Amino Acid Protein Calculator
Enter foods to make sure you are getting all the essential amino acids.
instructions
Save Share
Scan Bar Code
Toasted White Bread
×
Peanut Butter (Smooth)
×
Clear Save
Number of Servings:
Edit Share Save
  • Calories 237 12% DV
  • Protein 8.5g 17% DV
  • Carbs 17g 6% DV
  • Fat 17g 21% DV
  • Fiber 2.3g 8% DV
  • Sugar 3.1g 6% DV
  • Amino Acid Score 19%
  • Lysine / Arginine 0.28
Amino Acid Bar Charts

Total Recommended Daily Intake

  • Cystine 37% RDI 105mg
  • Histidine 30% RDI 209mg
  • Isoleucine 18% RDI 255mg
  • Leucine 22% RDI 597mg
  • Lysine 12% RDI 257mg
  • Methionine 15% RDI 111mg
  • Phenylalanine 52% RDI 455mg
  • Threonine 20% RDI 211mg
  • Tryptophan 32% RDI 91mg
  • Tyrosine 35% RDI 306mg
  • Valine 17% RDI 315mg
Protein Comparison Table

Table Legend

  1. Toasted White Bread
  2. Peanut Butter (Smooth)
-- = missing data
Amino Acids
Food # 1 2 Total
Weight (g) 17 32 49
Essential  
Histidine (mg)
(%RDI)		 33
(5%)		 176
(25%)		 209
(30%)
Isoleucine (mg)
(%RDI)		 60
(4%)		 195
(14%)		 255
(18%)
Leucine (mg)
(%RDI)		 108
(4%)		 489
(18%)		 597
(22%)
Lysine (mg)
(%RDI)		 42
(2%)		 215
(10%)		 257
(12%)
Methionine (mg)
(%RDI)		 27
(4%)		 84
(12%)		 111
(15%)
Phenylalanine (mg)
(%RDI)		 75
(9%)		 380
(43%)		 455
(52%)
Threonine (mg)
(%RDI)		 45
(4%)		 166
(16%)		 211
(20%)
Tryptophan (mg)
(%RDI)		 18
(6%)		 73
(26%)		 91
(32%)
Valine (mg)
(%RDI)		 67
(4%)		 247
(14%)		 315
(17%)
Conditional  
Arginine (mg) 59
875
934
Cystine (mg)
(%RDI)		 32
(11%)		 72
(25%)		 105
(37%)
Glycine (mg) 55
454
509
Proline (mg) 165
445
610
Tyrosine (mg)
(%RDI)		 44
(5%)		 262
(30%)		 306
(35%)
Non-Essential  
Alanine (mg) 52
290
342
Aspartic acid (mg) 76
965
1041
Betaine (mg) --
0
0
Glutamic acid (mg) 496
1609
2106
Hydroxyproline (mg) --
--
0
Serine (mg) 75
468
543
Lysine to Arginine Ratio of All Selected Foods: 0.28
Data Source
Toasted White Bread
USDA Food Data Central Standard Release (Common)Omega-6 data was extrapolated from undifferentiated-Octadecadienoic Acid (18:2) acid.
Peanut Butter (Smooth)
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.