Updated:19 October 2026
Rank 1-21 of the best Thiamines
Our recommendation Price Customer rating
1. Comparison winner
Solgar Vitamin B1 500 mg Tablets, Pack of 100
Solgar Vitamin B1 500 mg Tablets, Pack of 100
Available immediately
free shipping
  • 500mg of Vitamin B1 (Thiamin) per tablet, 45455% Nutrient Reference Value
  • formulated without additional additives or preservatives
  • manufactured according to Good Manufacturing Practice (GMP) standards
Our rating
9,8
very good
700+ purchases last month
2. Best value
Vitamatic Vitamin B1 500mg (Thiamin) - 120 Capsules
Vitamatic Vitamin B1 500mg (Thiamin) - 120 Capsules
Available immediately
free shipping
  • Vitamin B1 content per capsule is 500 mg
  • No additives: free from sugar, starch, sodium, yeast, corn, wheat, artificial colour, flavour and preservatives; non-GMO and gluten-free
  • Manufactured in the USA to GMP standards
Our rating
9,6
very good
Best Naturals Vitamin B1 Thiamine 500mg Tablets
Best Naturals Vitamin B1 Thiamine 500mg Tablets
Available immediately
free shipping
  • support for energy production with healthy nervous system benefits from vitamin B1 content
  • free from artificial colours, flavours, sweeteners and common allergens like soy, gluten and lactose
  • manufactured according to good manufacturing practice standards
Our rating
9,6
very good
4. Bestseller
Solgar Vitamin B1 (Thiamin) 100 mg Vegetable Capsules Pack of 100
Solgar Vitamin B1 (Thiamin) 100 mg Vegetable Capsules Pack of 100
Available immediately
free shipping
  • 100 mg of vitamin B1 per daily capsule supporting normal energy-yielding metabolism and normal function of the heart and nervous system
  • Packaging size: a glass jar containing 100 capsules
  • Suitable for vegetarians and vegans as the capsule shell is plant-based
Our rating
9,6
very good
Vitamin B1 Thiamine 100ml – 1300mcg – Vegan Liquid – Miron Violet Glass – UK Made
Vitamin B1 Thiamine 100ml – 1300mcg – Vegan Liquid – Miron Violet Glass – UK Made
Available immediately
free shipping
  • Vitamin B1 (thiamine) supports normal energy-yielding metabolism and helps maintain normal heart function
  • No fillers or artificial colours, flavours or preservatives to ensure purity and bioavailability
  • 100 ml bottle with a glass pipette for precise dosing
Our rating
9,6
very good
Vitamatic Vitamin B1 100 mg, 250 Tablets – Non-GMO Thiamine
Vitamatic Vitamin B1 100 mg, 250 Tablets – Non-GMO Thiamine
Available immediately
free shipping
  • Vitamin content: 100 milligrams of vitamin B1 per tablet
  • Free from artificial colours, flavours and preservatives
  • Manufactured to GMP standards
Our rating
9,6
very good
Vitamin B1 Liquid 100ml Active Thiamine Pyrophosphate Vegan
Vitamin B1 Liquid 100ml Active Thiamine Pyrophosphate Vegan
Available immediately
free shipping
  • vitamin content thiamine pyrophosphate (tpp) is the biologically active form of vitamin b1 and is supplied ready for the body to use without conversion
  • no additives contains no gluten, dairy, nuts, fillers, binders or unnecessary additives for a clean, high-quality supplement
  • manufacturing to gmp standards produced in a gmp-certified Wiltshire facility in small batches to ensure consistent quality
Our rating
9,5
very good
Osavi Vitamin B1 100mg - 120 Vegan Capsules
Osavi Vitamin B1 100mg - 120 Vegan Capsules
Available immediately
free shipping
  • high vitamin content to support energy production
  • produced according to GMP standards
  • package size: 120 servings per container
Our rating
9,5
very good
ThiaMax-100 Vitamin B1 (Thiamine) 100 mg Tablets – Pack of 100
ThiaMax-100 Vitamin B1 (Thiamine) 100 mg Tablets – Pack of 100
Available immediately
free shipping
  • 100 mg of vitamin B1 (thiamine) per tablet to support overall health and vitality
  • supports normal energy-yielding metabolism and helps reduce tiredness and fatigue
  • pack of 100 tablets provides a long-lasting supply for daily supplementation
Our rating
9,5
very good
Vitamin B1 Thiamine 100mg 120 Tablets
Vitamin B1 Thiamine 100mg 120 Tablets
Available immediately
free shipping
  • contains 100mg of thiamine (vitamin B1) per tablet, contributing to heart, nervous system, and psychological function
  • free from additives for a pure formulation
  • produced in the UK following good manufacturing practice standards ensuring safety and quality
Our rating
9,5
very good
