Phenylalanine is an essential amino acid, meaning it cannot be produced by the body and must be obtained from the diet. It is a building block of proteins.
Scaled to body weight (WHO/FAO amino acid requirements). For a lightly active 30-year-old: a 65 kg woman and an 80 kg man.
Among plant foods, bean, yellow, mature; soy mince and soy protein concentrate, 58% protein have the most phenylalanine per serving. Among animal foods, the most are in liver; tuna and cheese, hard cheese, edam type, 24-27% fat.
Ranked from 911 foods in our catalog, one entry per food. % of daily is for a healthy adult.
Phenylalanine is an essential amino acid that plays a key role in the synthesis of proteins.
The recommended amount of phenylalanine is usually expressed as the sum of phenylalanine and tyrosine in your diet. Generally, adults should aim to consume about 33 milligrams of phenylalanine plus tyrosine per kilogram of body weight per day.
Phenylalanine can be harmful for individuals with the rare genetic disorder Phenylketonuria. People with this disease are unable to metabolize phenylalanine, leading to a buildup of this amino acid in the body, which can cause serious health issues. For the general population, phenylalanine is considered safe when consumed in moderate amounts from natural food sources.
It's important to consume phenylalanine-rich foods such as eggs, dairy products, seafood, lean meats, and certain plant-based sources like soybeans and lentils to maintain optimal levels.
Vegans can get their phenylalanine intake from plant-based sources such as soybeans, peanuts, almonds, lentils, chickpeas, quinoa, and pumpkin seeds. These foods are rich in phenylalanine and can help vegans meet their dietary requirements for this essential amino acid.
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Your daily phenylalanine
2.1 g
An estimate for healthy adults. Pregnancy, breastfeeding and medical conditions change what you need.
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