---
product_id: 14008148
title: "Source Naturals Vitamin B-1 Thiamin 500mg - High Potency, 500mg - 50 Tablets"
brand: "source naturals"
price: "€ 18.22"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/14008148-source-naturals-vitamin-b-1-thiamin-500mg-high-potency-500mg
store_origin: NL
region: Netherlands
---

# Supports energy metabolism 500mg high potency dose Boosts nerve & neurotransmitter function Source Naturals Vitamin B-1 Thiamin 500mg - High Potency, 500mg - 50 Tablets

**Brand:** source naturals
**Price:** € 18.22
**Availability:** ✅ In Stock

## Summary

> 💥 Unlock your brain’s power with every tablet!

## Quick Answers

- **What is this?** Source Naturals Vitamin B-1 Thiamin 500mg - High Potency, 500mg - 50 Tablets by source naturals
- **How much does it cost?** € 18.22 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/14008148-source-naturals-vitamin-b-1-thiamin-500mg-high-potency-500mg)

## 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

- • **Neuro-Boosting Formula:** Enhances acetylcholine production, fueling sharper focus and cognitive clarity for your busy lifestyle.
- • **Power-Packed 500mg Dose:** Maximize your daily B-1 intake with a potent 500mg tablet designed for optimal nerve and energy support.
- • **Energy Metabolism Catalyst:** Activates carbohydrate and amino acid metabolism to keep your energy levels steady and sustained.
- • **Trusted Quality Since 1982:** Crafted under strict FDA cGMP standards in the USA, ensuring purity and potency you can rely on.
- • **Daily Defense Against Deficiency:** Perfect for those with high alcohol intake or processed diets—don’t let your body miss out on essential B-1.

## Overview

Source Naturals Vitamin B-1 Thiamin delivers a high-potency 500mg dose per tablet to support nerve health, energy metabolism, and neurotransmitter function. Manufactured in the USA under FDA cGMP standards, this supplement is ideal for professionals seeking to maintain cognitive sharpness and metabolic balance, especially those with demanding lifestyles or dietary gaps.

## Description

Source Naturals Vitamin B-1 Thiamin 500mg - High Potency, 500mg - 50 Tablets

## Features

- B-1 is intimately involved in many aspects of nerve health and function. Once in the body, B-1 is activated to a co-enzyme form necessary for energy production and the formation of acetylcholine, a major neurotransmitter.
- Excessive alcohol intake may increase the need for B-1, and B-1 may be missing from some diets of highly processed “junk food”.*
- Suggested Use: 1 tablet daily
- 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
- **Item Form:** Tablet
- **Primary Supplement Type:** Vitamin-b
- **Diet Type:** Vegetarian
- **Flavor:** Unflavored

## Images

![Source Naturals Vitamin B-1 Thiamin 500mg - High Potency, 500mg - 50 Tablets - Image 1](https://m.media-amazon.com/images/I/61r8jYHjFVL.jpg)

## Available Options

This product comes in different **Item Package Quantity** options.

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**Shop now:** [https://www.desertcart.nl/products/14008148-source-naturals-vitamin-b-1-thiamin-500mg-high-potency-500mg](https://www.desertcart.nl/products/14008148-source-naturals-vitamin-b-1-thiamin-500mg-high-potency-500mg)

---

*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-19*