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.

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

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

Not Present

• 

  DL-Phenylalanine Pure Encapsulations

  Solutions 4 Health4.6(28)

  $35.50
• 

  Now Foods L-Phenylalanine 500 mg 120 Veg Capsules

  Walmart - iHerb4.7(808)

  $15.96
• 

  DL-Phenylalanine Capsules

  Nootropics Depot5.0(2)

  $14.99
• 

  Lamberts L Phenylalanine 500Mg 60 Caps

  HealthStuff4.0(7)

  $13.46
• 

  Nutricost L-Phenylalanine Capsules

  Walmart - eSupplements, llc4.7(218)

  $12.95
• 

  Dl-phenylalanine 500 Mg Free Form Amino Acid

  Wonder Laboratories5.0(1)

  $8.38Lowest
• 

  Life Extension D,L-Phenylalanine Capsules

  DPS Nutrition4.7(514)

  $14.26
• 

  L-Phenylalanine Brain & Skin Health Support Powder

  Walmart - BulkSupplements.com4.8(19)

  $25.97

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• Supplement Superstore

  5.0 (1389)

  Vitamin & supplements store

  8420 Eager Rd, St. Louis, MO 63144

  Directions(314) 961-3935

• PureFormulas

  4.7 (1088)

  Vitamin & supplements store

  11800 NW 102nd Rd #2, Medley, FL 33178

  Directions(800) 383-6008

• Professional Supplement Center

  3.9 (73)

  Vitamin & supplements store

  5525 Palmer Crossing Cir, Sarasota, FL 34233

  Directions(941) 487-5990

• GNC

  4.4 (92)

  Vitamin & supplements store

  753 Broadway Spc 753, New York, NY 10003

  Directions(212) 380-5999

• GNC

  4.7 (202)

  Vitamin & supplements store

  2 Pennsylvania Plaza Ste 29B, New York, NY 10121

  Directions(212) 239-1251

• Potent Health Supplements

  3.0 (2)

  Wholesaler

  10917 Fullerton Dr, Houston, TX 77043

  Directions(713) 409-7041

• Better Health International

  4.0 (21)

  Vitamin & supplements store

  6321 Porter Rd Ste 4, Sarasota, FL 34240

  Directions(941) 377-3870

• OVitaminPro

  4.4 (7)

  Vitamin & supplements store

  1801 E William St J, Carson City, NV 89701

  Directions(877) 465-0844

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

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

  … information on adverse health effects related to intake of L-phenylalanine and no information … 100, 250, 500, 750 and 1000 mg/day L-phenylalanine in food supplements are considered …

  20202 citations

• Effects of L-phenylalanine on energy intake and glycaemia—impacts on appetite perceptions, gastrointestinal hormones and gastric emptying in healthy …

  PCE Fitzgerald, B Manoliu, B Herbillon, RE Steinert… - Nutrients, 2020 - mdpi.com

  … Such studies would need to evaluate whether the effects observed in healthy people in the current study are maintained in people with obesity and/or type 2 diabetes. Moreover, since …

  202032 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

• 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

• Disorders of phenylalanine and tyrosine metabolism

  H Alsharhan, C Ficicioglu - Translational Science of Rare …, 2020 - journals.sagepub.com

  … states of the USA and many other countries in all over the world allowing early diagnosis and better health outcome as well as resulting in less economic burden on the health system. …

  202041 citations

• Decreased phenylalanine uptake and turnover in patients with vitiligo

  KU Schallreuter, B Chavan, H Rokos, N Hibberts… - Molecular genetics and …, 2005 - Elsevier

  … 90/970) had both serum l-phenylalanine levels ⩾2.0 mg/dl and phe/… In vitro l-phenylalanine uptake/turnover studies on primary … l-phenylalanine uptake and turnover compared to healthy …

  200572 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2020-08-23. DSLD Label ID: 232438. 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.