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) · 1–3 per day

Not Present

• 

  Nutricost L-Phenylalanine Capsules

  iHerb4.7(218)

  $12.95
• 

  Nutricost L- Tryptophan Capsules

  iHerb4.6(1700)

  $15.95
• 

  Now Foods L-Phenylalanine 500 mg 120 Veg Capsules

  Walmart - Discount Nutrition Store4.7(808)

  $13.99
• 

  L-Phenylalanine Powder

  Nootropics Depot

  $14.99
• 

  Vitacost DLPA DL-Phenylalanine 500 mg 60 Capsules

  Walmart - iHerb4.5(29)

  $6.89Lowest
• 

  Source Naturals L-Phenylalanine 500 mg 50 Tablets

  Instacart5.0(1)

  $13.89
• 

  L-Phenylalanine 500mg (120 Vegetarian Capsules)

  Walmart - BESTVITE INC4.6(5)

  $14.99
• 

  L-Phenylalanine-500MG-Ffa

  Aylward's 2 Health Food

  $13.75

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

• ITL Health

  5.0 (37)

  Vitamin & Supplements Shop

  50 Broadway, London SW1H 0BL

  Directions0118 321 7628

• RightNutri

  4.9 (78)

  Vitamin & Supplements Shop

  26 Queenstown Rd, London SW8 3RX

  Directions0800 098 8888

• British Supplements

  3.4 (274)

  Vitamin & Supplements Shop

  34, New House, 67-68 Hatton Garden, London EC1N 8JY

  Directions07768 405406

• London Supplements

  3.7 (84)

  Vitamin & Supplements Shop

  13, Waverley Industrial Park Waverley Industrial Estate, Hailsham Dr, Harrow HA1 4TR

  Directions020 8863 0300

• Fitandfat

  5.0 (321)

  Vitamin & Supplements Shop

  Inside the post office, 187 Uxbridge Rd, London W13 9AJ

  Directions020 8050 1277

• Supplemented

  4.7 (192)

  Vitamin & Supplements Shop

  Online Retail Ltd Box 1031A, Surbiton, Kingston upon Thames KT1 9AH

  Directions

• Charge Products

  3.0 (2)

  Vitamin & Supplements Shop

  Office 1, Charge Products, Industrial Estate, Unit 1, 8 Towerfield Rd, Towerfield Cl, Southend-on-Sea SS3 9QE

  Directions07968 951185

• The Formula Supplements Ltd

  5.0 (1)

  Health food shop

  128 City Rd, London EC1V 2NX

  Directions07537 917763

• 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

• Nutricost L-Phenylalanine

  MD Page, B Offers - priceplow.com

  … serotonin levels L-Phenylalanine is used as a progressive form of supplementation on treating … Use L-Phenylalanine to provide a bigger ration of these free hormones and find relief for …

• Preliminary investigation to review if a glycomacropeptide compared to L-amino acid protein substitute alters the pre-and postprandial amino acid profile in …

  A Daly, S Evans, A Pinto, R Jackson, C Ashmore… - Nutrients, 2020 - mdpi.com

  … Healthy volunteers ingested one of three protein sources: AAs, a mixture of 75% AA with 25… health outcomes for patients reliant on protein substitutes for their main source of nitrogen. …

  20208 citations

• Association of phenylalanine and tyrosine metabolism with mortality and response to nutritional support among patients at nutritional risk: a secondary analysis of the …

  LC Buchmueller, C Wunderle, R Laager… - Frontiers in …, 2024 - frontiersin.org

  … elevated compared to those of a healthy French cohort (45). … that additional tyrosine supplementation was associated with … of whether tyrosine supplementation impacts survival rates. …

  202412 citations

• Evaluation of the physicochemical and sensory properties of branched‐chain amino acid‐fortified perilla mousse after retort sterilisation as a dysphagia diet

  HJ Jeon, SY Hwang, WS Shin - International Journal of Food …, 2024 - Wiley Online Library

  … The disorder causes malnutrition and sarcopenia, as well as other health … 911.87 mg of BCAAs and in total, over 1000 mg of essential amino acids, suggesting that this supplementation …

  20241 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2020-06-24. DSLD Label ID: 223404. 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.