Amino Acid Protein Calculator
Enter foods to make sure you are getting all the essential amino acids.
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      Apples
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      Peanut butter, smooth style, with salt
      ×
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      Quick Stats
      • Calories 256 13% DV
      • Protein 7.4g 15% DV
      • Carbs 24g 8% DV
      • Fat 17g 26% DV
      • Fiber 5g 16% DV
      • Sugar 16g 33% DV
      Amino Acid Bar Charts

      Total Recommended Daily Intake

      • Cystine 26% RDI 75mg
      • Histidine 26% RDI 184mg
      • Isoleucine 15% RDI 205mg
      • Leucine 19% RDI 511mg
      • Lysine 11% RDI 233mg
      • Methionine 12% RDI 86mg
      • Phenylalanine 45% RDI 392mg
      • Threonine 17% RDI 176mg
      • Tryptophan 27% RDI 75mg
      • Tyrosine 30% RDI 267mg
      • Valine 15% RDI 265mg
      Protein Comparison Table

      Table Legend

      1. Apples
      2. Peanut butter, smooth style, with salt
      -- = missing data
      Amino Acids
      Food # 1 2 Total
      Weight (g) 125 32 157
      Essential  
      Histidine (mg)
      (%RDI)      		 6
      (1%)      		 178
      (25%)      		 184
      (26%)
      Isoleucine (mg)
      (%RDI)      		 8
      (1%)      		 197
      (14%)      		 205
      (15%)
      Leucine (mg)
      (%RDI)      		 16
      (1%)      		 495
      (18%)      		 511
      (19%)
      Lysine (mg)
      (%RDI)      		 15
      (1%)      		 218
      (10%)      		 233
      (11%)
      Methionine (mg)
      (%RDI)      		 1
      (0%)      		 85
      (12%)      		 86
      (12%)
      Phenylalanine (mg)
      (%RDI)      		 8
      (1%)      		 385
      (44%)      		 392
      (45%)
      Threonine (mg)
      (%RDI)      		 8
      (1%)      		 168
      (16%)      		 176
      (17%)
      Tryptophan (mg)
      (%RDI)      		 1
      (0%)      		 74
      (26%)      		 75
      (27%)
      Valine (mg)
      (%RDI)      		 15
      (1%)      		 250
      (14%)      		 265
      (15%)
      Conditional  
      Arginine (mg) 8
      		886
      		893
      Cystine (mg)
      (%RDI)      		 1
      (0%)      		 73
      (26%)      		 75
      (26%)
      Glycine (mg) 11
      		460
      		471
      Proline (mg) 8
      		451
      		458
      Tyrosine (mg)
      (%RDI)      		 1
      (0%)      		 265
      (30%)      		 267
      (30%)
      Non-Essential  
      Alanine (mg) 14
      		293
      		307
      Aspartic acid (mg) 88
      		977
      		1065
      Betaine (mg) 0
      		0
      		0
      Glutamic acid (mg) 31
      		1629
      		1661
      Hydroxyproline (mg) --
      		--
      		0
      Serine (mg) 13
      		474
      		486
      Lysine to Arginine Ratio of All Selected Foods: 0.26
      Data Source
      Apples
      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.
      Peanut butter, smooth style, with salt
      USDA Food Data Central Standard ReleaseOmega-6 data was extrapolated from undifferentiated-Octadecadienoic Acid (18:2) acid.