Phenylalanine is an amino acid, which is a protein's "building block."

2-amino-3-phenyl-propanoic acid, Acide Alpha-aminohydrocinnamique, Acide Isovalérique de Phénylalanine, Alpha-aminohydrocinnamic Acid, Beta-phenyl-alanine, Bêta-phenyl-alanine, DLPA, D-Phenylalanine, D-Phénylalanine, DL-Phenylalanine, DL-Phénylalanine, D,L-Phenylalanine, D,L-Phénylalanine, Fenilalanina, L-Phenylalanine, L-Phénylalanine, Phenylalanine Ethyl Ester HCl, Phenylalanine Isovaleric Acid, Phenylalanine Methyl Ester HCl.



OVERVIEW

Phenylalanine is an amino acid, which is a protein's "building block." D-phenylalanine, L-phenylalanine, and a laboratory mix called DL-phenylalanine are the three types of phenylalanine. D-phenylalanine is not a necessary amino acid, and its function in humans is unknown. L-phenylalanine is the sole form of phenylalanine found in proteins and is an essential amino acid.Meat, fish, eggs, cheese, and milk are all good sources of L-phenylalanine.

Depression, attention deficit hyperactivity disorder (ADHD), Parkinson's illness, chronic pain, osteoarthritis, rheumatoid arthritis, alcohol withdrawal symptoms, and vitiligo are all conditions treated with phenylalanine.

For vitiligo, some people use Methyl Ester HCl straight on the skin


USES & EFFECTIVENESS

Possibly Effective for...

  • Vitiligo is a condition that affects the skin. Taking L-phenylalanine by mouth in conjunction with UVA radiation or applying L-phenylalanine to the skin in conjunction with UVA exposure appears to be effective in the treatment of vitiligo in adults and children.

Possibly Ineffective for...

  • Attention deficit hyperactivity disorder (ADHD): is a type of attention deficit hyperactivity disorder (AD (ADHD). According to some research, patients with ADHD have reduced levels of amino acids like phenylalanine, hence giving phenylalanine could help treat ADHD. Taking phenylalanine by mouth, on the other hand, does not appear to have any effect on ADHD symptoms.
  • Pain: It is not necessary to take D-phenylalanine by mouth to relieve pain.






Insufficient Evidence to Rate Effectiveness for...

  • Anesthesia with acupuncture: Early research showed that ingesting D-phenylalanine orally could improve acupuncture anaesthetic during tooth extraction. It does not appear to improve acupuncture anaesthesia for back pain, though.
  • Alcoholism: Early research suggests that taking a 40-day course of D-phenylalanine, L-glutamine, and L-5-hydroxytryptophan can help with some alcohol-related symptoms.
    • Depression: L-phenylalanine or DL-phenylalanine may be beneficial for depression, according to limited clinical research conducted in the 1980s. However, this research has to be validated. Taking D-phenylalanine does not appear to improve symptoms of depression.
  • Multiple sclerosis is a disease that affects people of all ages: Cari Loder's 24-week regimen, which contains L-phenylalanine, lofepramine, and intramuscular vitamin B12, appears to have no effect on impairment in persons with multiple sclerosis, according to preliminary studies.
  • Parkinson's disease is a neurological disorder. According to limited research, consuming one type of phenylalanine (D-phenylalanine) may help with Parkinson's disease symptoms. Taking a different version (DL-phenylalanine) does not appear to help.
  • Deficiency in phenylalanine. Early research suggests that ingesting phenylalanine by mouth may help children with tyrosinemia overcome their phenylalanine shortage.
  • Arthritis.








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