Amino Acid Protein Calculator
Enter foods to make sure you are getting all the essential amino acids.
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      White Grapefruit
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      Pink Grapefruit
      ×
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      Quick Stats
      • Calories 181 9% DV
      • Protein 3.5g 7% DV
      • Carbs 46g 15% DV
      • Fat 0.6g 1% DV
      • Fiber 7g 23% DV
      • Sugar 34g 68% DV
      Amino Acid Bar Charts

      Total Recommended Daily Intake

      • Cystine 13% RDI 36mg
      • Histidine 5% RDI 36mg
      • Isoleucine 3% RDI 36mg
      • Leucine 2% RDI 68mg
      • Lysine 4% RDI 87mg
      • Methionine 5% RDI 34mg
      • Phenylalanine 15% RDI 129mg
      • Threonine 6% RDI 60mg
      • Tryptophan 13% RDI 36mg
      • Tyrosine 4% RDI 36mg
      • Valine 4% RDI 70mg
      Protein Comparison Table

      Table Legend

      1. White Grapefruit
      2. Pink Grapefruit
      -- = missing data
      Amino Acids
      Food # 1 2 Total
      Weight (g) 236 246 482
      Essential  
      Histidine (mg)
      (%RDI)      		 17
      (2%)      		 20
      (3%)      		 36
      (5%)
      Isoleucine (mg)
      (%RDI)      		 17
      (1%)      		 20
      (1%)      		 36
      (3%)
      Leucine (mg)
      (%RDI)      		 31
      (1%)      		 37
      (1%)      		 68
      (2%)
      Lysine (mg)
      (%RDI)      		 40
      (2%)      		 47
      (2%)      		 87
      (4%)
      Methionine (mg)
      (%RDI)      		 17
      (2%)      		 17
      (2%)      		 34
      (5%)
      Phenylalanine (mg)
      (%RDI)      		 97
      (11%)      		 32
      (4%)      		 129
      (15%)
      Threonine (mg)
      (%RDI)      		 28
      (3%)      		 32
      (3%)      		 60
      (6%)
      Tryptophan (mg)
      (%RDI)      		 17
      (6%)      		 20
      (7%)      		 36
      (13%)
      Valine (mg)
      (%RDI)      		 33
      (2%)      		 37
      (2%)      		 70
      (4%)
      Conditional  
      Arginine (mg) 184
      		214
      		398
      Cystine (mg)
      (%RDI)      		 17
      (6%)      		 20
      (7%)      		 36
      (13%)
      Glycine (mg) 31
      		37
      		68
      Proline (mg) 132
      		155
      		287
      Tyrosine (mg)
      (%RDI)      		 17
      (2%)      		 20
      (2%)      		 36
      (4%)
      Non-Essential  
      Alanine (mg) 52
      		59
      		111
      Aspartic acid (mg) 290
      		339
      		630
      Betaine (mg) --
      		0
      		0
      Glutamic acid (mg) 415
      		485
      		900
      Hydroxyproline (mg) --
      		--
      		0
      Serine (mg) 59
      		69
      		128
      Lysine to Arginine Ratio of All Selected Foods: 0.22
      Data Source
      White Grapefruit
      USDA Food Data Central Standard Release (Common)Omega-6 data was extrapolated from undifferentiated-Octadecadienoic Acid (18:2) acid.
      Pink Grapefruit
      USDA Food Data Central Standard Release (Common)Omega-6 data was extrapolated from undifferentiated-Octadecadienoic Acid (18:2) acid.