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 Veg Capsule(s) · 1–3 per day

Not Present

• 

  Now Foods L-Phenylalanine 500 mg 120 Veg Capsules

  iHerb4.7(807)

  $12.24
• 

  NOW L-Phenylalanine 500 mg Capsules

  Vitamart.ca5.0(2)

  $14.17
• 

  Nutricost L-Phenylalanine Capsules

  Walmart - eSupplements, llc4.7(218)

  $12.95
• 

  NOW Foods L- Tryptophan Relaxation Support Capsules

  iHerb4.6(4100)

  $13.46
• 

  DL-Phenylalanine Capsules

  Nootropics Depot5.0(2)

  $14.99
• 

  L-Phenylalanine Brain & Skin Health Support Powder

  BulkSupplements.com4.8(19)

  $25.97
• 

  L-Phenylalanine 500mg (120 Vegetarian Capsules)

  Walmart - BESTVITE INC4.6(5)

  $14.99
• 

  Swanson DL-Phenylalanine 500 mg 100 Caps

  Swanson Health Products4.7(255)

  $9.44

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• ITL Health

  5.0 (37)

  Vitamin & Supplements Shop

  50 Broadway, London SW1H 0BL

  Directions0118 321 7628

• Nutriburst

  4.6 (30)

  Manufacturer

  8 Waterloo Pl, London SW1Y 4BN

  Directions020 3943 8201

• Prodentim

  5.0 (1)

  Vitamin & Supplements Shop

  72 Regent St., London W1B 4EN

  Directions028 6745 7567

• RightNutri

  4.9 (78)

  Vitamin & Supplements Shop

  26 Queenstown Rd, London SW8 3RX

  Directions0800 098 8888

• Protiv Nutrition

  5.0 (1)

  Vitamin & Supplements Shop

  3rd Floor, 207 Regent St., London W1B 3HH

  Directions07442 915758

• Holland & Barrett - Maddox Street

  4.3 (52)

  Vitamin & Supplements Shop

  6-8 Maddox St, London W1S 1NR

  Directions0330 058 2640

• Indi Supplements

  4.3 (12)

  Vitamin & Supplements Shop

  27 Old Gloucester St, London WC1N 3AF

  Directions

• Dietapplements Limited

  4.8 (6)

  Vitamin & Supplements Shop

  27 Old Gloucester St, London WC1N 3AX

  Directions01892 506990

• Risk Assessment of" Other Substances"–L-phenylalanine and DL-phenylalanine

  L Frøyland, M Haugen, K Holvik, M Løvik… - European Journal of …, 2020 - hal.science

  … are ingredients in food supplements sold in Norway. NFSA … L-phenylalanine and DL-phenylalanine in food supplements: … adverse health effects related to intake of L-phenylalanine and …

  20202 citations

• Phenylalanine ammonia lyase, enzyme substitution therapy for phenylketonuria, where are we now?

  CN Sarkissian, A Gámez - Molecular genetics and metabolism, 2005 - Elsevier

  … The treatment regimen today is not much different. The diet … regulation of dietary l-phenylalanine intake to <500 mg/day, … Large neutral amino acid supplementation to compete with …

  2005153 citations

• Subchronic tolerance trials of graded oral supplementation with phenylalanine or serine in healthy adults

  N Miura, H Matsumoto, L Cynober, PJ Stover, R Elango… - Nutrients, 2021 - mdpi.com

  … in healthy male adults allow the authors to propose the highest tested dose (12 g/day) as a subchronic clinical NOAEL for both supplemental phenylalanine and supplemental serine. …

  202116 citations

• Role of phenylalanine and its metabolites in health and neurological disorders

  M Akram, M Daniyal, A Ali, R Zainab… - … and Role in …, 2020 - books.google.com

  … Phenylalanine is a component of food sources and also derived through supplementation. In … L-phenylalanine in combination with UVA exposure or application of L-phenylalanine in …

  202070 citations

• Protein Substitutes in PKU; Their Historical Evolution.

  A Daly, S Evans, A Pinto, C Ashmore… - …, 2021 - search.ebscohost.com

  … benefits of improved bone and gut health, nitrogen retention, and … was crude and limited but now precision manufacturing has … phenylpyruvic excretion, with L phenylalanine leading to a …

  202172 citations

• The effect of various doses of phenylalanine supplementation on blood phenylalanine and tyrosine concentrations in tyrosinemia type 1 patients

  WG van Ginkel, HE van Reemst, NS Kienstra, A Daly… - Nutrients, 2019 - mdpi.com

  … mg and 100 mg of L-phenylalanine were prepared by the pharmacy in the University Medical … concentrations while receiving 40 mg/kg/day phenylalanine supplementation, whereas all …

  201921 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2024-06-20. DSLD Label ID: 314453. 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.