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.
Single-ingredient formula listed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
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
| Ingredient | Amount Per Serving | |
|---|---|---|
| Phenylalanine(DL-Phenylalanine) | 1000 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
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
DL-Phenylalanine Pure Encapsulations
Pure For You4.6(28)$35.50Phenylalanine Crystalline Amino Acid Combination
Prescribed For Life$23.99BulkSupplements DL-Phenylalanine Powder
Target4.9(11)$20.97DL-Phenylalanine Capsules
Nootropics Depot5.0(2)$14.99Life Extension D,L-Phenylalanine Capsules
iHerb4.7(501)$14.25Carlson DL-Phenylalanine DLPA 60 Capsules
Walmart - Highland Health Foods4.5(153)$14.07Swanson DL-Phenylalanine 500 mg 100 Caps
Swanson Health Products4.7(248)$12.59Now 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
5.0 (4)Vitamin & supplements store
804 Suwannee Ave NW, Branford, FL 32008
B12 RX & MORE
5.0 (313)Vitamin & supplements store
6419 W Newberry Rd F9 Unit F9, Gainesville, FL 32605
FIT Fuel Supplement Shop
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 citationsEmerging 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), …
2026Nutrient 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 citationsLG839: 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 citationsTotal 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.
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