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best vitamin b1

The Best Vitamin B1 Supplement to Unlock Your Potential

  • Lina Velikova, MD, PhD
  • October 17, 2021

Vitamin B1 is an essential vitamin required for optimal living. Inadequate thiamine intake can negatively affect your health, as it can lead to a decrease in your immune system‘s efficiency and make you prone to various infections.

For this reason, we created a comprehensive review list of the best products containing this vital micronutrient. We also provide information about its benefits, dosage, precautions, and how to choose the best B1 supplement for your needs.

Without further ado, let’s move straight to all you need to know about the top-rated B1 supplements in 2021.

The Ten Best B1 Supplement Brands in 2021

We’re committed to providing you with the best products available. If you purchase through one of the links on our site, we may earn a commission. Read our full Affiliate Disclosure.

BulkSupplements.com Thiamine HCl Powder

BulkSupplements.com Thiamine HCl Powder BulkSupplements.com Review

The Overall Best Thiamine Hydrochloride Supplement

  • Free from dairy, gluten, and soy
  • Sugar-free
  • No additives
star 9.9
From $21.96 for 3.5 oz Read Review
Buy Now

Country Life Vitamin B1 With Benfotiamine

Country Life Vitamin B1 With Benfotiamine Country Life Review

The Best Benfotiamine Supplement in Terms of Bioavailability

  • Free from gluten, sugar, and additives
  • Supports cell glucose metabolism
  • Natural ingredients
star 9.8
From $16.04 for 60 vegan capsules Read Review
Buy Now

Life Extension Benfotiamine With Thiamine

Life Extension Benfotiamine With Thiamine Life Extension Review

The Best Thiamine Supplement for Maintaining Healthy Blood Sugar Levels

  • It supports healthy blood sugar metabolism
  • Very efficacious formula
  • Sugar-free
star 9.6
From $14.96 for 120 vegetarian capsules Read Review
Buy Now

BulkSupplements.com Thiamine Mononitrate Vitamin B1

BulkSupplements.com Thiamine Mononitrate Vitamin B1 BulkSupplements.com Review

The Best Vitamin B1 Supplement in the Nitrate Form

  • Lab-verified and third-party tested
  • Free from soy, sugar, dairy, gluten, yeast, and additives
  • Manufactured to meet cGMP standards
star 9.5
From $24.96 for 3.5 oz Read Review
Buy Now

Nature's Plus Vitamin B1

Nature's Plus Vitamin B1 NaturesPlus Logo

The Best Natural Vitamin B1 Supplement

  • High potency
  • Natural dietary supplement
  • Gluten-free
  • Micro-gel sustained-release system
star 9.3
From $14.79 for 90 tablets Read Review
Buy Now

Ecological Formulas Allithiamine (Vitamin B1)

Ecological Formulas Allithiamine (Vitamin B1) Ecological Formulas

The Best Form of Thiamine Supplement for Wernicke-Korsakoff Syndrome

  • Certified gluten-free
  • It easily crosses the blood-brain barrier
  • Contains other nutritional cofactors
star 9.1
From $48.56 for 250 capsules Read Review
Buy Now

Seeking Health Thiamin

Seeking Health Thiamin Seeking Health Logo

The Best Vitamin B1 Vegan Supplement

  • Suitable for vegans and vegetarians
  • Gluten-free
  • Affordable
star 9.0
From $10.95 for 120 capsules Read Review
Buy Now

Pure Encapsulations BenfoMax

Pure Encapsulations BenfoMax Pure Encapsulations Review

The Best Vitamin B1 Supplement for Atopic Individuals

  • Gluten-free
  • Non-GMO
  • Suitable for vegans and vegetarians
  • Hypoallergenic
star 8.9
From $45.90 for 90 capsules Read Review
Buy Now

Source Naturals Coenzymated B1

Source Naturals Coenzymated B1 Source Naturals

The Best Form of Thiamine With Fast Action

  • Gluten-free
  • Quick action
  • Quality-assured product
star 8.8
$17.53 for 60 lozenges Read Review
Buy Now

Vitamatic Vitamin B1

Vitamatic Vitamin B1 Vitamatic

The Best supplement form of vitamin B1 for boosting energy levels

  • Third-party tested and GMP-certified
  • Gluten-free
  • Non-GMO
star 8.6
$59.99 for a two-pack of 120 capsules Read Review
Buy Now

Our Top-Rated Vitamin B1 Supplement Reviews

After careful research and analysis, we‘ve meticulously ordered products on this list to help you choose the best thiamine supplement for you according to your needs. Our expert reviews are here to guide you through the top-rated thiamine supplements currently available on the shelves.

Without further ado, let’s go through our detailed thiamine supplement reviews.

BulkSupplements.com Thiamine HCl Powder

BulkSupplements.com Thiamine HCl Powder Thiamine HCl (Vitamin B1)
star 9.9

The Overall Best Thiamine Hydrochloride Supplement

  • Type: Powder
  • Ingredients: Thiamine HCl
  • Shipping policy: Free shipping for orders above $49 within the US (excluding Alaska, Puerto Rico, and Hawaii). Flat shipping rate of $7.95 applies to orders below $49
  • Return policy: A 30-day money-back guarantee on all unopened items
  • Discounts (or any other buying perks): Save 5% on all subscription purchases
From $21.96 for 3.5 oz
Buy Now Back To List

This excellent supplement from Bulksupplements.com is undoubtedly the best thiamine hydrochloride supplement out there for most thiamine supplement users. This doesn’t come as a surprise as their product contains no unnecessary ingredients. It‘s made from one single ingredient—pure vitamin B1.

