Amino Acid Protein Calculator
Enter foods to make sure you are getting all the essential amino acids.
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      TACO BELL, Soft Taco with steak
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      Quick Stats
      • Calories 286 14% DV
      • Protein 15g 30% DV
      • Carbs 22g 7% DV
      • Fat 15g 24% DV
      • Fiber 2g 7% DV
      • Sugar 0g 0% DV
      Amino Acid Bar Charts

      Total Recommended Daily Intake

      • Cystine 65% RDI 187mg
      • Histidine 59% RDI 413mg
      • Isoleucine 45% RDI 635mg
      • Leucine 43% RDI 1177mg
      • Lysine 49% RDI 1035mg
      • Methionine 44% RDI 320mg
      • Phenylalanine 79% RDI 692mg
      • Threonine 61% RDI 638mg
      • Tryptophan 66% RDI 184mg
      • Tyrosine 56% RDI 493mg
      • Valine 39% RDI 714mg
      Protein Comparison Table

      Table Legend

      1. TACO BELL, Soft Taco with steak
      -- = missing data
      Amino Acids
      Food # 1 Total
      Weight (g) 127 127
      Essential  
      Histidine (mg)
      (%RDI)      		 413
      (59%)      		 413
      (59%)
      Isoleucine (mg)
      (%RDI)      		 635
      (45%)      		 635
      (45%)
      Leucine (mg)
      (%RDI)      		 1177
      (43%)      		 1177
      (43%)
      Lysine (mg)
      (%RDI)      		 1035
      (49%)      		 1035
      (49%)
      Methionine (mg)
      (%RDI)      		 320
      (44%)      		 320
      (44%)
      Phenylalanine (mg)
      (%RDI)      		 692
      (79%)      		 692
      (79%)
      Threonine (mg)
      (%RDI)      		 638
      (61%)      		 638
      (61%)
      Tryptophan (mg)
      (%RDI)      		 184
      (66%)      		 184
      (66%)
      Valine (mg)
      (%RDI)      		 714
      (39%)      		 714
      (39%)
      Conditional  
      Arginine (mg) 785
      		785
      Cystine (mg)
      (%RDI)      		 187
      (65%)      		 187
      (65%)
      Glycine (mg) 584
      		584
      Proline (mg) 965
      		965
      Tyrosine (mg)
      (%RDI)      		 493
      (56%)      		 493
      (56%)
      Non-Essential  
      Alanine (mg) 720
      		720
      Aspartic acid (mg) 1340
      		1340
      Betaine (mg) --
      		0
      Glutamic acid (mg) 3047
      		3047
      Hydroxyproline (mg) --
      		0
      Serine (mg) 695
      		695
      Lysine to Arginine Ratio of All Selected Foods: 1.32
      Data Source
      TACO BELL, Soft Taco with steak
      USDA Food Data Central Standard Release