---
product_id: 9181768
title: "Source Naturals Vitamin B-1, Thiamin, Supports Energy Production - 100 mg - 250 Tablets"
brand: "source naturals"
price: "€ 34.04"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/9181768-source-naturals-vitamin-b-1-thiamin-supports-energy-production-100
store_origin: HR
region: Croatia
---

# 100 mg Energy Boost Supports Carb Metabolism Made in the USA Source Naturals Vitamin B-1, Thiamin, Supports Energy Production - 100 mg - 250 Tablets

**Brand:** source naturals
**Price:** € 34.04
**Availability:** ✅ In Stock

## Summary

> Fuel Your Ambition! 🚀

## Quick Answers

- **What is this?** Source Naturals Vitamin B-1, Thiamin, Supports Energy Production - 100 mg - 250 Tablets by source naturals
- **How much does it cost?** € 34.04 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/9181768-source-naturals-vitamin-b-1-thiamin-supports-energy-production-100)

## 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:** Just one tablet a day keeps fatigue at bay—perfect for busy lifestyles.
- • **Trust in Quality:** Over 40 years of excellence from Source Naturals, a brand you can rely on.
- • **Crafted with Care:** Manufactured in the USA under strict cGMP standards for your peace of mind.
- • **Energize Your Day:** Unlock your potential with 100 mg of Vitamin B-1 for sustained energy.
- • **Metabolism Mastery:** Enhances carbohydrate and amino acid metabolism for peak performance.

## Overview

Source Naturals Vitamin B-1 Thiamin provides 100 mg of essential thiamin in each tablet, supporting energy production and metabolism. Ideal for those with high carbohydrate diets or active lifestyles, this product is manufactured in the USA under stringent quality standards, ensuring optimal health support for over 40 years.

## Description

Source Naturals Vitamin B-1 Thiamin 100 mg Supports Energy Production - 250 Tablets

## Features

- Vitamin B-1 (thiamin) is essential for the metabolism of carbohydrates, some amino acids, and alcohol.
- Suggested Use: 1 Tablet Daily.
- Thiamin has important roles in the production of energy and ATP derived from reactions in the Krebs cycle. A high carbohydrate diet, strenuous physical exercise, or chronic alcohol consumption may increase the physiological need for vitamin B-1.
- 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:** Vtamin B-1
- **Flavor:** Unflavored
- **Product Benefits:** Energy Management

## Images

![Source Naturals Vitamin B-1, Thiamin, Supports Energy Production - 100 mg - 250 Tablets - Image 1](https://m.media-amazon.com/images/I/71lbrRdHIvL.jpg)

## Available Options

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

## Questions & Answers

**Q: What form of B1 is used for this thiamine supplement?**
A: According to our database, the thiamin raw material encompassed in our B-1 product is currently in the form of thiamine mononitrate.

**Q: Is this vegan?**
A: It's a tablet, so there's no gelatin capsule of any kind, and the label says "Suitable for vegetarians. Contains no yeast dairy, egg, gluten, soy or wheat. Contains no sugar, starch, preservatives, or artificial color, flavor or fragrance."  I know there's a difference between vegan and vegetarian, so I hope this helps.

**Q: Which form of B1 (i.e., hcl, pyrophosphate, or  mononitrate) is in this?**
A: According to our raw material supplier files, the thiamin raw material encompassed in our B-1 product is currently in the form of thiamine mononitrate.

**Q: Why does "Product Description" seem to talk about something else entirely? Is it a one-size-fits-all description for the entire product line? Lazy.**
A: Hello,  Please find below the product description and ingredients.Vitamin B-1 (thiamin) is essential for the metabolism of carbohydrates, some amino acids and alcohol. It is also necessary for the production of the neurotransmitter acetylcholine, and for the detoxification of both alcohol and lactic acid (a by-product of strenuous exercise). Thiamin has important roles in the production of energy and ATP derived from reactions in the Krebs cycle. A high carbohydrate diet, strenuous physical exercise, or chronic alcohol consumption may increase the physiological need for vitamin B-1.Nutrition FactsServing Size: 1 TabletServings per container: 100Amount Per Serving	% DVCalcium	35 mg	4%Thiamin (Vitamin B1)	100 mg	6667%*Daily value not established.Other Ingredients: and colloidal silicon dioxide, Dibasic calcium phosphate, modified cellulose gum, stearic acidDirections: 1 tablet daily, or as recommended by your health care professional.

## Frequently Bought Together

- Source Naturals Vitamin B-1 Thiamin 100 mg Supports Energy Production - 250 Tablets
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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-01-31*