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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Beef, top sirloin, steak, trimmed to 1/8" fat, select, raw
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Beef, top sirloin, steak, trimmed to 1/8" fat, select, raw
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Note: Nutrient values are divided into 1 servings.
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  • Calories 199 15% DV
  • Protein 35g 36% DV
  • Carbs 0g 0% DV
  • Fat 5.6g 13% DV
  • Fiber 0g 0% DV
  • Sugar 0g 0% DV
  • Amino Acid Score 97%
  • Lysine / Arginine 1.31
Amino Acid Bar Charts

Total Recommended Daily Intake

  • Cystine 67% RDI 450mg
  • Histidine 225% RDI 1115mg
  • Isoleucine 236% RDI 1588mg
  • Leucine 187% RDI 2777mg
  • Lysine 220% RDI 2951mg
  • Methionine 135% RDI 909mg
  • Phenylalanine 118% RDI 1378mg
  • Threonine 197% RDI 1394mg
  • Tryptophan 129% RDI 229mg
  • Tyrosine 95% RDI 1113mg
  • Valine 204% RDI 1733mg
Protein Comparison Table

Table Legend

  1. Beef, top sirloin, steak, trimmed to 1/8" fat, select, raw
  2. Beef, top sirloin, steak, trimmed to 1/8" fat, select, raw
  3. Beef, top sirloin, steak, trimmed to 1/8" fat, select, raw
-- = missing data
Amino Acids
Food # 1 2 3 Total
Weight (g) 28 28 100 157
Essential  
Histidine (mg)
(%RDI)		 202
(41%)		 202
(41%)		 711
(144%)		 1115
(225%)
Isoleucine (mg)
(%RDI)		 288
(43%)		 288
(43%)		 1013
(151%)		 1588
(236%)
Leucine (mg)
(%RDI)		 503
(34%)		 503
(34%)		 1771
(119%)		 2777
(187%)
Lysine (mg)
(%RDI)		 534
(40%)		 534
(40%)		 1882
(140%)		 2951
(220%)
Methionine (mg)
(%RDI)		 165
(25%)		 165
(25%)		 580
(86%)		 909
(135%)
Phenylalanine (mg)
(%RDI)		 250
(21%)		 250
(21%)		 879
(75%)		 1378
(118%)
Threonine (mg)
(%RDI)		 252
(36%)		 252
(36%)		 889
(126%)		 1394
(197%)
Tryptophan (mg)
(%RDI)		 41
(23%)		 41
(23%)		 146
(82%)		 229
(129%)
Valine (mg)
(%RDI)		 314
(37%)		 314
(37%)		 1105
(130%)		 1733
(204%)
Conditional  
Arginine (mg) 409
409
1440
2258
Cystine (mg)
(%RDI)		 82
(12%)		 82
(12%)		 287
(43%)		 450
(67%)
Glycine (mg) 385
385
1356
2126
Proline (mg) 301
301
1061
1664
Tyrosine (mg)
(%RDI)		 202
(17%)		 202
(17%)		 710
(61%)		 1113
(95%)
Non-Essential  
Alanine (mg) 385
385
1354
2123
Aspartic acid (mg) 576
576
2028
3180
Betaine (mg) 4
4
14
21
Glutamic acid (mg) 949
949
3343
5242
Hydroxyproline (mg) 66
66
234
367
Serine (mg) 249
249
877
1375
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.
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.
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.