Advertising Disclosure
✖
Our product rankings are generated using a smart algorithm that evaluates thousands of customer reviews, brand reputation, store reliability, popularity trends, and more. These rankings reflect our opinion and are meant to be a helpful starting point for your shopping. If you buy through our links, you’ll pay the lowest price we’ve found—we may earn a small commission at no extra cost to you. This supports our work and helps us continue offering valuable comparisons and free content.
10 Best Vitamin B1 In
TITLETITLETITLETITLE
text
Vitamin B1 Thiamine Supplement 100mg (4 Months Value Supply) Thiamine Vitamin B1 High Strength – Heart Health, Healthy Nervous System, Immune Health, Energy...
9.9
Exceptional
Main highlights
- HIGH-POTENCY THIAMINE VITAMIN B1 – Our Vitamin B1 tablets provides 100mg of Thiamine (9091% NRV) – Thiamine Vitamin B1 has many health benefits, Thiamine contributes to the normal function of the heart, contributes to the normal function of the nervous system, contributes to normal energy yielding metabolism and also Contributes to normal psychological function (EFSA)
- HEART HEALTH – Vitamin B1 Thiamine contributes to the normal function of the heart, with just one tablet per serving, each bottle will last up to 4 months.
- ENERGY TABLETS FOR TIREDNESS – Thiamine, also known as B1, is one of the essential 8 B vitamins. It’s an essential nutrient that helps our bodies function properly, It also helps turn digested food into energy to help keep the nervous system healthy.
- VEGAN FRIENDLY & UK MADE – 100% vegan and gluten free, these vitamin B supplements are suitable for men and woman and proudly manufactured in the UK under the highest quality standards.
- SAFETY & QUALITY – To uphold the highest standards of safety and quality, our products undergo post-production testing for heavy metals and other unwanted compounds, ensuring full compliance with international regulations. Once testing is complete, products are bottled and packaged in BRC Grade AA certified facilities, guaranteeing that our rigorous quality standards are reliably maintained and delivered to you.
- Why Choose New Leaf Products? As a family-owned business with extensive experience in formulating and producing our unique range of over 100 vitamin and mineral supplements, we are dedicated to upholding the highest standards of safety and quality. We prioritise environmental sustainability and social responsibility, donating a portion of our sales to global causes. Join our community of over 2 million satisfied customers, where our customers are always our top priority.
Best Naturals Vitamin B1 as Thiamine Mononitrate 500 mg 120 Tablets
9.8
Exceptional
Main highlights
- PREMIUM FORMULA – Our B1Tablets are the made with high quality Thiamine Mononitrate
- 3rd Party Lab Tested – Our All Best Naturals Products come with 3rd Party Independent Lab Tested
- Promotes energy production & healthy nervous system.*
- No Artificial Color, Flavor or Sweetener, No Preservatives, No Sugar, No Starch, No Corn, No Soy, No Egg, No Lactose, No Gluten, No Wheat, No Yeast, No Fish
- All Best Naturals products are manufactured in accordance with Good Manufacturing Practices (GMP), among the highest standards in the world – Proudly Made in the USA
Vitamin B1 Thiamin 100mg Tablets | 100 Count (3+ Months Supply) | High Strength VIT B1 Thiamine Supplement | No Artificial Preservatives | by Carlyle
9.7
Exceptional
Main highlights
- WHY CARLYLE VITAMIN B1 THIAMIN?: Our premium formula delivers 100mg per daily dose, giving your body the boost it needs.
- EXPERTLY CRAFTED: Our professional formula is backed by our commitment to purity and potency.
- EASY & CONVENIENT: No need to re-order every month. Simply take one (1) tablet daily and reap the benefits of this vitamin supplement for 3+ months.
- SUITABLE FOR: Carlyle Vitamin B1 Thiamin is vegan and vegetarian friendly. It is suitable for adult men and women at the best value.
- PACKAGING MAY VARY: We are in the process of updating our packaging. If the product you receive appears different, please rest assured that the benefits remain the same.
How We Choose the Best?
We’re a small, passionate team obsessed with finding the best products — and we don’t rely on AI to do it.
Each item we recommend is researched, tested, and compared by real people who genuinely care about quality and performance.
We dive deep into product details, customer reviews, and hands-on experiences so you get honest, real-world insights — not just marketing fluff.
Our goal? To help you make confident choices based on what actually works — because we’ve tried it ourselves.
