Amino Acid Protein Calculator

Enter foods to make sure you are getting all the essential amino acids.
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Pink Grapefruit
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White Grapefruit
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Quick Stats
  • Calories 173 9% DV
  • Protein 3.4g 7% DV
  • Carbs 44g 15% DV
  • Fat 0.6g 1% DV
  • Fiber 6g 22% DV
  • Sugar 33g 65% DV
Amino Acid Bar Charts

Total Recommended Daily Intake

  • Tryptophan 12% RDI 35mg
  • Threonine 5% RDI 58mg
  • Isoleucine 2% RDI 35mg
  • Leucine 2% RDI 64mg
  • Lysine 4% RDI 83mg
  • Methionine 4% RDI 32mg
  • Cystine 12% RDI 35mg
  • Phenylalanine 14% RDI 124mg
  • Tyrosine 4% RDI 35mg
  • Valine 4% RDI 67mg
  • Histidine 5% RDI 35mg
Protein Comparison Table

Table Legend

  1. Pink Grapefruit
  2. White Grapefruit
~ = missing data
Amino Acids
Food # 1 2 Total
Weight (g) 230 230 460
Tryptophan (mg)
(%RDI)		 18
(7%)		 16
(6%)		 35
(12%)
Threonine (mg)
(%RDI)		 30
(3%)		 28
(3%)		 58
(5%)
Isoleucine (mg)
(%RDI)		 18
(1%)		 16
(1%)		 35
(2%)
Leucine (mg)
(%RDI)		 35
(1%)		 30
(1%)		 64
(2%)
Lysine (mg)
(%RDI)		 44
(2%)		 39
(2%)		 83
(4%)
Methionine (mg)
(%RDI)		 16
(2%)		 16
(2%)		 32
(4%)
Cystine (mg)
(%RDI)		 18
(6%)		 16
(6%)		 35
(12%)
Phenylalanine (mg)
(%RDI)		 30
(3%)		 94
(11%)		 124
(14%)
Tyrosine (mg)
(%RDI)		 18
(2%)		 16
(2%)		 35
(4%)
Valine (mg)
(%RDI)		 35
(2%)		 32
(2%)		 67
(4%)
Histidine (mg)
(%RDI)		 18
(3%)		 16
(2%)		 35
(5%)
Arginine (mg) 200
179
380
Alanine (mg) 55
51
106
Aspartic acid (mg) 317
283
600
Betaine (mg) 0
~
0
Glutamic acid (mg) 453
405
858
Glycine (mg) 35
30
64
Proline (mg) 145
129
274
Serine (mg) 64
57
122
Lysine to Arginine Ratio of All Selected Foods: 0.22
Data Source
Pink Grapefruit
USDA Food Data Central Standard Release (Common)
White Grapefruit
USDA Food Data Central Standard Release (Common)
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