REDWELLS Vitamin B1 Capsules 200mg
REDWELLS Vitamin B1 Capsules 200mg
Available immediately
free shipping
  • high vitamin b1 content with 200mg per capsule
  • free from additives such as magnesium stearate, cellulose, and preservatives
  • produced according to good manufacturing practice standards
Our rating
9,4
good
Shivay Herbals Vitamin B1 (Thiamine) 100mg - 90 Vegan Tablets, 3 Months Supply, Made in the UK
Shivay Herbals Vitamin B1 (Thiamine) 100mg - 90 Vegan Tablets, 3 Months Supply, Made in the UK
Available immediately
free shipping
  • 100 mg of thiamine (vitamin B1) per tablet
  • manufactured in the UK in a GMP-standard facility to ensure quality and purity
  • suitable for vegetarians and vegans as the tablets use plant-based ingredients
Our rating
9,4
good
Horbaach 100mg Vitamin B1 Thiamine Tablets, 120 Count
Horbaach 100mg Vitamin B1 Thiamine Tablets, 120 Count
Available immediately
free shipping
  • contains 100mg of vitamin B1 per tablet
  • free from artificial colours and preservatives
  • produced in accordance with good manufacturing practice standards
Our rating
9,3
good
Epigenetics Supplements Vitamin B1 Thiamine 10mg - 60 Vegan Friendly Capsules UK Made
Epigenetics Supplements Vitamin B1 Thiamine 10mg - 60 Vegan Friendly Capsules UK Made
Available immediately
free shipping
  • 10 mg of thiamine (vitamin B1) per capsule to support energy metabolism and normal nervous system function
  • made without unnecessary additives such as fillers binders artificial colours or flavours
  • two-month supply with 60 capsules per pack and one capsule per day
Our rating
9,3
good
MOBU Vitamin B1 Thiamine 100mg Tablets
MOBU Vitamin B1 Thiamine 100mg Tablets
Available immediately
free shipping
  • converts food into energy, supporting the nervous system, psychological function, and heart health
  • free from added substances
  • produced according to Good Manufacturing Practice standards
Our rating
9,3
good
ProAid Vitamin B1 Thiamine 100mg Tablets 100 Pack
ProAid Vitamin B1 Thiamine 100mg Tablets 100 Pack
Available immediately
free shipping
  • water-soluble vitamin B1 thiamine for supporting energy levels
  • free from gluten and soya
  • manufactured according to GMP standards
Our rating
9,1
good
Alpha01 Vitamin B1 Thiamin 100mg, 90 Vegan Capsules – Resealable Recyclable Pouch
Alpha01 Vitamin B1 Thiamin 100mg, 90 Vegan Capsules – Resealable Recyclable Pouch
Available immediately
free shipping
  • Vitamin content: 100 mg of vitamin B1 (thiamine) per capsule supports normal energy-yielding metabolism, supports the nervous system and heart health
  • No additives: free from artificial flavours, preservatives and other additives
  • Suitable for vegetarians and vegans: the product is vegan and suitable for plant-based diets
Our rating
9,1
good
Health4All Vitamin B1 Thiamine 100mg Tablets
Health4All Vitamin B1 Thiamine 100mg Tablets
Available immediately
free shipping
  • contributes to normal energy-yielding metabolism, nervous system function, psychological function, and heart function
  • contains no additives
  • manufactured in the UK following GMP standards for quality assurance
Our rating
9,1
good
Vitamin B1 Thiamine 100mg Tablets
Vitamin B1 Thiamine 100mg Tablets
Available immediately
free shipping
  • high vitamin B1 content to support energy production and overall well-being
  • free from additives for a purer supplement
  • manufactured according to good manufacturing practice standards for quality assurance
Our rating
9,0
good
Carlyle Vitamin B1 Thiamin 100mg Tablets
Carlyle Vitamin B1 Thiamin 100mg Tablets
Available immediately
free shipping
  • contains 100 mg of Vitamin B1 per tablet
  • free from additives
  • produced according to GMP standards
Our rating
9,0
good
Thiamine (Vitamin B1) 50 mg – 100 Vegetarian Tablets – High Strength B1 Supplement – For Men and Women – Made in the UK
Thiamine (Vitamin B1) 50 mg – 100 Vegetarian Tablets – High Strength B1 Supplement – For Men and Women – Made in the UK
Available immediately
free shipping
  • Vitamingehalt: 50 mg Vitamin B1 per tablet a high-strength dose to support energy metabolism and normal nerve function
  • Vitamingehalt: thiamin mononitrate form provides good absorption of the B1 vitamin
  • Geeignet für Vegetarier und Veganer: vegetarian-friendly tablets suitable for those following a plant-based diet
Our rating
8,9
good

