L-Phenylalanine 500 mg®

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Serving Size: 1 Capsule(s) · 1–3 per day

Not Present

• 

  Now L-Phenylalanine 500 mg

  iHerb4.7(804)

  $12.24
• 

  Nutricost L-Phenylalanine Capsules

  Walmart - eSupplements, llc4.7(210)

  $10.36
• 

  L-Phenylalanine Brain & Skin Health Support Powder

  Walmart - BulkSupplements.com4.8(21)

  $25.97
• 

  Life Extension D,L-Phenylalanine Capsules

  DPS Nutrition4.7(501)

  $14.26
• 

  Solaray L-Phenylalanine 500 mg 60 Capsules

  Target4.8(32)

  $16.99
• 

  L-Phenylalanine 500mg (120 Vegetarian Capsules)

  Walmart - BESTVITE INC4.6(5)

  $14.99
• 

  Swanson DL-Phenylalanine 500 mg 100 Caps

  iHerb4.7(248)

  $12.59
• 

  Source Naturals L-Phenylalanine 500 mg Tablets

  Herbs Direct4.7(122)

  $10.52

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• Nutrition City - Vitamins & Supplements Store

  4.7 (159)

  Vitamin & supplements store

  2108 Lyndale Ave S, Minneapolis, MN 55405

  Directions(612) 871-7171

• The Vitamin Shoppe

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  Vitamin & supplements store

  6996 France Ave S Ste 200, Minneapolis, MN 55435

  Directions(952) 929-1682

• Mastel's Health Foods

  4.8 (157)

  Vitamin & supplements store

  1526 St Clair Ave, St Paul, MN 55105

  Directions(651) 690-1692

• Great Health Nutrition

  5.0 (26)

  Vitamin & supplements store

  1360 University Ave W, St Paul, MN 55104

  Directions(651) 645-2315

• Real Food Vitamins

  1.0 (1)

  Vitamin & supplements store

  2751 Hennepin Ave S, Minneapolis, MN 55408

  Directions(612) 326-5352

• GNC

  4.8 (36)

  Vitamin & supplements store

  5559 W Broadway Spc #5559, Crystal, MN 55428

  Directions(952) 248-7876

• ADVANCED

  4.8 (104)

  Vitamin & supplements store

  6200 Bury Dr, Eden Prairie, MN 55346

  Directions(612) 367-7894

• GNC

  3.9 (40)

  Vitamin & supplements store

  94 W 66th St, Richfield, MN 55423

  Directions(612) 869-9295

• Treatment of mitochondrial phenylalanyl-tRNa-Synthetase deficiency (FARS2) with oral phenylalanine

  SL Oswald, K Steinbrücker, MT Achleitner… - …, 2023 - thieme-connect.com

  … further studies both on L-phenylalanine for other individuals with FARS2 … Her parents and her older brother have no medical … Nonetheless, we choose to publish our data now in order to …

  202317 citations

• Neuroprotective action of halogenated derivatives of L-phenylalanine

  T Kagiyama, AV Glushakov, C Sumners, B Roose… - Stroke, 2004 - ahajournals.org

  … /L versus 55 to 60 μmol/L in healthy subjects) cause the neurological disease PKU. The … 1 week in treated PKU patients and healthy volunteers only caused reversible impairment of …

  200455 citations

• Secondary BH4 deficiency links protein homeostasis to regulation of phenylalanine metabolism

  A Eichinger, MK Danecka, T Möglich… - Human Molecular …, 2018 - academic.oup.com

  … regulated by the ratio of l-phenylalanine, which is substrate of … administration have been studied in healthy subjects (36) as … of therapeutic BH 4 supplementation on biopterin levels in …

  201828 citations

• Development of pegylated forms of recombinant Rhodosporidium toruloides phenylalanine ammonia-lyase for the treatment of classical phenylketonuria

  …, CN Sarkissian, L Wang, W Kim, M Straub, MG Patch… - Molecular Therapy, 2005 - cell.com

  … activity and disposal of l-phenylalanine from the normal diet. … formulations is published as supplementary information. We … Animal health status was monitored continuously. On days 0, …

  200580 citations

• Acceptable daily intake vs actual intake: the aspartame example.

  HH Butchko, FN Kotsonis - Journal of the American College of …, 1991 - Taylor & Francis

  … ADI of 40 mg/kg/day by the World Health Organization and … that APM (L-aspartyl-L-phenylalanine methyl ester) is metabolized by … The 90th percentiles of consumption are the data now …

  1991108 citations

• The PAH gene, phenylketonuria, and a paradigm shift

  CR Scriver - Human mutation, 2007 - Wiley Online Library

  … introduces L-phenylalanine, and in nature, where mutations (>500 … both disease and health. Hum Mutat 28(9), 831–845, 2007. … We now know that PKU is not rare outside of Europe. …

  2007514 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2012-10-01. DSLD Label ID: 13480. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.