.58 g.

Top sources per 100 grams

The most concentrated sources by weight. Fortified products, supplements, and spices are excluded so the ranking reflects commonly eaten foods.

  1. 1Seeds Cottonseed Meal1.29 g / 100 g
  2. 2Seeds Cottonseed Flour1.19 g / 100 g
  3. 3Egg Stabilized1.15 g / 100 g
  4. 6Seeds Sesame Flour0.82 g / 100 g
  5. 7Soy Flour Defatted0.76 g / 100 g
  6. 9Seeds Hemp Seed0.67 g / 100 g
  7. 10Peanut Flour Defatted0.67 g / 100 g
  8. 11Soy Flour Full-Fat0.56 g / 100 g
  9. 12Beef Spleen0.53 g / 100 g
  10. 13Nuts Butternuts0.48 g / 100 g
  11. 14Wheat Germ Crude0.46 g / 100 g
  12. 15Fish Caviar0.45 g / 100 g
  13. 17Game Meat Buffalo0.43 g / 100 g
  14. 18Peanut Flour Low Fat0.43 g / 100 g
  15. 19Seeds Chia Seeds0.41 g / 100 g
  16. 20Oats0.41 g / 100 g
  17. 21Wheat Hard Red Spring0.4 g / 100 g
  18. 22Pork Liver0.4 g / 100 g
  19. 23Fish Roe0.39 g / 100 g
  20. 25Game Meat Horse0.39 g / 100 g

Top sources per 100 calories

The same catalog ranked by nutrient density per calorie, which is useful when working within a calorie budget.

  1. 1Egg White0.58 g / 100 kcal
  2. 2Beef Spleen0.5 g / 100 kcal
  3. 3Egg Substitute Or0.48 g / 100 kcal
  4. 4Pork Kidneys0.36 g / 100 kcal
  5. 5Seeds Cottonseed Meal0.35 g / 100 kcal
  6. 6Seeds Cottonseed Flour0.34 g / 100 kcal
  7. 7Game Meat Buffalo0.33 g / 100 kcal
  8. 8Lentils Sprouted0.32 g / 100 kcal
  9. 9Quail Breast0.32 g / 100 kcal
  10. 10Fish Halibut0.31 g / 100 kcal
  11. 11Pork Liver0.3 g / 100 kcal
  12. 12Seaweed Laver0.29 g / 100 kcal
  13. 13Chicken Breast Fat-Free0.29 g / 100 kcal
  14. 14Chicken Breast Oven-Roasted0.29 g / 100 kcal
  15. 15Seeds Sunflower Seed Flour0.29 g / 100 kcal
  16. 16Beef Liver0.28 g / 100 kcal
  17. 17Lamb Lungs0.28 g / 100 kcal
  18. 18Mollusks Cuttlefish0.27 g / 100 kcal
  19. 19Fish Haddock0.27 g / 100 kcal
  20. 20Veal Liver0.27 g / 100 kcal
  21. 21Fish Roe0.27 g / 100 kcal
  22. 22Beef Lungs0.27 g / 100 kcal
  23. 23Seaweed Spirulina0.26 g / 100 kcal
  24. 24Pork Heart0.26 g / 100 kcal
  25. 25Elk Free Range0.26 g / 100 kcal

Food values compiled from public nutrition databases and published research. Rankings exclude fortified products and supplements to reflect whole foods.