---
product_id: 9753073
title: "DLPA DL-Phenylalanine, Supports an Alert State* - 375 mg -120 Tablets"
brand: "source naturals"
price: "$31.64"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/9753073-dlpa-dl-phenylalanine-supports-an-alert-state-375-mg-120
store_origin: US
region: United States of America
---

# 375 mg potency Supports alertness USA made DLPA DL-Phenylalanine, Supports an Alert State* - 375 mg -120 Tablets

**Brand:** source naturals
**Price:** $31.64
**Availability:** ✅ In Stock

## Summary

> 💥 Stay Sharp, Stay Ahead!

## Quick Answers

- **What is this?** DLPA DL-Phenylalanine, Supports an Alert State* - 375 mg -120 Tablets by source naturals
- **How much does it cost?** $31.64 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/9753073-dlpa-dl-phenylalanine-supports-an-alert-state-375-mg-120)

## Best For

- source naturals enthusiasts

## Why This Product

- Trusted source naturals brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Daily Wellness:** Convenient dosing for your busy lifestyle.
- • **Natural Comfort:** Supports endorphin longevity for a happier you.
- • **Trust in Quality:** Over 40 years of excellence in health supplements.
- • **Elevate Your Mind:** Unlock your potential with enhanced alertness.
- • **Precision Manufacturing:** Crafted under strict cGMP standards.

## Overview

Source Naturals DLPA DL-Phenylalanine is a dietary supplement designed to support an alert state of mind. Each tablet contains 375 mg of DL-Phenylalanine, a precursor to neurotransmitters that enhance mental clarity and comfort. Manufactured in the USA under stringent quality standards, this product reflects over 40 years of commitment to optimal health.

## Description

Source Naturals DLPA DL-Phenylalanine, Supports an Alert State* - 375 mg -120 Tablets

## Features

- Support An Alert State Of Mind. . 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.
- Suggested Use: 1 to 2 tablets 1 to 2 times daily.
- 375 mg Tablet Option Available: 60, 120
- 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 in the USA. Manufactured in Scotts Valley, CA, under the Good Manufacturing Practices (cGMPs) established by the US Food and Drug Administration (FDA).

## Product Details

- **Brand:** Source Naturals
- **Flavor:** Unflavored
- **Primary Supplement Type:** DL-Phenylalanine
- **Unit Count:** 120.00 Count
- **Item Form:** Tablet
- **Item Weight:** 4 ounces
- **Item dimensions L x W x H:** 5.91 x 3.94 x 3.94 inches
- **Special Ingredients:** DL-Phenylalanine and Calcium
- **Product Benefits:** Supports and Alert State of Mind*
- **Age Range (Description):** Adult

## Images

![DLPA DL-Phenylalanine, Supports an Alert State* - 375 mg -120 Tablets - Image 1](https://m.media-amazon.com/images/I/710ovgaU8CL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: How big are these pills?**
A: Not big horse pills or anything.  Maybe the size of rx ibuprofen.

**Q: What is the expiration date?**
A: That’s entirely dependent upon when you order.  Expiration dates are always different since there’s different batches being produced.

**Q: Should the pills have a strong smell?**
A: I don't remember mine smelling like anything.  They do sort of taste like aspartame, but I don't remember there being a smell.

**Q: Does this really work ?**
A: I don't really know. I take it anyway, 1 pill as soon as my morning alarm goes off.. Don't really notice a difference in being less sensitive/crying etc.  I take it with 1/2 tyrosine to give me energy. I do have more energy.

## Frequently Bought Together

- Source Naturals DLPA DL-Phenylalanine, Supports an Alert State* - 375 mg -120 Tablets
- NOW Foods Supplements, 5-HTP (5-hydroxytryptophan) 100 mg, Neurotransmitter Support*, 120 Veg Capsules
- NOW Foods Supplements, L-Tyrosine 500 mg, Supports Mental Alertness*, Neurotransmitter Support*, 120 Capsules

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**Shop now:** [https://www.desertcart.us/products/9753073-dlpa-dl-phenylalanine-supports-an-alert-state-375-mg-120](https://www.desertcart.us/products/9753073-dlpa-dl-phenylalanine-supports-an-alert-state-375-mg-120)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-01-22*