Cystine Foods high in cystine and how much you need · Amino acids

Q: What does cystine do for the body?

Cystine is an amino acid that plays a vital role in forming proteins.

Q: How much cystine do I need?

No recommended dietary allowances (RDA) are established for non-essential amino acids, as they can be synthesized by the body. However, it is important to consume adequate amounts of protein-containing foods to ensure sufficient overall protein intake. This ensures that the body has the necessary building blocks to produce non-essential amino acids as needed.

Q: How do vegans get cystine?

Vegans can obtain non-essential amino acids by consuming a variety of plant-based protein sources. While non-essential amino acids can be synthesized by the body, it is still crucial to ensure adequate protein intake to provide the necessary building blocks. Plant-based foods such as legumes, lentils, tofu, tempeh, quinoa, nuts, seeds, and whole grains are excellent sources of protein for vegans. By including a diverse range of these protein-rich foods in their diet, vegans can meet their protein needs and ensure their bodies have enough building blocks to synthesize non-essential amino acids effectively.

Cystine is a non-essential amino acid, which means that the body can produce it on its own. It is formed from two molecules of the amino acid cysteine and plays a key role in protein structure and function.

Women, a day: 0.7 g
Men, a day: 0.7 g
Give 20%+ of a day per serving: 344 foods · 37 plant

Daily intake for healthy adults. For a lightly active 30-year-old: a 65 kg woman and an 80 kg man.

Among plant foods, macaroni, seitan and pulled oats have the most cystine per serving. Among animal foods, the most are in beef, spleen; lutefish and egg white powder.

Plant sources

Also high in it

Are you getting enough cystine?

Knowing where cystine comes from is one part of the puzzle. Nutriely adds it up across your day against your own targets, shows which foods it came from and how it fits with every other nutrient.

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Foods highest in cystine

Ranked from 925 foods in our catalog, one entry per food. % of daily is for a healthy adult.

