Life Extension

D, L-Phenylalanine 500 mg

F
N+ Score46
ProteinServing: 1 Vegetarian Capsule(s)Type: Amino acid/Protein

D, L-Phenylalanine 500 mg by Life Extension provides 500mg of DL-Phenylalanine per vegetarian capsule. This amino acid supplement is formulated for daily intake. It has an N+ Score of 46.

About This Product

D, L-Phenylalanine 500 mg by Life Extension is a protein supplement containing 1 active ingredients. It has earned an N+ Score of 46/100 (Grade F).

N+ Score Breakdown

Ingredient Adequacy50/100

Are key ingredients present at clinically effective doses based on research?

Formula Completeness0/100

Does the product include all expected ingredients for its supplement category?

Label Transparency100/100

Are individual ingredient amounts clearly disclosed without proprietary blends?

Ingredient Diversity44/100

Does the formula include a breadth of beneficial compounds from multiple pathways?

Strengths

  • +Fully transparent label with individual ingredient amounts disclosed

Weaknesses

  • Missing several expected ingredients for its category

Ingredient Analysis (1 ingredients)

IngredientAmountDose Adequacy
DL-Phenylalanine500.000 mgN/A

Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.