Similar Thiamine comparisons

Thiamines buying guide: How to choose the right product from the above Thiamines test or comparison

What is Thiamine and Why is it Important for Our Health?

Understanding Thiamine

Thiamine, also known as vitamin B1, plays a crucial role in our body’s metabolism. It is a water-soluble vitamin that helps transform carbohydrates into energy, making it essential for our daily functioning. Imagine your body as a car; thiamine acts as the fuel that keeps it running smoothly. Without it, we might experience fatigue and a decline in our overall health.

Importance for Overall Well-being

In addition to energy production, thiamine is vital for maintaining healthy nerve function. It supports the proper functioning of muscles and the heart, and it contributes to a healthy brain. For instance, when we consume thiamine-rich foods, we’re not just filling our bellies; we’re also boosting our cognitive abilities and mood, helping us to feel more alert and focused throughout the day.

Top Food Sources of Thiamine: How to Get Enough in Your Diet

Natural Food Sources

Integrating thiamine into your diet is simpler than you might think. Foods such as whole grains, legumes, nuts, seeds, and pork are packed with this important vitamin. For example, just a single serving of brown rice can significantly boost your thiamine intake. Additionally, incorporating black beans or lentils into your meals not only enriches your diet with thiamine but also adds protein and fibre.

Thiamine-Rich Meal Ideas

To make sure you’re getting enough thiamine, consider meal-planning strategies. A breakfast of oatmeal topped with nuts or seeds can kick-start your day with B1. For lunch, think about a hearty bean salad or a pork stir-fry loaded with vegetables. Snacking on sunflower seeds or peanuts can also provide a tasty thiamine boost. By being mindful of these food choices, we can easily meet our thiamine needs while enjoying delicious meals.

Thiamine Supplements: Are They Right for You?

When to Consider Supplements

While a balanced diet can often provide the necessary levels of thiamine, some individuals may require supplements. This can be particularly true for those with certain health conditions, dietary restrictions, or higher needs, such as pregnant women or athletes. If you find it challenging to get enough thiamine from food alone, supplements might be a convenient solution to support your health.

Choosing a Thiamine Supplement

If you decide to go the supplement route, look for high-quality products that clearly list thiamine as an active ingredient. It’s essential to follow the recommended dosage guidelines, as excessive intake can lead to unnecessary complications. Consulting with a healthcare professional before adding any supplement to your routine will ensure that you’re making a well-informed choice that suits your needs.

