Amino Acid Protein Calculator

Enter foods to make sure you are getting all the essential amino acids.
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      California Grapefruit
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      Quick Stats
      • Calories 85 4% DV
      • Protein 1.2g 2% DV
      • Carbs 22g 7% DV
      • Fat 0.2g 0% DV
      • Fiber 0g 0% DV
      • Sugar 0g 0% DV
      Amino Acid Bar Charts

      Total Recommended Daily Intake

      • Cystine 4% RDI 12mg
      • Histidine 2% RDI 12mg
      • Isoleucine 1% RDI 12mg
      • Leucine 1% RDI 21mg
      • Lysine 1% RDI 28mg
      • Methionine 2% RDI 12mg
      • Phenylalanine 8% RDI 69mg
      • Threonine 2% RDI 21mg
      • Tryptophan 4% RDI 12mg
      • Tyrosine 1% RDI 12mg
      • Valine 1% RDI 23mg
      Protein Comparison Table

      Table Legend

      1. California Grapefruit
      -- = missing data
      Amino Acids
      Food # 1 Total
      Weight (g) 230 230
      Essential  
      Histidine (mg)
      (%RDI)
      12
      (2%)
      12
      (2%)
      Isoleucine (mg)
      (%RDI)
      12
      (1%)
      12
      (1%)
      Leucine (mg)
      (%RDI)
      21
      (1%)
      21
      (1%)
      Lysine (mg)
      (%RDI)
      28
      (1%)
      28
      (1%)
      Methionine (mg)
      (%RDI)
      12
      (2%)
      12
      (2%)
      Phenylalanine (mg)
      (%RDI)
      69
      (8%)
      69
      (8%)
      Threonine (mg)
      (%RDI)
      21
      (2%)
      21
      (2%)
      Tryptophan (mg)
      (%RDI)
      12
      (4%)
      12
      (4%)
      Valine (mg)
      (%RDI)
      23
      (1%)
      23
      (1%)
      Conditional  
      Arginine (mg) 129
      129
      Cystine (mg)
      (%RDI)
      12
      (4%)
      12
      (4%)
      Glycine (mg) 23
      23
      Proline (mg) 94
      94
      Tyrosine (mg)
      (%RDI)
      12
      (1%)
      12
      (1%)
      Non-Essential  
      Alanine (mg) 37
      37
      Aspartic acid (mg) 205
      205
      Betaine (mg) --
      0
      Glutamic acid (mg) 294
      294
      Hydroxyproline (mg) --
      0
      Serine (mg) 41
      41
      Lysine to Arginine Ratio of All Selected Foods: 0.22
      Data Source
      California Grapefruit
      USDA Food Data Central Standard Release (Common)Omega-3 data was extrapolated from undifferentiated-Octadecatrienoic acid.Omega-6 data was extrapolated from undifferentiated-Octadecadienoic Acid (18:2) acid.