1

Beef, spleen, cooked, braised 0.62 g

serving (85 g) · Offal dishes 88% of daily
2

Whey protein concentrate (75%) 0.53 g

scoop (28.7 g) · Miscellaneous ingredients 76% of daily
3

Macaroni, boiled 0.51 g

serving (140 g) · Pasta 73% of daily
4

Spaghetti, boiled 0.51 g

serving (140 g) · Pasta 73% of daily
5

Pork, kidneys, cooked, braised 0.47 g

serving (85 g) · Offal dishes 68% of daily
6

Chicken strips 0.46 g

medium portion (200 g) · Chicken and other birds 65% of daily
7

Liver, boiled 0.45 g

serving (85 g) · Offal dishes 64% of daily
8

Pheasant, cooked, total edible 0.37 g

serving (85 g) · Chicken and other birds 53% of daily
9

Water buffalo, cooked, roasted 0.36 g

serving (85 g) · Steaks and chops 52% of daily
10

Chicken breast, fried 0.36 g

serving (85 g) · Chicken and other birds 52% of daily
11

Lutefish 0.36 g

serving (85 g) · Fish 52% of daily
12

Rabbit, wild, cooked, stewed 0.35 g

serving (85 g) · Steaks and chops 50% of daily
13

Horse, cooked, roasted 0.33 g

serving (85 g) · Steaks and chops 48% of daily
14

Seitan 0.31 g

serving (85 g) · Miscellaneous ingredients 44% of daily
15

Pulled oats 0.29 g

serving (40 g) · Pulse products 41% of daily
16

Perch 0.29 g

serving (110 g) · Fish 41% of daily
17

Mollusks, clam, mixed species, cooked, moist heat 0.28 g

serving (85 g) · Crustaceans and molluscs 41% of daily
18

Tuna 0.28 g

serving (110 g) · Fish 39% of daily
19

Shrimp 0.26 g

serving (110 g) · Crustaceans and molluscs 38% of daily
20

Squid 0.26 g

serving (110 g) · Crustaceans and molluscs 37% of daily
21

Cottonseed kernel, roasted (glandless) 0.26 g

serving (30 g) · Nuts, seeds and dried fruits 37% of daily
22

Pea, green, split, mature seeds 0.25 g

serving (90 g) · Pulses 35% of daily
23

Soy protein concentrate, 58% protein 0.24 g

serving (30 g) · Miscellaneous ingredients 35% of daily
24

Soy bean, boiled 0.24 g

serving (90 g) · Pulses 34% of daily
25

Pork and beef, canned 0.23 g

serving (85 g) · Meat products 33% of daily
26

Salami, light, 15% fat 0.22 g

serving (55 g) · Cold cuts, sausages 31% of daily
27

Bean, yellow, mature 0.22 g

serving (90 g) · Pulses 31% of daily
28

Rice, wholegrain, boiled 0.2 g

serving (140 g) · Rice 29% of daily
29

Hemp seed, without hull 0.2 g

serving (30 g) · Nuts, seeds and dried fruits 29% of daily
30

Seeds, cottonseed flour, low fat (glandless) 0.2 g

serving (15 g) · Flour 28% of daily
31

Pasta, wheat germ pasta 0.19 g

serving (55 g) · Pasta 28% of daily
32

Redfish, rosefish, frozen 0.19 g

serving (110 g) · Fish products 28% of daily
33

Salmon in oil, canned 0.19 g

serving (85 g) · Fish products 26% of daily
34

Chia seed 0.17 g

serving (30 g) · Nuts, seeds and dried fruits 24% of daily
35

Wheat whole, boiled 0.17 g

serving (140 g) · Rice 24% of daily
36

Egg white powder 0.16 g

tbsp (7 g) · Egg 23% of daily
37

Chicken nuggets, deep-fried, lactose-free 0.16 g

serving (85 g) · Poultry dishes 23% of daily
38

Egg, organic, boiled 0.16 g

large (50 g) · Egg 23% of daily
39

Herring, salted 0.15 g

serving (85 g) · Fish products 22% of daily
40

Cheese, hard cheese, edam type, 24-27% fat 0.15 g

serving (55 g) · Cheese, ripened cheese 21% of daily
41

Skyr, <0.5% fat 0.14 g

serving (170 g) · Quark 20% of daily
42

Flour, oat flour 0.14 g

serving (30 g) · Flour 20% of daily
43

Tofu (without calcium sulfate) 0.14 g

block (85 g) · Pulse products 20% of daily
44

Corn grain, dried (maize) 0.14 g

serving (30 g) · Flour 20% of daily
45

Egg white, fried 0.13 g

large (46 g) · Egg 19% of daily
46

Tahini, sesami seed butter 0.13 g

serving (30 g) · Condiments 19% of daily
47

Bulgur 0.13 g

serving (45 g) · Rice 18% of daily
48

Broad bean, fava bean, dried 0.12 g

serving (35 g) · Pulse products 18% of daily
49

Turkey cold cuts 0.11 g

serving (55 g) · Cold cuts, meat 16% of daily
50

Wheat tortilla 0.1 g

serving (55 g) · Sandwiches and burgers 15% of daily

1

Macaroni, boiled 0.51 g

serving (140 g) · Pasta 73% of daily
2

Spaghetti, boiled 0.51 g

serving (140 g) · Pasta 73% of daily
3

Seitan 0.31 g

serving (85 g) · Miscellaneous ingredients 44% of daily
4

Pulled oats 0.29 g

serving (40 g) · Pulse products 41% of daily
5

Cottonseed kernel, roasted (glandless) 0.26 g

serving (30 g) · Nuts, seeds and dried fruits 37% of daily
6

Pea, green, split, mature seeds 0.25 g

serving (90 g) · Pulses 35% of daily
7

Soy protein concentrate, 58% protein 0.24 g

serving (30 g) · Miscellaneous ingredients 35% of daily
8

Soy bean, boiled 0.24 g

serving (90 g) · Pulses 34% of daily
9

