---
product_id: 259907138
title: "Source Naturals L-Phenylalanine, 500mg, 50 tablets"
brand: "source naturals"
price: "€ 35.82"
currency: EUR
in_stock: true
category: "Source Naturals"
url: https://www.desertcart.gr/products/259907138-source-naturals-l-phenylalanine-500mg-50-tablets
store_origin: GR
region: Greece
---

# 500mg potent dose precursor to key neurotransmitters Made in USA quality Source Naturals L-Phenylalanine, 500mg, 50 tablets

**Brand:** source naturals
**Price:** € 35.82
**Availability:** ✅ In Stock

## Summary

> 🧠 Elevate your focus with every tablet – don’t miss out on brain-boosting brilliance!

## Quick Answers

- **What is this?** Source Naturals L-Phenylalanine, 500mg, 50 tablets by source naturals
- **How much does it cost?** € 35.82 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/259907138-source-naturals-l-phenylalanine-500mg-50-tablets)

## 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 Safe Use:** Formulated for reliable, everyday supplementation without compromise
- • **Trusted Quality:** Manufactured in the USA with strict quality controls
- • **Compact & Convenient:** 50 tablets in a travel-friendly, easy-to-dose format
- • **Pure Essential Amino Acid:** 500mg of L-Phenylalanine per tablet, vital for daily brain function
- • **Neurotransmitter Powerhouse:** Supports dopamine & norepinephrine synthesis for mental clarity

## Overview

Source Naturals L-Phenylalanine delivers a potent 500mg dose of this essential amino acid per tablet, serving as a critical precursor to neurotransmitters like dopamine and norepinephrine. Packaged in a compact 50-count bottle and made in the USA, it supports daily cognitive health and mental clarity with trusted quality and safety.

## Description

Source Naturals L-Phenylalanine 500mg 50 tablets An Essential Amino Acid L-Phenylalanine, an essential amino acid, is a precursor of the amino acid tyrosine and a whole series of neurotransmitters and hormones. Phenylalanine is first converted to tyrosine, which becomes L-dopa, which converts to norepinephrine, a key neurotransmitter and an adrenal hormone. L-Phenylalanine is also a direct precursor of PEA (Phenylethylamine), another important neurotransmitter.

## Features

- Compact construction
- Brand: Source Naturals
- Reliable performance
- It is safe for daily use

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0096LYY7E |
| ASIN  | B0096LYY7E |
| Additives | Amino Acids |
| Age Range Description | Adult |
| Best Sellers Rank | #146,867 in Health ( See Top 100 in Health ) #3,711 in Multivitamins Nutritional Supplements |
| Brand | Source Naturals |
| Customer Reviews | 5.0 5.0 out of 5 stars (1) |
| Customer reviews | 5.0 5.0 out of 5 stars (1) |
| Date First Available | 5 May 2016 |
| Format | Tablet |
| Is Discontinued By Manufacturer  | No |
| Item model number  | 021078001607 |
| Manufacturer  | USA |
| Package Dimensions  | 10 x 10 x 10 cm; 49.9 g |
| Units | 50.0 Count |

## Product Details

- **Age range (description):** Adult
- **Brand:** Source Naturals
- **Dosage form:** Tablet
- **Item form:** Tablet
- **Item weight:** 0.11 Pounds
- **Number of Items:** 1
- **Package information:** Bottle
- **Special ingredients:** Amino Acids
- **Specific uses for product:** Laboratory
- **Unit count:** 50.0 Count

## Images

![Source Naturals L-Phenylalanine, 500mg, 50 tablets - Image 1](https://m.media-amazon.com/images/I/515EUW1LmlL.jpg)

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.gr/products/259907138-source-naturals-l-phenylalanine-500mg-50-tablets](https://www.desertcart.gr/products/259907138-source-naturals-l-phenylalanine-500mg-50-tablets)

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-02-10*