Phenylalanine in Lettuce, butterhead (includes boston and bibb types), raw

0.1 g

RDA: 2.31 g/day. Source RDA is for phenylalanine + tyrosine combined (interconvertible amino acids). USDA reports each separately, so this percentage is suppressed. See methodology #amino-acid-combined-rda.

Also high in Vitamin K > 96% Folate > 82% Calcium > 62% Full food profile

All tracked nutrients in this food

Nutrient Per 100g Percentile
Vitamins
Vitamin K 102.3 µg
> 96%
Folate 73.0 µg
> 82%
Minerals
Calcium 35.0 mg
> 62%
Manganese 0.2 mg
> 61%

Top sources of Phenylalanine

Egg, white, dried, powder, stabilized, glucose reduced 5.2 g Egg, white, dried, stabilized, glucose reduced 5.1 g Egg, white, dried, flakes, stabilized, glucose reduced 4.8 g Egg, white, dried 4.7 g Soy protein isolate 4.6 g Soy protein isolate, potassium type 4.6 g Soy protein concentrate, produced by alcohol extraction 3.3 g Soy protein concentrate, produced by acid wash 3.3 g Seal, bearded (Oogruk), meat, dried (Alaska Native) 3.3 g Seeds, cottonseed flour, low fat (glandless) 3.1 g
See full Phenylalanine rankings Vegetables rankings
Phenylalanine in foods Lettuce, butterhead (includes boston and bibb types), raw Per 100g · USDA FoodData Central