④
Vinco Supplements
Vinco Benfotiamine 300mg - Vitamin B1 Thiamine High Strength for Heart & Kidney Support, 120 Vegan Capsules, Enhanced Cognitive Function, Energy
9.6
Excellent
Main highlights
- 𝐁𝐢𝐨𝐚𝐯𝐚𝐢𝐥𝐚𝐛𝐥𝐞 𝐕𝐢𝐭𝐚𝐦𝐢𝐧: Discover the power of Vitamin B1 in an absorption form to complement your daily routine. Our premium B complex formula is designed to aid energy production and support overall well-being. Made for those seeking a simple yet effective addition to their lifestyle, this supplement fits seamlessly into your health-conscious choices.
- 𝐒𝐮𝐩𝐩𝐨𝐫𝐭𝐬 𝐍𝐞𝐫𝐯𝐞 𝐇𝐞𝐚𝐥𝐭𝐡: Our carefully formulated B vitamin complex is designed to nourish and support nerve function. By maintaining efficient neuron communication, this supplement helps you stay active and engaged in daily life. Whether you’re on the move or relaxing, give your nerves the care they deserve with a reliable source of Vitamin B1.
- 𝐌𝐞𝐭𝐚𝐛𝐨𝐥𝐢𝐬𝐦 𝐒𝐮𝐩𝐩𝐨𝐫𝐭: Fuel your body efficiently with our expertly made Vitamin B-complex supplement. Supporting glucose metabolism, it helps your body break down and utilise energy effectively throughout the day. Whether you have an active lifestyle or need extra support, this high-absorption Benfotiamine blend keeps you going.
- 𝐐𝐮𝐚𝐥𝐢𝐭𝐲 𝐅𝐨𝐫𝐦𝐮𝐥𝐚: Formulated with care, our Vitamin B Complex High Strength supplement is made in the UK to meet quality standards. Suitable for those following a vegan lifestyle, it is free from GMOs and gluten, ensuring a clean and trusted choice for your daily needs. Enjoy peace of mind with a supplement that prioritises purity.
⑤
Lindens
Lindens Vitamin B1 Thiamine Tablets - 100 Pack - for Heart, Immune and Psychological Function & Energy Release - UK Manufacturer, Letterbox Friendly
9.5
Excellent
Main highlights
- HIGH-POTENCY VITAMIN B1 THIAMINE — look after your mind and body with Lindens Health + Nutrition! Each one-a-day Vitamin B1 tablet provides 9091% NRV (Nutrient Reference Value) of Vitamin B1!
- HEALTHY METABOLISM — Vitamin B1 is also known as thiamine and it enables the body to effectively break down and release energy from food, keeping you feeling full of life throughout the day!
- SUPPORTS THE NERVOUS SYSTEM — Vitamin B1 helps keep the nervous system healthy while also supporting normal psychological function and heart health!
- REPLENISH YOUR VITAMIN B1 STOCKS — B Vitamins are water soluble so they are constantly excreted by the body and need frequent replenishment. Lindens easy-to-swallow tablets can help keep you topped up!
- TRIED & TRUSTED QUALITY — Lindens Health + Nutrition is leading the way in consumer nutrition supplements. Our tablets are packaged in foil-fresh, resealable and light-proof pouches and manufactured in the UK!
⑥
Natures Aid
Natures Aid Vitamin B1 100mg Thiamine Tablets – High Strength Food Supplement – Supports Energy Metabolism, Nervous System, Heart & Mind – Vegan,...
9.4
Excellent
Main highlights
- Each tablet provides 100 mg Thiamin (Vitamin B1)
- Contributes to the normal function of the nervous system
- Contributes to normal energy yielding metabolism
- Contributes to normal psychological function
- Made in the UK to GMP and pharmaceutical standards
⑦
Pure Encapsulations
Pure Encapsulations Vitamin B-Complex Plus - B Vitamin Formula with Active Folate - for Cardiovascular Health, Memory, Skin & Hair - 60 Capsules
9.3
Excellent
Main highlights
- Active Ingredients: Comprehensive blend of B vitamins in the active form, including folate. Assists cellular, cardiovascular, and neurological health and maintains the integrity of skin and hair
- Reduction of Tiredness: Vitamins B1, B2, B3, B5 and B6 contribute to the normal functioning of the nervous system and energy-yielding metabolism, and folate, vitamin B5 and B12 contribute to the reduction of tiredness and fatigue
- 120 Days of Supply: The recommended dosage of this Vitamin B-Complex Plus supplement is 1 capsule daily, with a meal, or as directed by a health professional
- Pure Quality: Our B vitamin support are made with only premium ingredients sourced from trusted suppliers and guided by our nutritional experts, then carefully manufactured and tested to verify their potency and purity
- Free From: All Pure Encapsulations products are free from wheat, eggs, tree nuts, peanuts, gluten, artificial colours, flavours, sweeteners, coatings and shellacs, GMOs, unnecessary binders, fillers and preservatives
⑧
Solgar
Solgar Vitamin B1 (Thiamin) 100 mg Vegetable Capsules - Pack of 100 - Supports Energy Levels and Nervous System - For a Healthy Heart and Balanced Mind
9.2
Excellent
Main highlights
- ✓ HEALTHY HEART AND MIND – Vitamin B1 (Thiamin) 100 mg Vegetable Capsules provides Vitamin B1, also known as Thiamin, in a vegetable capsule form. Vitamin B1 is a key B-Vitamin and contributes to energy reactions in the body such as the conversion of carbohydrates into glucose, which is burned in the body for energy.
