Amino Acid Protein Calculator

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Butterhead Lettuce
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  • Calories 7 0% DV
  • Protein 0.7g 1% DV
  • Carbs 1.2g 0% DV
  • Fat 0.1g 0% DV
  • Fiber 0.6g 2% DV
  • Sugar 0.5g 1% DV
  • Amino Acid Score 2%
  • Lysine / Arginine 1.11
Amino Acid Bar Charts

Total Recommended Daily Intake

  • Cystine 2% RDI 5mg
  • Histidine 1% RDI 9mg
  • Isoleucine 2% RDI 21mg
  • Leucine 1% RDI 39mg
  • Lysine 1% RDI 31mg
  • Methionine 1% RDI 8mg
  • Phenylalanine 3% RDI 29mg
  • Threonine 2% RDI 23mg
  • Tryptophan 3% RDI 7mg
  • Tyrosine 1% RDI 10mg
  • Valine 2% RDI 30mg
Protein Comparison Table

Table Legend

  1. Butterhead Lettuce
-- = missing data
Amino Acids
Food # 1 Total
Weight (g) 55 55
Essential  
Histidine (mg)
(%RDI)
9
(1%)
9
(1%)
Isoleucine (mg)
(%RDI)
21
(2%)
21
(2%)
Leucine (mg)
(%RDI)
39
(1%)
39
(1%)
Lysine (mg)
(%RDI)
31
(1%)
31
(1%)
Methionine (mg)
(%RDI)
8
(1%)
8
(1%)
Phenylalanine (mg)
(%RDI)
29
(3%)
29
(3%)
Threonine (mg)
(%RDI)
23
(2%)
23
(2%)
Tryptophan (mg)
(%RDI)
7
(3%)
7
(3%)
Valine (mg)
(%RDI)
30
(2%)
30
(2%)
Conditional  
Arginine (mg) 28
28
Cystine (mg)
(%RDI)
5
(2%)
5
(2%)
Glycine (mg) 24
24
Proline (mg) 20
20
Tyrosine (mg)
(%RDI)
10
(1%)
10
(1%)
Non-Essential  
Alanine (mg) 30
30
Aspartic acid (mg) 78
78
Betaine (mg) 0
0
Glutamic acid (mg) 113
113
Hydroxyproline (mg) --
0
Serine (mg) 25
25
Lysine to Arginine Ratio of All Selected Foods: 1.11
Data Source
Butterhead Lettuce
USDA Food Data Central Standard Release (Common)Omega-6 data was extrapolated from undifferentiated-Octadecadienoic Acid (18:2) acid.