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Lysine Content of Foods

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Food NameLysineProteinScore
Butter, salted670.85155
Butter, whipped, with salt670.85155
Butter oil, anhydrous220.28154
Cheese, blue185221.40170
Cheese, brick212423.24179
Cheese, brie185120.75175
Cheese, camembert176619.80175
Cheese, caraway209525.18163
Cheese, cheddar207224.90163
Cheese, cheshire194523.37163
Cheese, colby197823.76163
Cheese, cottage, creamed, large or small curd93411.12165
Cheese, cottage, creamed, with fruit85910.69158
Cheese, cottage, nonfat, uncreamed, dry, large or small curd86810.34165
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Usage Note

  • Amino acid content is in milligrams, protein value in grams, and are measured per 100g of food weight.
  • Click on column header to sort foods by name or by column's content.
  • Amino-Acid Score:
    • The score is the ratio of the amino acid in the food's protein over the same amino acid in the reference protein expressed in percentage.
    • This score is for determining the limiting amino acid in a food item. A score below 100 indicates that a food's protein is incomplete. However, a score higher than 100 for a particular amino acid does not necessarily mean that a food's protein is complete. Scores of other essential amino acids of the food also have to be 100 or higher for its protein to be considered complete.
    • The limiting amino acid of a food is defined as the essential amino acid present in the lowest amount compared to a reference protein or to human requirements.

Amino Acids

Amino acids are organic compounds that combine to form proteins. When proteins are digested, amino acids are left. The human body requires a number of amino acids to grow and breakdown food.

Amino acids are classified into two groups: essential and nonessential amino acids.

  • Essential amino acids cannot be made by the body and must be supplied by food. These include leucine, lysine, tryptophan, etc. Sources of essential amino acids include milk, cheese, eggs, certain meats, vegetables, nuts, and grains.
  • Nonessential amino acids can be made by the body from the essential amino acids or normal breakdown of proteins. They include aspartic acid, glutamic acid, and glycine, etc.

Complete Protein

A complete protein (or whole protein) is a source of protein that contains an adequate proportion of all nine of the essential amino acids necessary for the dietary needs of humans or other animals. Some incomplete protein sources may contain all essential amino acids, but a complete protein contains them in correct proportions for supporting biological functions in the human body.

Lysine

Lysine is an essential amino acid in humans and other mammals.

Lysine is the limiting amino acid (the essential amino acid found in the smallest quantity in the particular foodstuff) in most cereal grains, but is plentiful in most legumes. Consequently, meals that combine cereal grains and legumes, such as the Indian dal with rice, Middle Eastern hummus, ful medames, falafel with pita bread, the Mexican beans with rice or tortilla have arisen to provide complete protein in diets that are, by choice or by necessity, vegetarian. A food is considered to have sufficient lysine if it has at least 51 mg of lysine per gram of protein (so that the protein is 5.1% lysine).

Use of Lysine

Herpes Simplex Management: Some studies have found that consuming lysine on a regular basis may help prevent outbreaks of cold sores and genital herpes. Lysine has antiviral effects by blocking the activity or arginine, which promotes HSV replication.

Osteoporosis: Lysine helps the body absorb calcium and decreases the amount of calcium that is lost in urine. Because calcium is crucial for bone health, some researchers think lysine may help prevent bone loss associated with osteoporosis.

Our Protein and Amino Acid Online Databases

See our most complete directory of Protein and Amino Acid Online Databases with nutrient databases from the US, UK, Canada, France, Italy, Sweden, Switzerland, etc.

Lysine Food Sources

List of 120 foods highest in lysine. Lysine content is in grams per 100 grams of food weight.



Foods Rich in Lysine Lysine (g)

Seal, bearded (Oogruk), meat, dried (Alaska Native) 6.690

Whale, beluga, meat, dried (Alaska Native) 6.313

Fish, cod, Atlantic, dried and salted 5.769

Egg, white, dried 5.515

Soy protein isolate, PROTEIN TECHNOLOGIES INTERNATIONAL, SUPRO 5.500

Soy protein isolate, PROTEIN TECHNOLOGIES INTERNATIONAL, ProPlus 5.400

Soy protein isolate 5.327

Soy protein isolate, potassium type 5.327

Soy protein isolate, potassium type, crude protein basis 5.327

Egg, white, dried, powder, glucose reduced 5.076

Seal, bearded (Oogruk), meat, partially dried (Alaska Native) 5.052

Fish, whitefish, dried (Alaska Native) 4.770

Egg, white, dried, flakes, glucose reduced 4.738

Soy protein concentrate, produced by alcohol extraction 3.929

Soy protein concentrate, produced by acid wash 3.929

Soy protein concentrate, crude protein basis (N x 6.25), produced by acid wash 3.929

Egg Mix, USDA Commodity 3.909

Cheese, parmesan, shredded 3.843

Smelt, dried (Alaska Native) 3.690

Beef, loin, top sirloin filet, boneless, separable lean only, trimmed to 0" fat, select, cooked, grilled 3.551

