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l-phenylalanine

L-Phenylalanine to support brain function, cognition and improve motivation

Focuson Nootropic Ingredient: L-Phenylalanine | Information

The left molecular form of the essential amino acid Phenylalanine which is a precursor to the powerful neurotransmitter involved with motivation and mood elevation. The synthesis progresses from Phenylalanine to Tyrosine to Dopa, to Dopamine to Norepinephrine.

  • Commonly used to treat depression and ADHD
  • Reputed for its analgesic and antidepressant effects
  • A precursor to neurotransmitter
  • A precursor to neurotransmitter Only form of phenylalanine found in proteins
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What else is L-Phenylalanine used for:

It is used in the manufacture of food and drink products and sold as a nutritional supplement for its reputed analgesic and antidepressant effects. L-Phenylalanine is also used for depression, attention deficit-hyperactivity disorder (ADHD), Parkinson's disease, chronic pain, osteoarthritis, rheumatoid arthritis, alcohol withdrawal symptoms.

How long has it been used for:

The first description of phenylalanine was made in 1879, when Schulze and Barbieri identified a compound with the empirical formula, C9H11NO2, in yellow lupine (Lupinus luteus) seedlings.

How does it work:

The body uses phenylalanine to make chemical messengers, but it is not clear how phenylalanine might work.

Natural sources of L-Phyenlalanine

L-phenylalanine is an essential amino acid and is the only form of phenylalanine found in proteins. Major dietary sources of L-phenylalanine include meat, fish, eggs, cheese, and milk.

Are there any side effects of using phenylalanine?

Phenylalanine can cause tardive dyskinesia in people taking antipsychotic medicines.

If taken with certain antidepressants, this supplement could lead to:

  • Hypomania
  • Constipation
  • Insomnia
  • Higher blood presure