What is phenylalanine and is it bad for you?
Phenylalanine can cause intellectual disabilities, brain damage, seizures and other problems in people with PKU . Phenylalanine occurs naturally in many protein-rich foods, such as milk, eggs and meat. Phenylalanine is also sold as a dietary supplement.
What is the purpose of phenylalanine?
Phenylalanine is an essential amino acid that is used to produce proteins and signaling molecules. It has been studied as a treatment for several medical conditions but is dangerous for those with a specific genetic disorder.
What are the side effects of phenylalanine?
Side effects may include: Heartburn . Fatigue. Nausea . Constipation. Dizziness. Headache . Anxiety and hypomania (a milder form of mania) Sedation.
What foods are high in phenylalanine?
Phenylalanine is found in most protein-containing foods such as milk , eggs, cheese, nuts, soybeans, chicken, beef, pork, beans and fish.
Does phenylalanine help with weight loss?
Early research suggests that taking phenylalanine by mouth might improve phenylalanine deficiency in children with tyrosinemia. Weight loss . Early research shows that phenylalanine does not reduce hunger in people who are obese or overweight.
How does phenylalanine affect the brain?
The high plasma phenylalanine concentrations increase phenylalanine entry into brain and restrict the entry of other large neutral amino acids. In the literature, emphasis has been on high brain phenylalanine as the pathological substrate that causes mental retardation.
What happens when phenylalanine accumulates in the body?
Phenylalanine is an essential nutrient, but some individuals are born with a genetic disorder, phenylketonuria (PKU), that prevents them from metabolizing phenylalanine , and, if untreated, phenylalanine accumulates in the body , becomes converted into phenylpyruvate, and the individual usually develops seizures, brain
Does phenylalanine raise blood sugar?
Conclusion: In summary, phenylalanine in an amount moderately greater than that in a large protein meal stimulates an increase in insulin and glucagon concentration. It markedly attenuates the glucose-induced rise in plasma glucose when ingested with glucose.
Is L phenylalanine the same as aspartame?
The ingredients of aspartame are aspartic acid and phenylalanine . Both are naturally occurring amino acids. Aspartic acid is produced by your body, and phenylalanine is an essential amino acid that you get from food. When your body processes aspartame , part of it is broken down into methanol.
Why is aspartame bad for you?
Because aspartame interferes with metabolism, it can trigger metabolic syndrome. Phenylketonuria: Individuals with a metabolic disease called phenylketonuria cannot process aspartame , so levels build up in them and may cause complications. Cancer: There are claims stating that aspartame has carcinogenic potential.
When should I take phenylalanine?
Phenylalanine should be taken between meals, because protein found in food may compete for uptake of phenylalanine into the brain, potentially reducing its effect. D- phenylalanine has been used with mixed results to treat chronic pain, including pain caused by rheumatoid arthritis.
Can phenylalanine cause insomnia?
Aspartame (α-aspartyl-l- phenylalanine -o-methyl ester), an artificial sweetener, has been linked to behavioral and cognitive problems. Possible neurophysiological symptoms include learning problems, headache, seizure, migraines, irritable moods, anxiety, depression, and insomnia .
Does Coca Cola contain phenylalanine?
Some of our reduced and no sugar, no calorie drinks like Diet Coke and Coca ‑ Cola Zero Sugar are sweetened with aspartame, which contains a source of phenylalanine , and so all our products are carefully labelled to make this clear.
What foods do not contain phenylalanine?
Foods such as meat, fish, eggs, milk, cheese, nuts and pulses are excluded as they contain high levels of phenylalanine. Vegetables and fruit are allowed in measured amounts only!
Does chocolate have phenylalanine?
Chocolate contains an amino acid, phenylalanine , which is involved in making dopamine, a neurotransmitter that can regulate mood. It stimulates your metabolism and nervous system, which could be why some people turn to chocolate when feeling low.