Amino Acid Protein Calculator
Enter foods to make sure you are getting all the essential amino acids.
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Firm Tofu (With Calcium And Magnesium)
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Raw Chicken Breast
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Number of Servings:
Note: Nutrient values are divided into 1 servings.
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  • Calories 56 3% DV
  • Protein 8.9g 18% DV
  • Carbs 0.8g 0% DV
  • Fat 1.9g 2% DV
  • Fiber 0.3g 1% DV
  • Sugar 0.2g 0% DV
  • Amino Acid Score 20%
  • Lysine / Arginine 1.17
Amino Acid Bar Charts

Total Recommended Daily Intake

  • Cystine 26% RDI 75mg
  • Histidine 43% RDI 302mg
  • Isoleucine 31% RDI 439mg
  • Leucine 27% RDI 734mg
  • Lysine 35% RDI 744mg
  • Methionine 27% RDI 197mg
  • Phenylalanine 44% RDI 381mg
  • Threonine 38% RDI 403mg
  • Tryptophan 41% RDI 115mg
  • Tyrosine 38% RDI 334mg
  • Valine 25% RDI 459mg
Protein Comparison Table

Table Legend

  1. Firm Tofu (With Calcium And Magnesium)
  2. Raw Chicken Breast
-- = missing data
Amino Acids
Food # 1 2 Total
Weight (g) 28 28 57
Essential  
Histidine (mg)
(%RDI)		 64
(9%)		 238
(34%)		 302
(43%)
Isoleucine (mg)
(%RDI)		 126
(9%)		 313
(22%)		 439
(31%)
Leucine (mg)
(%RDI)		 206
(8%)		 528
(19%)		 734
(27%)
Lysine (mg)
(%RDI)		 131
(6%)		 613
(29%)		 744
(35%)
Methionine (mg)
(%RDI)		 31
(4%)		 166
(23%)		 197
(27%)
Phenylalanine (mg)
(%RDI)		 124
(14%)		 257
(29%)		 381
(44%)
Threonine (mg)
(%RDI)		 117
(11%)		 286
(27%)		 403
(38%)
Tryptophan (mg)
(%RDI)		 35
(12%)		 80
(29%)		 115
(41%)
Valine (mg)
(%RDI)		 129
(7%)		 330
(18%)		 459
(25%)
Conditional  
Arginine (mg) 203
431
634
Cystine (mg)
(%RDI)		 9
(3%)		 67
(23%)		 75
(26%)
Glycine (mg) 109
282
391
Proline (mg) 161
203
363
Tyrosine (mg)
(%RDI)		 104
(12%)		 230
(26%)		 334
(38%)
Non-Essential  
Alanine (mg) 115
372
487
Aspartic acid (mg) 302
600
902
Betaine (mg) 0
2
2
Glutamic acid (mg) 488
945
1433
Hydroxyproline (mg) --
--
0
Serine (mg) 151
243
394
Lysine to Arginine Ratio of All Selected Foods: 1.17
Data Source
Firm Tofu (With Calcium And Magnesium)
USDA Food Data Central Standard Release (Common)Omega-3 data was extrapolated from undifferentiated-Octadecatrienoic acid.Iodine data is obtained from the USDA Iodine database.
Raw Chicken Breast
USDA Food Data Central Standard Release (Common)Omega-3 data was extrapolated from undifferentiated-Octadecatrienoic acid.