Amino Acid Protein Calculator

Enter foods to make sure you are getting all the essential amino acids.
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      Romaine Lettuce
      ×
      Green Leaf Lettuce
      ×
      Collards
      ×
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      Number of Servings:
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      Quick Stats
      • Calories 25 1% DV
      • Protein 2.2g 4% DV
      • Carbs 4.5g 2% DV
      • Fat 0.4g 1% DV
      • Fiber 3g 10% DV
      • Sugar 1g 2% DV
      Amino Acid Bar Charts

      Total Recommended Daily Intake

      • Cystine 6% RDI 18mg
      • Histidine 5% RDI 35mg
      • Isoleucine 6% RDI 87mg
      • Leucine 4% RDI 119mg
      • Lysine 5% RDI 102mg
      • Methionine 3% RDI 25mg
      • Phenylalanine 9% RDI 82mg
      • Threonine 7% RDI 72mg
      • Tryptophan 7% RDI 19mg
      • Tyrosine 5% RDI 47mg
      • Valine 5% RDI 94mg
      Protein Comparison Table

      Table Legend

      1. Romaine Lettuce
      2. Green Leaf Lettuce
      3. Collards
      -- = missing data
      Amino Acids
      Food # 1 2 3 Total
      Weight (g) 47 36 36 119
      Essential  
      Histidine (mg)
      (%RDI)
      10
      (1%)
      8
      (1%)
      17
      (2%)
      35
      (5%)
      Isoleucine (mg)
      (%RDI)
      21
      (2%)
      30
      (2%)
      36
      (3%)
      87
      (6%)
      Leucine (mg)
      (%RDI)
      36
      (1%)
      28
      (1%)
      54
      (2%)
      119
      (4%)
      Lysine (mg)
      (%RDI)
      30
      (1%)
      30
      (1%)
      42
      (2%)
      102
      (5%)
      Methionine (mg)
      (%RDI)
      7
      (1%)
      6
      (1%)
      12
      (2%)
      25
      (3%)
      Phenylalanine (mg)
      (%RDI)
      31
      (3%)
      20
      (2%)
      31
      (4%)
      82
      (9%)
      Threonine (mg)
      (%RDI)
      20
      (2%)
      21
      (2%)
      31
      (3%)
      72
      (7%)
      Tryptophan (mg)
      (%RDI)
      5
      (2%)
      3
      (1%)
      11
      (4%)
      19
      (7%)
      Valine (mg)
      (%RDI)
      26
      (1%)
      25
      (1%)
      43
      (2%)
      94
      (5%)
      Conditional  
      Arginine (mg) 25
      26
      45
      96
      Cystine (mg)
      (%RDI)
      3
      (1%)
      6
      (2%)
      9
      (3%)
      18
      (6%)
      Glycine (mg) 23
      21
      34
      77
      Proline (mg) 21
      17
      38
      76
      Tyrosine (mg)
      (%RDI)
      12
      (1%)
      12
      (1%)
      24
      (3%)
      47
      (5%)
      Non-Essential  
      Alanine (mg) 26
      20
      38
      84
      Aspartic acid (mg) 65
      51
      67
      184
      Betaine (mg) 0
      0
      0
      0
      Glutamic acid (mg) 84
      66
      73
      223
      Hydroxyproline (mg) --
      --
      --
      0
      Serine (mg) 24
      14
      28
      66
      Lysine to Arginine Ratio of All Selected Foods: 1.06
      Data Source
      Romaine 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.
      Collards
      USDA Food Data Central Standard Release (Common)Omega-6 data was extrapolated from undifferentiated-Octadecadienoic Acid (18:2) acid.