L-Phenylalanine 500 mg®
Amino Acids & ProteinBrand: Douglas Laboratories
Net Contents
90 Capsule(s)
Serving Size
1 Capsule(s)
Servings Per Container
90
Supplement Form
Capsule
Bar Code (UPC/SKU)
3 10539 01741 8
Product Version
Formula #7945
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
Single-ingredient formula listed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Allergen Guide
Contains
- Milk
- Wheat
- Soy
- Gluten
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.
Supplement Facts
Serving Size: 1 Capsule(s) · 1 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| L-Phenylalanine | 500 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Suggested Usage: As a dietary supplement, adults take 1 capsule daily or as directed by your healthcare professional.
Warnings & Precautions
Precautions re: Children
KEEP OUT OF REACH OF CHILDREN.
Precautions re: Pregnant or Nursing or Prescription Medications
If you are pregnant, nursing, or taking any prescription medications or have Parkinson's disease consult with a physician before using this product. Use of this product should be limited to less than 2 grams per day.
Precautions re: All Other
Tamper resistant package, do not use if outer seal is missing.
Precautions re: All Other
Warning: PHENYLKETONURICS: CONTAINS PHENYLALANINE. Do not use if you have phenylketonuria (PKU). If you are pregnant, nursing, or taking any prescription medications or have Parkinson's disease consult with a physician before using this product. Use of this product should be limited to less than 2 grams per day.
Storage
Storage
For optimal storage conditions, store in a cool, dry place. (59(0) - 77(0)F/15(0) - 25(0)C) (35-65% relative humidity)
Formulation
Formulation re: Does NOT Contain
This product contains NO yeast, wheat gluten, soy protein, milk/dairy, corn, sodium, sugar, starch, artificial coloring, preservatives or flavoring.
FDA Statements
FDA Statement of Identity
A Dietary Supplement
Other Label Statements
General: Product/Version Code
Formula #7945
Manufacturer & Distributor
Manufacturer
Douglas Laboratories
Pittsburgh, PA, 15205
Where to Buy Locally
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Nutrimart Poway - Supplement Store San Diego
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12642 Poway Rd, Poway, CA 92064
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Research & Studies
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 citationsHeterologous production of curcuminoids
JL Rodrigues, KLJ Prather, LD Kluskens… - Microbiology and …, 2015 - journals.asm.org
… 23), these compounds present several properties that are beneficial to human health (Table … the yeast Rhodotorula rubra, which converts l-phenylalanine to cinnamic acid. This enzyme …
2015119 citationsProtein and amino acid nutrition
A Albanese - 2012 - books.google.com
… In three, supplements to their diets were used in the form of 10 mg. and 50 mg. of … of the nitrogen depletion effects of the corticoids can be achieved in part by protein supplementation of …
2012137 citationsAutophagy induction by tetrahydrobiopterin deficiency
SS Kwak, J Suk, JH Choi, S Yang, JW Kim, S Sohn… - Autophagy, 2011 - Taylor & Francis
… 16-y-old male who received regular BH 4 replacement therapy (400 mg/day) immediately after their birth. Medical records disclosed that both patients were BH 4 -deficient due to PTPS …
201121 citationsDeficiency of dietary EAA preferentially inhibits mRNA translation of ribosomal proteins in liver of meal-fed rats
TG Anthony, AK Reiter, JC Anthony… - American Journal …, 2001 - journals.physiology.org
The goal of these studies was to investigate the mechanisms by which amino acid supply regulates global rates of protein synthesis as well as the translation of ribosomal protein (rp) …
2001136 citationsEndogenous caloric sources and nitrogen balance: regulation in postoperative patients
AB Gazzaniga, AT Day, RH Bartlett… - Archives of …, 1976 - jamanetwork.com
… production were deter¬ mined daily by the Douglas bag method of collection. Oxygen and … ( ± 12.1) mg/100 ml on the first postoperative day and gradually returned toward normal by the …
197619 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2012-02-23. DSLD Label ID: 5352. 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.
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