Source Naturals Free Form L-Phenylalanine Description
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An Essential Amino Acid
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Suitable for Vegetarians
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Hypoallergenic
L-Phenylalanine, an essential amino acid, is a precursor of the amino acid tyrosine, and a whole series of neurotransmitters and hormones. Phenylalanine is first converted to tyrosine, which becomes L-dopa, which converts to norepinephrine, a key neurotransmitter and an adrenal hormone. L-Phenylalanine is also a direct precursor of PEA (phenylethylamine), another important neurotransmitter.
Yeast, dairy, egg, gluten, corn, soy, wheat, sugar, starch, salt, preservatives, or artificial color, flavor, or fragrance
| Amount Per Serving | % Daily Value | |
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| Calcium | 99 mg | 10% |
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| L-Phenylalanine | 1 g | * |
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