Amino Acid Protein Calculator

Enter foods to make sure you are getting all the essential amino acids.
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      Red Leaf Lettuce
      ×
      Green Leaf Lettuce
      ×
      Iceberg Lettuce
      ×
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      Quick Stats
      • Calories 19 1% DV
      • Protein 1.5g 3% DV
      • Carbs 3.8g 1% DV
      • Fat 0.2g 0% DV
      • Fiber 2g 6% DV
      • Sugar 2g 4% DV
      Amino Acid Bar Charts

      Total Recommended Daily Intake

      • Cystine 4% RDI 12mg
      • Histidine 3% RDI 20mg
      • Isoleucine 4% RDI 54mg
      • Leucine 2% RDI 66mg
      • Lysine 3% RDI 60mg
      • Methionine 2% RDI 14mg
      • Phenylalanine 6% RDI 55mg
      • Threonine 5% RDI 53mg
      • Tryptophan 6% RDI 16mg
      • Tyrosine 3% RDI 25mg
      • Valine 3% RDI 56mg
      Protein Comparison Table

      Table Legend

      1. Red Leaf Lettuce
      2. Green Leaf Lettuce
      3. Iceberg Lettuce
      -- = missing data
      Amino Acids
      Food # 1 2 3 Total
      Weight (g) 28 36 72 136
      Essential  
      Histidine (mg)
      (%RDI)
      5
      (1%)
      8
      (1%)
      6
      (1%)
      20
      (3%)
      Isoleucine (mg)
      (%RDI)
      11
      (1%)
      30
      (2%)
      13
      (1%)
      54
      (4%)
      Leucine (mg)
      (%RDI)
      20
      (1%)
      28
      (1%)
      18
      (1%)
      66
      (2%)
      Lysine (mg)
      (%RDI)
      13
      (1%)
      30
      (1%)
      17
      (1%)
      60
      (3%)
      Methionine (mg)
      (%RDI)
      4
      (1%)
      6
      (1%)
      4
      (0%)
      14
      (2%)
      Phenylalanine (mg)
      (%RDI)
      19
      (2%)
      20
      (2%)
      17
      (2%)
      55
      (6%)
      Threonine (mg)
      (%RDI)
      13
      (1%)
      21
      (2%)
      18
      (2%)
      53
      (5%)
      Tryptophan (mg)
      (%RDI)
      6
      (2%)
      3
      (1%)
      6
      (2%)
      16
      (6%)
      Valine (mg)
      (%RDI)
      13
      (1%)
      25
      (1%)
      17
      (1%)
      56
      (3%)
      Conditional  
      Arginine (mg) 11
      26
      11
      48
      Cystine (mg)
      (%RDI)
      3
      (1%)
      6
      (2%)
      4
      (1%)
      12
      (4%)
      Glycine (mg) 13
      21
      11
      45
      Proline (mg) 11
      17
      7
      35
      Tyrosine (mg)
      (%RDI)
      8
      (1%)
      12
      (1%)
      5
      (1%)
      25
      (3%)
      Non-Essential  
      Alanine (mg) 14
      20
      18
      52
      Aspartic acid (mg) 39
      51
      90
      180
      Betaine (mg) 0
      0
      0
      0
      Glutamic acid (mg) 43
      66
      140
      249
      Hydroxyproline (mg) --
      --
      --
      0
      Serine (mg) 12
      14
      18
      44
      Lysine to Arginine Ratio of All Selected Foods: 1.25
      Data Source
      Red Leaf Lettuce
      USDA Food Data Central Standard Release (Common)Omega-6 data was extrapolated from undifferentiated-Octadecadienoic Acid (18:2) acid.
      Green Leaf Lettuce
      USDA Food Data Central Standard Release (Common)Omega-6 data was extrapolated from undifferentiated-Octadecadienoic Acid (18:2) acid.Iodine data is obtained from the USDA Iodine database.
      Iceberg Lettuce
      USDA Food Data Central Standard Release (Common)Omega-6 data was extrapolated from undifferentiated-Octadecadienoic Acid (18:2) acid.Iodine data is obtained from the USDA Iodine database.