Understanding Thiamine Deficiency: Signs and Symptoms to Watch For

Recognising the Symptoms

Being aware of the signs of thiamine deficiency can help us take proactive measures for our health. Common symptoms include fatigue, irritability, and difficulty concentrating. Moreover, if you experience muscle weakness or nerve pain, it could be beneficial to evaluate your thiamine intake. This vitamin is also crucial for people prone to alcohol misuse, as alcohol can impair its absorption.

When to Seek Help

If you suspect you may be experiencing thiamine deficiency, it’s wise to consult with a healthcare provider. They can perform tests and guide you on dietary changes or supplements that may be necessary. Taking early action can help us avoid more serious complications and ensure that we maintain good health.

Choosing the Best Thiamine Product: A Quick Buying Guide

What to Look For

When selecting a thiamine product, we recommend focusing on purity, dosage, and the form of the vitamin. Look for products that are free from unnecessary additives, fillers or allergens. A clear label indicating the exact amount of thiamine per serving will also help guarantee you’re getting enough intake without exceeding limits.

Finding Reliable Brands

Choose brands known for their transparency and quality control. Researching customer reviews can provide insights into the effectiveness and reliability of a product. Ensure the product also fits within your dietary preferences, whether you’re looking for vegan options or specific formulations. By being diligent about our choice of thiamine product, we can make a positive addition to our health regimen.

Table of contents
  1. What is Thiamine and Why is it Important for Our Health?
  2. Top Food Sources of Thiamine: How to Get Enough in Your Diet
  3. Thiamine Supplements: Are They Right for You?
  4. Understanding Thiamine Deficiency: Signs and Symptoms to Watch For
  5. Choosing the Best Thiamine Product: A Quick Buying Guide

Overview

1. Comparison winner
Solgar Vitamin B1 500 mg Tablets, Pack of 100
Our rating
9,8
very good
Solgar Vitamin B1 500 mg Tablets, Pack of 100Available immediately
2. Best value
Vitamatic Vitamin B1 500mg (Thiamin) - 120 Capsules
Our rating
9,6
very good
Vitamatic Vitamin B1 500mg (Thiamin) - 120 CapsulesAvailable immediately
Best Naturals Vitamin B1 Thiamine 500mg Tablets
Our rating
9,6
very good
Best Naturals Vitamin B1 Thiamine 500mg TabletsAvailable immediately
4. Bestseller
Solgar Vitamin B1 (Thiamin) 100 mg Vegetable Capsules Pack of 100
Our rating
9,6
very good
Solgar Vitamin B1 (Thiamin) 100 mg Vegetable Capsules Pack of 100Available immediately
Vitamin B1 Thiamine 100ml – 1300mcg – Vegan Liquid – Miron Violet Glass – UK Made
Our rating
9,6
very good
Vitamin B1 Thiamine 100ml – 1300mcg – Vegan Liquid – Miron Violet Glass – UK MadeAvailable immediately
Vitamatic Vitamin B1 100 mg, 250 Tablets – Non-GMO Thiamine
Our rating
9,6
very good
Vitamatic Vitamin B1 100 mg, 250 Tablets – Non-GMO ThiamineAvailable immediately
Vitamin B1 Liquid 100ml Active Thiamine Pyrophosphate Vegan
Our rating
9,5
very good
Vitamin B1 Liquid 100ml Active Thiamine Pyrophosphate VeganAvailable immediately
Osavi Vitamin B1 100mg - 120 Vegan Capsules
Our rating
9,5
very good
Osavi Vitamin B1 100mg - 120 Vegan CapsulesAvailable immediately
Our product comparisons are:
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At most every 120 days, we update each category with new products and research developments in the top rankings. This ensures that our recommendations are always up to date
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Our tests and comparisons are objective and fact-based. Manufacturers have no influence on the ratings. We aim to provide greater transparency in the market, thereby promoting product quality.
Method-driven
In our tests & comparison tables, we only include products that meet our minimum standards. This ensures that you can find the perfect product for your needs from a wide selection.
Similar tests and comparisons - Vitamin B Supplements