Amino Acid Protein Calculator

Enter foods to make sure you are getting all the essential amino acids.
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Raw Spinach
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Raw Sweet Potatoes
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Number of Servings:
Note: Nutrient values are divided into 1 servings.
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  • Calories 121 6% DV
  • Protein 2.9g 6% DV
  • Carbs 28g 10% DV
  • Fat 0.2g 0% DV
  • Fiber 4.7g 17% DV
  • Sugar 5.7g 11% DV
  • Amino Acid Score 11%
  • Lysine / Arginine 1.15
Amino Acid Bar Charts

Total Recommended Daily Intake

  • Cystine 14% RDI 40mg
  • Histidine 9% RDI 60mg
  • Isoleucine 8% RDI 117mg
  • Leucine 7% RDI 189mg
  • Lysine 7% RDI 140mg
  • Methionine 7% RDI 54mg
  • Phenylalanine 18% RDI 157mg
  • Threonine 14% RDI 147mg
  • Tryptophan 19% RDI 53mg
  • Tyrosine 9% RDI 78mg
  • Valine 9% RDI 163mg
Protein Comparison Table

Table Legend

  1. Raw Spinach
  2. Raw Sweet Potatoes
-- = missing data
Amino Acids
Food # 1 2 Total
Weight (g) 30 133 163
Essential  
Histidine (mg)
(%RDI)
19
(3%)
41
(6%)
60
(9%)
Isoleucine (mg)
(%RDI)
44
(3%)
73
(5%)
117
(8%)
Leucine (mg)
(%RDI)
67
(2%)
122
(4%)
189
(7%)
Lysine (mg)
(%RDI)
52
(2%)
88
(4%)
140
(7%)
Methionine (mg)
(%RDI)
16
(2%)
39
(5%)
54
(7%)
Phenylalanine (mg)
(%RDI)
39
(4%)
118
(14%)
157
(18%)
Threonine (mg)
(%RDI)
37
(3%)
110
(11%)
147
(14%)
Tryptophan (mg)
(%RDI)
12
(4%)
41
(15%)
53
(19%)
Valine (mg)
(%RDI)
48
(3%)
114
(6%)
163
(9%)
Conditional  
Arginine (mg) 49
73
122
Cystine (mg)
(%RDI)
11
(4%)
29
(10%)
40
(14%)
Glycine (mg) 40
84
124
Proline (mg) 34
69
103
Tyrosine (mg)
(%RDI)
32
(4%)
45
(5%)
78
(9%)
Non-Essential  
Alanine (mg) 43
102
145
Aspartic acid (mg) 72
508
580
Betaine (mg) 31
--
31
Glutamic acid (mg) 103
206
309
Hydroxyproline (mg) --
--
0
Serine (mg) 31
117
148
Lysine to Arginine Ratio of All Selected Foods: 1.15
Data Source
Raw Spinach
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.
Raw Sweet Potatoes
USDA Food Data Central Standard Release (Common)Omega-6 data was extrapolated from undifferentiated-Octadecadienoic Acid (18:2) acid.