Amino Acid Protein Calculator
Enter foods to make sure you are getting all the essential amino acids.
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      Pink Grapefruit
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      White Grapefruit
      ×
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      Quick Stats
      • Calories 173 9% DV
      • Protein 3.4g 7% DV
      • Carbs 44g 15% DV
      • Fat 0.6g 1% DV
      • Fiber 6g 22% DV
      • Sugar 33g 65% DV
      Amino Acid Bar Charts

      Total Recommended Daily Intake

      • Cystine 12% RDI 35mg
      • Histidine 5% RDI 35mg
      • Isoleucine 2% RDI 35mg
      • Leucine 2% RDI 64mg
      • Lysine 4% RDI 83mg
      • Methionine 4% RDI 32mg
      • Phenylalanine 14% RDI 124mg
      • Threonine 5% RDI 58mg
      • Tryptophan 12% RDI 35mg
      • Tyrosine 4% RDI 35mg
      • Valine 4% RDI 67mg
      Protein Comparison Table

      Table Legend

      1. Pink Grapefruit
      2. White Grapefruit
      -- = missing data
      Amino Acids
      Food # 1 2 Total
      Weight (g) 230 230 460
      Essential  
      Histidine (mg)
      (%RDI)      		 18
      (3%)      		 16
      (2%)      		 35
      (5%)
      Isoleucine (mg)
      (%RDI)      		 18
      (1%)      		 16
      (1%)      		 35
      (2%)
      Leucine (mg)
      (%RDI)      		 35
      (1%)      		 30
      (1%)      		 64
      (2%)
      Lysine (mg)
      (%RDI)      		 44
      (2%)      		 39
      (2%)      		 83
      (4%)
      Methionine (mg)
      (%RDI)      		 16
      (2%)      		 16
      (2%)      		 32
      (4%)
      Phenylalanine (mg)
      (%RDI)      		 30
      (3%)      		 94
      (11%)      		 124
      (14%)
      Threonine (mg)
      (%RDI)      		 30
      (3%)      		 28
      (3%)      		 58
      (5%)
      Tryptophan (mg)
      (%RDI)      		 18
      (7%)      		 16
      (6%)      		 35
      (12%)
      Valine (mg)
      (%RDI)      		 35
      (2%)      		 32
      (2%)      		 67
      (4%)
      Conditional  
      Arginine (mg) 200
      		179
      		380
      Cystine (mg)
      (%RDI)      		 18
      (6%)      		 16
      (6%)      		 35
      (12%)
      Glycine (mg) 35
      		30
      		64
      Proline (mg) 145
      		129
      		274
      Tyrosine (mg)
      (%RDI)      		 18
      (2%)      		 16
      (2%)      		 35
      (4%)
      Non-Essential  
      Alanine (mg) 55
      		51
      		106
      Aspartic acid (mg) 317
      		283
      		600
      Betaine (mg) 0
      		--
      		0
      Glutamic acid (mg) 453
      		405
      		858
      Hydroxyproline (mg) --
      		--
      		0
      Serine (mg) 64
      		57
      		122
      Lysine to Arginine Ratio of All Selected Foods: 0.22
      Data Source
      Pink Grapefruit
      USDA Food Data Central Standard Release (Common)Omega-6 data was extrapolated from undifferentiated-Octadecadienoic Acid (18:2) acid.
      White Grapefruit
      USDA Food Data Central Standard Release (Common)Omega-6 data was extrapolated from undifferentiated-Octadecadienoic Acid (18:2) acid.