L-Phenylalanine is an essential aromatic amino acid. It was first synthesized in 1882, although it can be found naturally in foods like eggs, chicken, beef, dairy, and leafy greens . Phenylalanine plays an important role in the biosynthesis of several other amino acids and helps produce the neurotransmitters Dopamine, Norepinephrine, and Epinephrine .
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400-500 mg per serving
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