DL-Phenylalanine®

Amino Acids & Protein

Brand: DC

CapsuleAmino acid/ProteinOn Market
Click to view full label

Net Contents

90 Capsule(s)

Serving Size

2 Capsule(s)

Servings Per Container

45

Supplement Form

Capsule

Bar Code (UPC/SKU)

Not specified

Product Version

#257 Rev. #05

Label Analysis

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

1Active Ingredients

Single-ingredient formula listed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

2Dietary Attributes

Label states: Gluten-Free, Kosher.

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
  • Fish
  • Wheat
  • Soy

Free From

  • 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: 2 Capsule(s) · 1 per day

IngredientAmount Per Serving
Phenylalanine(DL-Phenylalanine)1000 mg—

Not Present

Other Ingredients

GelatinVegetable CelluloseVegetable Magnesium StearateSilica

Target Groups

Adult (18 - 50 Years)KosherWomen (not pregnant or lactating)Gluten FreeDairy FreeSugar Free

Label Claims

NutrientAll Other

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Directions: As a dietary supplement, take 2 capsules 15-30 minutes before morning and evening meals.

Warnings & Precautions

Precautions re: All Other

Tamper Evident: Do not use this product if imprinted foil seal under cap is broken or missing.

Precautions re: Children

Keep out of reach of children.

Precautions re: Pregnant or Nursing or Prescription Medications

Caution: If you are pregnant or nursing do not take this product.

Precautions re: Allergies

Phenylketonurics: Contains phenylalanine.

Storage

Storage

Keep tightly closed. Store at room temperature: 59 degrees - 86 degrees F (15 degrees to 30 degrees C).

Formulation

Formulation re: Other

A racemic mixture consisting of equal parts of the D and L forms of Phenylalanine. Do not be misled by imitations or substitutions.

Formulation re: Other

Mfg. in an FDA Registered Facility using Good Manufacturing Practices (GMPs)

Formula re: Contains

Phenylalanine is an essential amino acid.

Formulation re: Other

Conforms to USP <2091> for weight. Meets USP <2040> disintegration for maximum bioavailability.

Formulation re: Does NOT Contain

Contains no artificial color, flavor, sweetener, preservatives, sugar, starch, milk, lactose, soy, wheat, yeast, fish and is sodium free. Gluten free

Formula re: Kosher

Ko Kosher Service

Formulation re: Other

Made in USA

FDA Statements

FDA Statement of Identity

Dietary Supplement

Other Label Statements

General Statements: All Other Content

Was a tablet now a capsule

Seals/Symbols

Quali Pure

Seals/Symbols

Ko Kosher Service

Manufacturer & Distributor

Manufacturer

Dee Cee Laboratories, Inc.

304 Dee Cee Rd., White House, TN, 37188

Market Reference

$0.98 – $655.91· 40 listings
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    Pure For You4.6(28)
    $35.50
  • Phenylalanine Crystalline Amino Acid Combination

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    $23.99
  • BulkSupplements DL-Phenylalanine Powder

    Target4.9(11)
    $20.97
  • DL-Phenylalanine Capsules

    Nootropics Depot5.0(2)
    $14.99
  • Life Extension D,L-Phenylalanine Capsules

    iHerb4.7(501)
    $14.25
  • Carlson DL-Phenylalanine DLPA 60 Capsules

    Walmart - Highland Health Foods4.5(153)
    $14.07
  • Swanson DL-Phenylalanine 500 mg 100 Caps

    Swanson Health Products4.7(248)
    $12.59
  • Now L-Phenylalanine 500 mg

    iHerb4.7(804)
    $12.24

Where to Buy Locally

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.

  • The Vitamin Shoppe

    4.4 (167)

    Vitamin & supplements store

    6921 W Newberry Rd, Gainesville, FL 32605

  • Branford Nutrition

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    Vitamin & supplements store

    804 Suwannee Ave NW, Branford, FL 32008

  • B12 RX & MORE

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    6419 W Newberry Rd F9 Unit F9, Gainesville, FL 32605

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    5.0 (8)

    Vitamin & supplements store

    24974 SW 4th Ave Ste 4, Newberry, FL 32669

  • Nutrition Health Center

    4.8 (18)

    Health food store

    2057 SW Main Blvd #105, Lake City, FL 32025

  • Sunflower Health Foods

    4.7 (151)

    Vitamin & supplements store

    3424 W University Ave, Gainesville, FL 32607

  • GNC

    4.0 (27)

    Vitamin & supplements store

    6379 W Newberry Rd, Gainesville, FL 32605

  • Gator Nutrition

    4.5 (29)

    Sports nutrition store

    2122 SW 34th St, Gainesville, FL 32608

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

    … of L-phenylalanine and DL-phenylalanine and is based on … and DL-phenylalanine are ingredients in food supplements sold … novel information on adverse health effects related to intake …

    20202 citations
  • Emerging therapeutic and cosmeceutical applications of phenylalanine and its metabolites

    Z Liao, T Parumasivam, Z Xiao, X Zhu… - Cutaneous and …, 2026 - Taylor & Francis

    Objective This review aims to comprehensively examine and integrate the extant knowledge pertaining to phenylalanine (Phe) and its key metabolites, namely tyrosine (Tyr), …

    2026
  • Nutrient intakes and physical growth of children with phenylketonuria undergoing nutrition therapy

    PB Acosta, S Yannicelli, R Singh, S Mofidi… - Journal of the American …, 2003 - Elsevier

    … medical food supplying 3.12 g protein equivalent/100 kcal, although crown-heel length and weight centiles declined in 13 infants receiving medical … infants receiving medical food with …

    2003153 citations
  • LG839: anti-obesity effects and polymorphic gene correlates of reward deficiency syndrome

    K Blum, ALC Chen, TJH Chen, P Rhoades… - Advances in …, 2008 - Springer

    … a chronic, multifactorial medical disease of energy metabolism … rules under the Dietary Supplements Health and Education Act of … The basic components consist of Dl-phenylalanine, L-…

    200869 citations
  • Total 5-HTP™: Nutritional Support for Normal Weight, a Good Night's Sleep, And Brain Balance for Mental Health

    DC John Brimhall, S Cooter

  • An overview of phenylalanine and tyrosine kinetics in humans

    DE Matthews - The Journal of nutrition, 2007 - academic.oup.com

    … was formed in livers perfused with DL-phenylalanine and assumed that phenylalanine … They added deuterated DL-phenylalanine to a casein-containing diet given to both growing …

    2007232 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2021-02-25. DSLD Label ID: 244486. 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.