Amino Acids

Phenylalanine

2-amino-3-phenylpropanoic acid beta-phenylalanine hydrochloride dlpa dl-phenylalanine l-phenylalanine l-phenylalanine hydrochloride l-phenylalanine methyl ester hydrochloride l-phenylalanine, micronized l-phenylalanine monohydrate l-phenylalanine orotate l-phenylalanine, powder micronized l-phenylalanine micronized phenylalanine phenylalanine phenylalanine, micronized
1 form

Official resources

Fact sheets from the NIH Office of Dietary Supplements related to this ingredient group.

Dietary Supplement Label Database

Ingredient group data in NutriNav is aligned with the NIH Dietary Supplement Label Database (DSLD).

DSLD group id
1580

Compare All Forms

1 form

Compare supplement forms of Phenylalanine by absorption quality and what your body actually gets from each:

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Form Absorption Steps to absorb Notes Action
Phenylalanine — — — View →

Type: Amino Acids

Building blocks of proteins. Essential amino acids must be obtained from diet, while non-essential can be synthesized by the body.

Absorption: Amino acids are generally well-absorbed. Some forms (like citrulline) are more effective than others (like arginine).

Interactions: Generally safe but high doses can cause digestive issues. Some amino acids can affect neurotransmitter levels.