Phenylalanine
An essential amino acid that plays a key role in the production of neurotransmitters and is a precursor to tyrosine, important for brain function and mood regulation
Amino Acids
Essential
Research: Moderate
Scientific Name
L-Phenylalanine
Also Known As
L-Phenylalanine
(S)-2-Amino-3-phenylpropanoic acid
Benefits
- Neurotransmitter production (dopamine, norepinephrine, epinephrine)
- Potential mood support
- May help with certain types of pain management
- Serves as a precursor to tyrosine
Common Forms
Capsules
Tablets
Powder
Safety Notes
Contraindicated for individuals with phenylketonuria (PKU). May interact with certain antipsychotic medications, MAOIs, and levodopa. May increase blood pressure when taken in high doses. Pregnant or nursing women should avoid supplementation unless directed by a healthcare provider.
Related Products
This ingredient is found in proprietary blends used in the following products:
Types of Phenylalanine
Free-Form L-Phenylalanine
The natural, biologically active form of phenylalanine used by the body for protein synthesis and neurotransmitter production
Amino acids
Essential
Research: Moderate