Beef, plate steak, boneless, inside skirt, separable lean only, trimmed to 0" fat, select, cooked, grilled 3.535

Gelatins, dry powder, unsweetened 3.460

Beef, top loin filet, boneless, separable lean only, trimmed to 1/8" fat, select, cooked, grilled 3.443

Egg, whole, dried 3.402

Beef, loin, top sirloin petite roast, boneless, separable lean only, trimmed to 0" fat, select, cooked, 3.386

Beef, rib, back ribs, bone-in, separable lean only, trimmed to 0" fat, select, cooked, braised 3.377

Beef, rib eye steak, boneless, lip-on, separable lean only, trimmed to 1/8" fat, select, cooked, grilled 3.343

Beef, rib eye steak, boneless, lip off, separable lean only, trimmed to 0" fat, select, cooked, grilled 3.343

Beef, rib eye roast, boneless, lip-on, separable lean only, trimmed to 1/8" fat, select, cooked, roasted 3.313


Foods Rich in Lysine Lysine (g)

Cheese, parmesan, hard 3.306

Beef, plate steak, boneless, outside skirt, separable lean only, trimmed to 0" fat, select, cooked, grilled 3.305

Beef, top loin petite roast, boneless, separable lean only, trimmed to 1/8" fat, select, cooked, roasted 3.286

Leavening agents, yeast, baker's, active dry 3.280

Beef, ribeye petite roast, boneless, separable lean only, trimmed to 0" fat, select, cooked, roasted 3.273

Beef, loin, top sirloin cap steak, boneless, separable lean only, trimmed to 1/8" fat, select, cooked, 3.271

Chicken, broilers or fryers, breast, meat only, cooked, rotisserie, original seasoning 3.257

Egg, whole, dried, stabilized, glucose reduced 3.252

Game meat, beaver, cooked, roasted 3.240

Beef, rib eye steak, bone-in, lip-on, separable lean only, trimmed to 1/8" fat, select, cooked, grilled 3.225

Beef, loin, top sirloin filet, boneless, separable lean only, trimmed to 0" fat, all grades, cooked, grilled 3.214

Pork, cured, bacon, cooked, microwaved 3.204

Beef, ribeye filet, boneless, separable lean only, trimmed to 0" fat, select, cooked, grilled 3.194

Pork, cured, bacon, cooked, broiled, pan-fried or roasted 3.180

Pork, cured, bacon, cooked, pan-fried 3.180

Tofu, dried-frozen (koyadofu) 3.157

Tofu, dried-frozen (koyadofu), prepared with calcium sulfate 3.157

Beef, plate steak, boneless, inside skirt, separable lean only, trimmed to 0" fat, all grades, cooked, 3.152

Lamb, domestic, shoulder, arm, separable lean only, trimmed to 1/4" fat, choice, cooked, braised 3.138

Game meat, bison, chuck, shoulder clod, separable lean only, 3-5 lb roast, cooked, braised 3.134

Soy flour, defatted 3.129

Soy flour, defatted, crude protein basis (N x 6.25) 3.129

Beef, rib eye roast, bone-in, lip-on, separable lean only, trimmed to 1/8" fat, select, cooked, roasted 3.118

Parsley, freeze-dried 3.115

Soy flour, low-fat, crude protein basis (N x 6.25) 3.097

Beef, top loin filet, boneless, separable lean only, trimmed to 1/8" fat, all grades, cooked, grilled 3.083

Pork, cured, bacon, cooked, broiled, pan-fried or roasted, reduced sodium 3.072

Beef, loin, top sirloin petite roast, boneless, separable lean only, trimmed to 0" fat, all grades, cooked, 3.061

roasted

Beef, round, top round, separable lean only, trimmed to 0" fat, all grades, cooked, braised 3.053

Beef, loin, top sirloin filet, boneless, separable lean only, trimmed to 0" fat, choice, cooked, grilled 3.036



Foods High in Lysine Lysine (g)

Veal, leg (top round), separable lean only, cooked, braised 3.025

Seaweed, spirulina, dried 3.025

Beef, ribeye filet, boneless, separable lean only, trimmed to 0" fat, all grades, cooked, grilled 3.024

Lamb, Australian, imported, fresh, shoulder, arm, separable lean only, trimmed to 1/8" fat, cooked, 3.018

braised

Beef, chuck, mock tender steak, boneless, separable lean only, trimmed to 0" fat, choice, cooked, 3.018

Beef, round, top round, separable lean and fat, trimmed to 0" fat, all grades, cooked, braised 3.010

Lamb, New Zealand, imported, frozen, shoulder, whole (arm and blade), separable lean only, cooked, 3.007

braised

Beef, round, top round, separable lean only, trimmed to 0" fat, choice, cooked, braised 3.006

Beef, round, top round, separable lean only, trimmed to 0" fat, select, cooked, braised 3.006

