Amino Acid Protein Calculator

Enter foods to make sure you are getting all the essential amino acids.
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Unsalted Butter
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  • Calories 810 53% DV
  • Protein 1g 1% DV
  • Carbs 0.1g 0% DV
  • Fat 92g 180% DV
  • Fiber 0g 0% DV
  • Sugar 0.1g 0% DV
  • Amino Acid Score 3%
  • Lysine / Arginine 2.17
Amino Acid Bar Charts

Total Recommended Daily Intake

  • Cystine 1% RDI 9mg
  • Histidine 3% RDI 26mg
  • Isoleucine 4% RDI 58mg
  • Leucine 3% RDI 94mg
  • Lysine 3% RDI 76mg
  • Methionine 2% RDI 24mg
  • Phenylalanine 2% RDI 46mg
  • Threonine 3% RDI 43mg
  • Tryptophan 4% RDI 14mg
  • Tyrosine 2% RDI 46mg
  • Valine 4% RDI 64mg
Protein Comparison Table

Table Legend

  1. Unsalted Butter
-- = missing data
Amino Acids
Food # 1 Total
Weight (g) 113 113
Essential  
Histidine (mg)
(%RDI)
26
(3%)
26
(3%)
Isoleucine (mg)
(%RDI)
58
(4%)
58
(4%)
Leucine (mg)
(%RDI)
94
(3%)
94
(3%)
Lysine (mg)
(%RDI)
76
(3%)
76
(3%)
Methionine (mg)
(%RDI)
24
(2%)
24
(2%)
Phenylalanine (mg)
(%RDI)
46
(2%)
46
(2%)
Threonine (mg)
(%RDI)
43
(3%)
43
(3%)
Tryptophan (mg)
(%RDI)
14
(4%)
14
(4%)
Valine (mg)
(%RDI)
64
(4%)
64
(4%)
Conditional  
Arginine (mg) 35
35
Cystine (mg)
(%RDI)
9
(1%)
9
(1%)
Glycine (mg) 20
20
Proline (mg) 93
93
Tyrosine (mg)
(%RDI)
46
(2%)
46
(2%)
Non-Essential  
Alanine (mg) 33
33
Aspartic acid (mg) 72
72
Betaine (mg) --
0
Glutamic acid (mg) 201
201
Hydroxyproline (mg) --
0
Serine (mg) 52
52
Lysine to Arginine Ratio of All Selected Foods: 2.17
Data Source
Unsalted Butter
USDA Food Data Central Standard Release (Common)