Amino Acid Protein Calculator

Enter foods to make sure you are getting all the essential amino acids.
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Romaine Lettuce
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Cucumber
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Number of Servings:
Note: Nutrient values are divided into 1 servings.
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  • Calories 32 2% DV
  • Protein 1.9g 4% DV
  • Carbs 6.9g 3% DV
  • Fat 0.4g 1% DV
  • Fiber 2.6g 9% DV
  • Sugar 2.9g 6% DV
  • Amino Acid Score 2%
  • Lysine / Arginine 0.95
Amino Acid Bar Charts

Total Recommended Daily Intake

  • Cystine 3% RDI 10mg
  • Histidine 4% RDI 31mg
  • Isoleucine 5% RDI 66mg
  • Leucine 4% RDI 105mg
  • Lysine 4% RDI 93mg
  • Methionine 3% RDI 21mg
  • Phenylalanine 10% RDI 84mg
  • Threonine 6% RDI 62mg
  • Tryptophan 5% RDI 15mg
  • Tyrosine 4% RDI 36mg
  • Valine 4% RDI 77mg
Protein Comparison Table

Table Legend

  1. Romaine Lettuce
  2. Cucumber
-- = missing data
Amino Acids
Food # 1 2 Total
Weight (g) 100 100 200
Essential  
Histidine (mg)
(%RDI)
21
(3%)
10
(1%)
31
(4%)
Isoleucine (mg)
(%RDI)
45
(3%)
21
(2%)
66
(5%)
Leucine (mg)
(%RDI)
76
(3%)
29
(1%)
105
(4%)
Lysine (mg)
(%RDI)
64
(3%)
29
(1%)
93
(4%)
Methionine (mg)
(%RDI)
15
(2%)
6
(1%)
21
(3%)
Phenylalanine (mg)
(%RDI)
65
(7%)
19
(2%)
84
(10%)
Threonine (mg)
(%RDI)
43
(4%)
19
(2%)
62
(6%)
Tryptophan (mg)
(%RDI)
10
(4%)
5
(2%)
15
(5%)
Valine (mg)
(%RDI)
55
(3%)
22
(1%)
77
(4%)
Conditional  
Arginine (mg) 54
44
98
Cystine (mg)
(%RDI)
6
(2%)
4
(1%)
10
(3%)
Glycine (mg) 49
24
73
Proline (mg) 45
15
60
Tyrosine (mg)
(%RDI)
25
(3%)
11
(1%)
36
(4%)
Non-Essential  
Alanine (mg) 56
24
80
Aspartic acid (mg) 139
41
180
Betaine (mg) 0
0
0
Glutamic acid (mg) 178
196
374
Hydroxyproline (mg) --
--
0
Serine (mg) 50
20
70
Lysine to Arginine Ratio of All Selected Foods: 0.95
Data Source
Romaine Lettuce
USDA Food Data Central Standard Release (Common)Omega-6 data was extrapolated from undifferentiated-Octadecadienoic Acid (18:2) acid.
Cucumber
USDA Food Data Central Standard Release (Common)Omega-6 data was extrapolated from undifferentiated-Octadecadienoic Acid (18:2) acid.