Mutton, cooked, roasted (Navajo) 2.999

Beef, chuck, mock tender steak, boneless, separable lean only, trimmed to 0" fat, all grades, cooked, 2.997

braised

Soy meal, defatted, raw, crude protein basis (N x 6.25) 2.991

Soy meal, defatted, raw 2.991

Beef, rib, back ribs, bone-in, separable lean only, trimmed to 0" fat, all grades, cooked, braised 2.981

Veal, leg (top round), separable lean and fat, cooked, braised 2.980

Cheese, parmesan, grated 2.980

Beef, top loin petite roast, boneless, separable lean only, trimmed to 1/8" fat, all grades, cooked, 2.978

Lamb, domestic, cubed for stew or kabob (leg and shoulder), separable lean only, trimmed to 1/4" fat, 2.975

cooked, braised

Beef, plate steak, boneless, inside skirt, separable lean and fat, trimmed to 0" fat, select, cooked, grilled 2.973

Beef, loin, top sirloin cap steak, boneless, separable lean only, trimmed to 1/8" fat, all grades, cooked, 2.970

grilled

Beef, rib eye roast, boneless, lip-on, separable lean only, trimmed to 1/8" fat, all grades, cooked, 2.965

Beef, chuck, mock tender steak, boneless, separable lean only, trimmed to 0" fat, select, cooked, 2.965

Pork, cured, bacon, cooked, baked 2.964

Chicken, broilers or fryers, breast, meat and skin, cooked, rotisserie, original seasoning 2.963

Beef, round, top round, separable lean and fat, trimmed to 0" fat, choice, cooked, braised 2.963

Beef, round, top round, separable lean and fat, trimmed to 0" fat, select, cooked, braised 2.963

Beef, ribeye petite roast, boneless, separable lean only, trimmed to 0" fat, all grades, cooked, roasted 2.959

Beef, rib eye steak, boneless, lip off, separable lean only, trimmed to 0" fat, all grades, cooked, grilled 2.955


Foods High in Lysine Lysine (g)

Beef, round, bottom round, steak, separable lean only, trimmed to 0" fat, select, cooked, braised 2.952

CRACKER BARREL, grilled sirloin steak 2.949

Beef, plate steak, boneless, inside skirt, separable lean only, trimmed to 0" fat, choice, cooked, grilled 2.948

Veal, shoulder, arm, separable lean only, cooked, braised 2.944

Cheese, romano 2.941

Beef, rib eye steak, boneless, lip-on, separable lean only, trimmed to 1/8" fat, all grades, cooked, grilled 2.940

Beef, chuck, arm pot roast, separable lean only, trimmed to 1/8" fat, choice, cooked, braised 2.934

Mollusks, whelk, unspecified, cooked, moist heat 2.930

Beef, chuck, arm pot roast, separable lean only, trimmed to 1/8" fat, all grades, cooked, braised 2.929

Beef, chuck, arm pot roast, separable lean only, trimmed to 1/8" fat, select, cooked, braised 2.924

Beef, chuck for stew, separable lean and fat, choice, cooked, braised 2.923

Beef, ribeye cap steak, boneless, separable lean only, trimmed to 0" fat, select, cooked, grilled 2.916

Beef, chuck for stew, separable lean and fat, all grades, cooked, braised 2.916

Game meat, deer, shoulder clod, separable lean only, 3-5 lb roast, cooked, braised 2.914

Beef, round, bottom round, steak, separable lean only, trimmed to 1/8" fat, select, cooked, braised 2.912

Beef, plate steak, boneless, outside skirt, separable lean only, trimmed to 0" fat, all grades, cooked, 2.909

Turkey, fryer-roasters, wing, meat only, cooked, roasted 2.907

Beef, round, bottom round, steak, separable lean and fat, trimmed to 0" fat, select, cooked, braised 2.906

Beef, chuck for stew, separable lean and fat, select, cooked, braised 2.905

Beef, round, bottom round, steak, separable lean only, trimmed to 1/8" fat, all grades, cooked, braised 2.902

Lamb, domestic, shoulder, whole (arm and blade), separable lean only, trimmed to 1/4" fat, choice, 2.897

cooked, braised

Beef, round, bottom round, steak, separable lean only, trimmed to 1/8" fat, choice, cooked, braised 2.892

Game meat, rabbit, wild, cooked, stewed 2.891

Beef, top loin filet, boneless, separable lean only, trimmed to 1/8" fat, choice, cooked, grilled 2.891

Beef, loin, top sirloin petite roast, boneless, separable lean only, trimmed to 0" fat, choice, cooked, 2.889

Beef, chuck eye Country-Style ribs, boneless, separable lean only, trimmed to 0" fat, select, cooked, 2.888

Beef, rib eye steak, bone-in, lip-on, separable lean only, trimmed to 1/8" fat, all grades, cooked, grilled 2.880

Beef, chuck, under blade steak, boneless, separable lean only, trimmed to 0" fat, select, cooked, braised 2.880

Veal, cubed for stew (leg and shoulder), separable lean only, cooked, braised 2.879

Beef, loin, bottom sirloin butt, tri-tip steak, separable lean only, trimmed 0" fat, all grades, cooked, 2.879

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