Source Naturals DLPA DL-Phenylalanine, Supports an Alert State* - 375mg - 120 Tablets
Stock Expiry Date*: 04-02-2027
Made in the USA
100% Authentic — Sourced directly from manufacturers or their authorized dealers!
- dl-Phenylalanine, or DLPA, may support healthy levels of endorphins and enkephalins.*
- l-Phenylalanine is also a precursor to the mood-related neurotransmitter dopamine.*
- Suggested Use: 1 to 2 tablets 1 to 2 times daily.
- Trusted Brand Heritage: Over 40 Years of Trust. Source Naturals was created in 1982 by CEO Ira Goldberg to support everyone's potential to enjoy optimal health.
- Manufactured under the Good Manufacturing Practices (cGMPs) established by the US Food and Drug Administration (FDA).
| Ingredients | Sorbitol, Magnesium Stearate, Silica, Stearic Acid, Calcium (as Dibasic Calcium Phosphate), and modified cellulose gum., dl-Phenylalanine. Other ingredients: dibasic calcium phosphate |
| Ingredients | Tea, Stearate, Silica, Phenylalanine, Sorbi-Tol, Hydroxypropyl Cellulose, Cellulose Gum |
| Brand | Source Naturals |
| Flavor | Unflavored |
| Unit Count | 120.0 Count |
| Item Form | Tablet |
| Item Weight | 4.16 Ounces |
| Product Benefits | Brain Health Support |
| Age Range (description) | Adult |
| Number Of Items | 1 |
| Dosage Form | Tablet |
| Primary Supplement Type | DL-Phenylalanine |
| Diet Type | Gluten Free |
| Manufacturer | Threshold Enterprises |
| Item Dimensions L X W X H | 5.91 X 3.94 X 3.94 Inches |
| Product Type | Blended Vitamin & Mineral Supplements |
| Special Ingredients | Dl-Phenylalanine |
| Upc | 021078001638 |
| Global Trade Identification Number | 00021078001638 |
| Product Type | Nutritional Supplement |
| Supplement Formulation | Individual Supplement |
| Pill Coating | Uncoated |
| Brand Name | Source Naturals |
| Age Range Description | Adult |
| Container Type | Bottle |
| Manufacturer Part Number | SN0163 |
| Total Servings Per Container | 60.0 |
| Model Number | SN0163 |
| Item Dimensions | 2.01 x 2.01 x 3.8 inches |
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SKU |
BRSWIYT3OMAGAAIV |
Category |
Vitamins, Minerals & Supplements , Blended Vitamin & Mineral Supplements |
Barcode |
021078001638 |
Tags |
DL-Phenylalanine, or DLPA, is a 50/50 mixture of the D- and L- forms of the amino acid phenylalanine (phenylalanine is one of the few aminos that can be utilized in its D form). Researchers believe that D-phenylalanine (DPA) inhibits the action of an enzyme that breaks down endorphins and enkephalins. These are proteins that bind to opioid receptor sites in the brain, thereby influencing the perception of discomfort. By obstructing the action of this enzyme, DPA may extend the life of endorphins and enkephalins and their positive influence on comfort levels. L-Phenylalanine is the precursor to two neurotransmitters that help support an alert state. The suggested use is to take 1 to 2 tablets 1 to 2 times daily. Please contact our in-house customer support if you have any questions.
Important information
Safety Information
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. WARNING: Contains phenylalanine. Not to be used by phenylketonurics, women who are pregnant, may become pregnant, or breastfeeding, or with antidepressant drugs such as MAOIs or SSRIs. If you have chronic high blood pressure, take after meals and/or consult your health care professional. Do not use if either tamper-evident seal is broken or missing. Keep out of the reach of children.
Indications
Please See Manufacturer’s Label
Ingredients
Calcium (as dibasic calcium phosphate), dl-Phenylalanine. Other ingredients: dibasic calcium phosphate, sorbitol, stearic acid, magnesium stearate, silica, and modified cellulose gum.
Directions
Suggested Use: 1 to 2 tablets 1 to 2 times daily.
Legal Disclaimer
Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
Product Dimensions
2.01 x 2.01 x 3.8 inches; 4.16 ounces
Shipping & Delivery
At Nutricity, we aim to deliver your order as quickly and safely as possible.
Domestic Shipping :
Orders are typically delivered within 3–6 business days.
International Shipping:
Estimated delivery time is 12–26 business days, depending on the destination and customs processing.
You will receive a tracking number once your order has been dispatched. Delivery times may vary during holidays or due to unforeseen delays.
Disclaimer
Dietary supplements are not medicines. Products sold on this website are not intended to diagnose, treat, cure, or prevent any disease. If you have a medical condition then always consult a qualified healthcare professional before use. Individual results may vary. By placing an order, you agree to comply with your country’s import regulations. We cover applicable duties and taxes where stated.
*Expiry Date Information:
Please note that the expiry date may vary from batch to batch. However, we guarantee that all products shipped to our customers have a valid shelf life and will not be expired at the time of delivery.









