Amino Acid Protein Calculator

Enter foods to make sure you are getting all the essential amino acids.
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Red Leaf Lettuce
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Note: Nutrient values are divided into 2 servings.
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  • Calories 5 0% DV
  • Protein 0.6g 1% DV
  • Carbs 0.9g 0% DV
  • Fat 0.1g 0% DV
  • Fiber 0.4g 1% DV
  • Sugar 0.2g 0% DV
  • Amino Acid Score 1%
  • Lysine / Arginine 1.12
Amino Acid Bar Charts

Total Recommended Daily Intake

  • Cystine 1% RDI 4mg
  • Histidine 1% RDI 8mg
  • Isoleucine 1% RDI 16mg
  • Leucine 1% RDI 29mg
  • Lysine 1% RDI 19mg
  • Methionine 1% RDI 7mg
  • Phenylalanine 3% RDI 28mg
  • Threonine 2% RDI 20mg
  • Tryptophan 3% RDI 9mg
  • Tyrosine 1% RDI 12mg
  • Valine 1% RDI 20mg
Protein Comparison Table

Table Legend

  1. Red Leaf Lettuce
-- = missing data
Amino Acids
Food # 1 Total
Weight (g) 42 42
Essential  
Histidine (mg)
(%RDI)
8
(1%)
8
(1%)
Isoleucine (mg)
(%RDI)
16
(1%)
16
(1%)
Leucine (mg)
(%RDI)
29
(1%)
29
(1%)
Lysine (mg)
(%RDI)
19
(1%)
19
(1%)
Methionine (mg)
(%RDI)
7
(1%)
7
(1%)
Phenylalanine (mg)
(%RDI)
28
(3%)
28
(3%)
Threonine (mg)
(%RDI)
20
(2%)
20
(2%)
Tryptophan (mg)
(%RDI)
9
(3%)
9
(3%)
Valine (mg)
(%RDI)
20
(1%)
20
(1%)
Conditional  
Arginine (mg) 17
17
Cystine (mg)
(%RDI)
4
(1%)
4
(1%)
Glycine (mg) 20
20
Proline (mg) 16
16
Tyrosine (mg)
(%RDI)
12
(1%)
12
(1%)
Non-Essential  
Alanine (mg) 21
21
Aspartic acid (mg) 59
59
Betaine (mg) 0
0
Glutamic acid (mg) 65
65
Hydroxyproline (mg) --
0
Serine (mg) 18
18
Lysine to Arginine Ratio of All Selected Foods: 1.12
Data Source
Red Leaf Lettuce
USDA Food Data Central Standard Release (Common)Omega-6 data was extrapolated from undifferentiated-Octadecadienoic Acid (18:2) acid.