- ✓ BALANCED LIFESTYLE – Vitamin B1 (Thiamin) 100 mg Vegetable Capsules, 1 a day, delivers 100 mg of this key vitamin, contributing to normal energy-yielding metabolism, normal functioning of the nervous system and normal psychological function
- ✓ COMMITTED TO SUSTAINABILITY – For over 70 years we’ve used 100% recyclable amber glass bottles
- ✓ NATURAL WELLNESS – We believe that cleaner is better, we craft our vitamins and minerals in small batches to help ensure consistency and purity from bottle to bottle
- ✓ GOLD STANDARD – All Solgar products meet our industry recognized “Gold Standard” for excellence, made using naturally sourced ingredients and innovating since 1947
⑨
NEW LEAF PRODUCTS
Vitamin B1 Thiamine Supplement 100mg (4 Months Value Supply) Thiamine Vitamin B1 High Strength – Heart Health, Healthy Nervous System, Immune Health, Energy...
9.1
Very Good
Main highlights
- HIGH-POTENCY THIAMINE VITAMIN B1 – Our Vitamin B1 tablets provides 100mg of Thiamine (9091% NRV) – Thiamine Vitamin B1 has many health benefits, Thiamine contributes to the normal function of the heart, contributes to the normal function of the nervous system, contributes to normal energy yielding metabolism and also Contributes to normal psychological function (EFSA)
- HEART HEALTH – Vitamin B1 Thiamine contributes to the normal function of the heart, with just one tablet per serving, each bottle will last up to 4 months.
- ENERGY TABLETS FOR TIREDNESS – Thiamine, also known as B1, is one of the essential 8 B vitamins. It’s an essential nutrient that helps our bodies function properly, It also helps turn digested food into energy to help keep the nervous system healthy.
- VEGAN FRIENDLY & UK MADE – 100% vegan and gluten free, these vitamin B supplements are suitable for men and woman and proudly manufactured in the UK under the highest quality standards.
- SAFETY & QUALITY – To uphold the highest standards of safety and quality, our products undergo post-production testing for heavy metals and other unwanted compounds, ensuring full compliance with international regulations. Once testing is complete, products are bottled and packaged in BRC Grade AA certified facilities, guaranteeing that our rigorous quality standards are reliably maintained and delivered to you.
- Why Choose New Leaf Products? As a family-owned business with extensive experience in formulating and producing our unique range of over 100 vitamin and mineral supplements, we are dedicated to upholding the highest standards of safety and quality. We prioritise environmental sustainability and social responsibility, donating a portion of our sales to global causes. Join our community of over 2 million satisfied customers, where our customers are always our top priority.
⑩
ALPHA01
Vitamin B1 Thiamin 100mg – 90 Vegan Capsules – Contributes to Normal Functioning of The Nervous System – Resealable and Recyclable Pouch by Alpha01
9.0
Very Good
Main highlights
- ✔ HIGH-STRENGTH VITAMIN B1 SUPPLEMENT: Each capsule delivers 100mg of Vitamin B1 (Thiamine), an essential nutrient that plays a key role in maintaining energy metabolism, nervous system function, and heart health.
- ✔ SUPPORTS ENERGY AND NERVOUS SYSTEM FUNCTION: Vitamin B1 contributes to normal energy-yielding metabolism, helps the nervous system function properly, and supports normal psychological function.
- ✔ ESSENTIAL FOR HEART HEALTH: This high-strength formula of Vitamin B1 also supports the normal function of the heart, making it a valuable addition to a balanced supplement regimen.
- ✔ OUR VALUES: This product is non-GMO, vegan, gluten-free, dairy-free, and preservative-free!
- ✔ ALPHA01 PROMISE: Proudly sourced in the EU, we bring you only the highest quality ingredients – so you can feel comfortable about what you’re putting in your body. All of our products are GMP certified.