Amino Acid Protein Calculator

Enter foods to make sure you are getting all the essential amino acids.
instructions
Save Share
Scan Bar Code
Romaine Lettuce
×
Iceberg Lettuce
×
Green Leaf Lettuce
×
Clear Save
Number of Servings:
Note: Nutrient values are divided into 1 servings.
Edit Share Save
  • Calories 23 1% DV
  • Protein 1.7g 3% DV
  • Carbs 4.7g 2% DV
  • Fat 0.3g 0% DV
  • Fiber 2.3g 8% DV
  • Sugar 2.3g 5% DV
  • Amino Acid Score 2%
  • Lysine / Arginine 1.26
Amino Acid Bar Charts

Total Recommended Daily Intake

  • Cystine 4% RDI 12mg
  • Histidine 3% RDI 24mg
  • Isoleucine 5% RDI 64mg
  • Leucine 3% RDI 82mg
  • Lysine 4% RDI 78mg
  • Methionine 2% RDI 16mg
  • Phenylalanine 8% RDI 67mg
  • Threonine 6% RDI 59mg
  • Tryptophan 5% RDI 14mg
  • Tyrosine 3% RDI 28mg
  • Valine 4% RDI 68mg
Protein Comparison Table

Table Legend

  1. Romaine Lettuce
  2. Iceberg Lettuce
  3. Green Leaf Lettuce
-- = missing data
Amino Acids
Food # 1 2 3 Total
Weight (g) 47 72 36 155
Essential  
Histidine (mg)
(%RDI)
10
(1%)
6
(1%)
8
(1%)
24
(3%)
Isoleucine (mg)
(%RDI)
21
(2%)
13
(1%)
30
(2%)
64
(5%)
Leucine (mg)
(%RDI)
36
(1%)
18
(1%)
28
(1%)
82
(3%)
Lysine (mg)
(%RDI)
30
(1%)
17
(1%)
30
(1%)
78
(4%)
Methionine (mg)
(%RDI)
7
(1%)
4
(0%)
6
(1%)
16
(2%)
Phenylalanine (mg)
(%RDI)
31
(3%)
17
(2%)
20
(2%)
67
(8%)
Threonine (mg)
(%RDI)
20
(2%)
18
(2%)
21
(2%)
59
(6%)
Tryptophan (mg)
(%RDI)
5
(2%)
6
(2%)
3
(1%)
14
(5%)
Valine (mg)
(%RDI)
26
(1%)
17
(1%)
25
(1%)
68
(4%)
Conditional  
Arginine (mg) 25
11
26
62
Cystine (mg)
(%RDI)
3
(1%)
4
(1%)
6
(2%)
12
(4%)
Glycine (mg) 23
11
21
54
Proline (mg) 21
7
17
46
Tyrosine (mg)
(%RDI)
12
(1%)
5
(1%)
12
(1%)
28
(3%)
Non-Essential  
Alanine (mg) 26
18
20
64
Aspartic acid (mg) 65
90
51
206
Betaine (mg) 0
0
0
0
Glutamic acid (mg) 84
140
66
289
Hydroxyproline (mg) --
--
--
0
Serine (mg) 24
18
14
56
Lysine to Arginine Ratio of All Selected Foods: 1.26
Data Source
Romaine Lettuce
USDA Food Data Central Standard Release (Common)Omega-6 data was extrapolated from undifferentiated-Octadecadienoic Acid (18:2) acid.
Iceberg Lettuce
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.
Green Leaf Lettuce
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.