Amino Acid Protein Calculator
Enter foods to make sure you are getting all the essential amino acids.
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Beef, top sirloin, steak, trimmed to 1/8" fat, select, raw
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  • Calories 36 2% DV
  • Protein 6.3g 4% DV
  • Carbs 0g 0% DV
  • Fat 1g 2% DV
  • Fiber 0g 0% DV
  • Sugar 0g 0% DV
  • Amino Acid Score 19%
  • Lysine / Arginine 1.31
Amino Acid Bar Charts

Total Recommended Daily Intake

  • Cystine 8% RDI 82mg
  • Histidine 25% RDI 202mg
  • Isoleucine 27% RDI 288mg
  • Leucine 21% RDI 503mg
  • Lysine 25% RDI 534mg
  • Methionine 15% RDI 165mg
  • Phenylalanine 13% RDI 250mg
  • Threonine 22% RDI 252mg
  • Tryptophan 15% RDI 41mg
  • Tyrosine 11% RDI 202mg
  • Valine 23% RDI 314mg
Protein Comparison Table

Table Legend

  1. Beef, top sirloin, steak, trimmed to 1/8" fat, select, raw
-- = missing data
Amino Acids
Food # 1 Total
Weight (g) 28 28
Essential  
Histidine (mg)
(%RDI)		 202
(25%)		 202
(25%)
Isoleucine (mg)
(%RDI)		 288
(27%)		 288
(27%)
Leucine (mg)
(%RDI)		 503
(21%)		 503
(21%)
Lysine (mg)
(%RDI)		 534
(25%)		 534
(25%)
Methionine (mg)
(%RDI)		 165
(15%)		 165
(15%)
Phenylalanine (mg)
(%RDI)		 250
(13%)		 250
(13%)
Threonine (mg)
(%RDI)		 252
(22%)		 252
(22%)
Tryptophan (mg)
(%RDI)		 41
(15%)		 41
(15%)
Valine (mg)
(%RDI)		 314
(23%)		 314
(23%)
Conditional  
Arginine (mg) 409
409
Cystine (mg)
(%RDI)		 82
(8%)		 82
(8%)
Glycine (mg) 385
385
Proline (mg) 301
301
Tyrosine (mg)
(%RDI)		 202
(11%)		 202
(11%)
Non-Essential  
Alanine (mg) 385
385
Aspartic acid (mg) 576
576
Betaine (mg) 4
4
Glutamic acid (mg) 949
949
Hydroxyproline (mg) 66
66
Serine (mg) 249
249
Lysine to Arginine Ratio of All Selected Foods: 1.31
Data Source
Beef, top sirloin, steak, trimmed to 1/8" fat, select, raw
USDA Food Data Central Standard ReleaseOmega-6 data was extrapolated from undifferentiated-Octadecadienoic Acid (18:2) acid.