Bean, yellow, mature 0.22 g

serving (90 g) · Pulses 31% of daily
10

Rice, wholegrain, boiled 0.2 g

serving (140 g) · Rice 29% of daily
11

Hemp seed, without hull 0.2 g

serving (30 g) · Nuts, seeds and dried fruits 29% of daily
12

Seeds, cottonseed flour, low fat (glandless) 0.2 g

serving (15 g) · Flour 28% of daily
13

Pasta, wheat germ pasta 0.19 g

serving (55 g) · Pasta 28% of daily
14

Chia seed 0.17 g

serving (30 g) · Nuts, seeds and dried fruits 24% of daily
15

Wheat whole, boiled 0.17 g

serving (140 g) · Rice 24% of daily
16

Tempeh 0.15 g

serving (85 g) · Miscellaneous ingredients 21% of daily
17

Flour, oat flour 0.14 g

serving (30 g) · Flour 20% of daily
18

Tofu (without calcium sulfate) 0.14 g

block (85 g) · Pulse products 20% of daily
19

Corn grain, dried (maize) 0.14 g

serving (30 g) · Flour 20% of daily
20

Tahini, sesami seed butter 0.13 g

serving (30 g) · Condiments 19% of daily
21

Bulgur 0.13 g

serving (45 g) · Rice 18% of daily
22

Broad bean, fava bean, dried 0.12 g

serving (35 g) · Pulse products 18% of daily
23

Coconut milk 0.1 g

serving (240 g) · Vegetable juices 14% of daily
24

Peanut butter 0.09 g

serving (32 g) · Condiments 13% of daily
25

Soya drink, calcium 0.07 g

cup (243 g) · Vegetable juices 10% of daily
26

Almond butter 0.07 g

serving (32 g) · Condiments 10% of daily
27

Rice cooking cream 0.06 g

serving (240 g) · Cream 9% of daily
28

Carrot, boiled, salt 0.06 g

serving (85 g) · Cooked vegetables 8% of daily
29

Taro leaves 0.05 g

serving (85 g) · Vegetables 8% of daily
30

Popcorn, cooking oil 0.05 g

serving (30 g) · Savoury snacks 7% of daily
31

Nettle, stinging nettle 0.05 g

serving (85 g) · Vegetables 7% of daily
32

Broccoli, boiled 0.04 g

serving (85 g) · Cooked vegetables 6% of daily
33

Potato, peeled 0.04 g

serving (110 g) · Cooked potatoes 6% of daily
34

French fries, oven-baked 0.04 g

serving (70 g) · Fried potatoes, French fries 6% of daily
35

Seaweed, wakame, dried 0.04 g

serving (30 g) · Canned vegetables 6% of daily
36

Asparagus, boiled 0.03 g

serving (85 g) · Cooked vegetables 5% of daily
37

Kiwi, without skin 0.03 g

serving (140 g) · Fruits 4% of daily
38

Plantains, yellow, baked 0.03 g

serving (140 g) · Fruit and berry dishes other than pies 4% of daily
39

Taro 0.03 g

serving (85 g) · Vegetables 4% of daily
40

Date, deglet noor 0.03 g

serving (40 g) · Fruits 4% of daily
41

Groundcherry 0.03 g

cup (140 g) · Berries 4% of daily
42

Jackfruit 0.02 g

serving (140 g) · Fruits 3% of daily
43

Currant, zante 0.02 g

serving (40 g) · Berries 3% of daily
44

Elderberry 0.02 g

serving (140 g) · Berries 3% of daily
45

Barley malt syrup 0.02 g

serving (30 g) · Sugar and syrups 3% of daily
46

Sweet pepper, red, canned 0.02 g

serving (130 g) · Canned vegetables 3% of daily
47

Passion-fruit juice, yellow 0.02 g

serving (240 g) · Juices 2% of daily
48

Bamboo shoots, canned 0.02 g

serving (130 g) · Canned vegetables 2% of daily
49

Lingonberry juice 0.02 g

serving (240 g) · Juices 2% of daily
50

Shiitake mushroom, raw 0.02 g

serving (85 g) · Mushroom 2% of daily

Learn about cystine

What does cystine do for the body?

Cystine is an amino acid that plays a vital role in forming proteins.

How much cystine do I need?

No recommended dietary allowances (RDA) are established for non-essential amino acids, as they can be synthesized by the body. However, it is important to consume adequate amounts of protein-containing foods to ensure sufficient overall protein intake. This ensures that the body has the necessary building blocks to produce non-essential amino acids as needed.

How do vegans get cystine?

Vegans can obtain non-essential amino acids by consuming a variety of plant-based protein sources. While non-essential amino acids can be synthesized by the body, it is still crucial to ensure adequate protein intake to provide the necessary building blocks. Plant-based foods such as legumes, lentils, tofu, tempeh, quinoa, nuts, seeds, and whole grains are excellent sources of protein for vegans. By including a diverse range of these protein-rich foods in their diet, vegans can meet their protein needs and ensure their bodies have enough building blocks to synthesize non-essential amino acids effectively.

How much cystine do you need?

Enter your details for your own daily value.

Sex Age

Weight

kg or lbs

Height

cm or ft in

Activity

Your daily cystine

0.7 g

An estimate for healthy adults. Pregnancy, breastfeeding and medical conditions change what you need.

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