The form of thiamine, thiamine HCl, also adds to the quality of this product. When thiamine bonds with hydrochloride, you get thiamine HCl, which is polar, water-soluble and highly absorbable.

As it’s already known, vitamin B1 is one of the essential micronutrients for optimal body function responsible for many anabolic and catabolic reactions in the body. Being this product‘s sole ingredient, it supports various functions of the human body like brain and metabolic function.

It also Improves the efficiency of the nervous system, as thiamine HCl improves cognition and memory. As a result, this product boosts reasoning and intelligence.

Additionally, this B1 supplement gives benefits such as improved vision and renal function.

Finally, it decreases the recovery phase of exercise so you can recover faster after a strenuous workout.


Pros

  • + Free from dairy, gluten, and soy
  • + Sugar-free
  • + No additives

Cons

  • − Some reported stomach upset after use
  • − Some vitamin B1 reviews complained about compromised packaging

Country Life Vitamin B1 With Benfotiamine

Country Life Vitamin B1 With Benfotiamine Benfotiamine with Thiamin
star 9.8

The Best Benfotiamine Supplement in Terms of Bioavailability

  • Type: Capsule
  • Ingredients: Thiamine (thiamine hydrochloride), benfotiamine, cellulose, rice bran extract, silica, vegetable glaze, sunflower oil
  • Shipping policy: Free shipping on orders of minimum $50
  • Return policy: A 30-day money-back guarantee for all returned items
  • Discounts (or any other buying perks): None
From $16.04 for 60 vegan capsules
Buy Now Back To List

If you’re looking for a thiamine supplement of outstanding quality, this might be the right product for you. Highly praised for its many features, this thiamine supplement is more bioavailable than other standard vitamin B1 supplements due to the inclusion of benfotiamine. This substance turns into thiamine once inside your body, helping you quickly build up your levels of vitamin B1 and, therefore, offering the best thiamine supplement bioavailability.

This supplement is particularly beneficial for boosting the nervous system, as people commonly use benfotiamine for nerve repair. It improves cognition, memory, and intelligence. It also boosts carbohydrate metabolism (particularly the glycolytic pathway), promotes vision, and supports the synthesis of deoxyribonucleic acid necessary for normal growth and development.

Additionally, this supplement contains antioxidants and trace minerals, which offer anti-inflammatory benefits.

Finally, this gluten-free supplement generally receives favorable reviews praising the excellent health benefits of this supplement to the nervous system.


Pros

  • + Free from gluten, sugar, and additives
  • + Supports cell glucose metabolism
  • + Natural ingredients

Cons

  • − Some users noted discrepancies between the ingredients listed on the manufacturer‘s website and on the product label

Life Extension Benfotiamine With Thiamine

Life Extension Benfotiamine With Thiamine Benfotiamine with Thiamine
star 9.6

The Best Thiamine Supplement for Maintaining Healthy Blood Sugar Levels

  • Type: Capsule
  • Ingredients: Thiamine (thiamine hydrochloride), benfotiamine, microcrystalline cellulose, vegetable cellulose (capsule), silica, vegetable stearate
  • Shipping policy: All orders attract a standard shipping fee
  • Return policy: A 365-day money-back guarantee on all purchases
  • Discounts (or any other buying perks): Save 6% on all AutoShip orders
From $14.96 for 120 vegetarian capsules
Buy Now Back To List

If you’re worried about your blood sugar levels and need one of the best thiamine supplements to improve your body’s glucose levels, Benfotiamine With Thiamine could be suitable for you.

One capsule of this topnotch supplement—one of the best natural thiamine supplements—provides you with 25 mg of thiamine and 100 mg of benfotiamine.

Benfotiamine is a fat-soluble form of vitamin B1. Being fat-soluble, it‘s readily absorbed by the gastrointestinal system and can easily penetrate the cells.

This excellent thiamine supplement promotes healthy blood glucose metabolism, and there are many favorable benfotiamine supplement reviews to corroborate this.

Additionally, its anti-inflammatory properties help reduce oxidative stress. These and many other features made this supplement one of the most highly sought-after thiamine supplements, especially by people with diabetes who have to be careful about their blood sugar.

Besides promoting healthy blood glucose metabolism, this product can also promote optimum cardiovascular function and help the body against advanced glycation end products.


Pros

  • + It supports healthy blood sugar metabolism
  • + Very efficacious formula
  • + Sugar-free

Cons

  • − A particular consumer reported developing a severe eye inflammation following its use

BulkSupplements.com Thiamine Mononitrate Vitamin B1

BulkSupplements.com Thiamine Mononitrate Vitamin B1 Thiamine Mononitrate (Vitamin B1)
star 9.5

The Best Vitamin B1 Supplement in the Nitrate Form

  • Type: Powder
  • Ingredients: Thiamine (thiamine mononitrate)
  • Shipping policy: Free shipping for orders above $49 within the US (excluding Alaska, Puerto Rico, and Hawaii). Flat shipping rate of $7.95 for orders below $49
  • Return policy: A 30-day money-back guarantee on all returned unopened items
  • Discounts (or any other buying perks): Save 5% on all subscription purchases
From $24.96 for 3.5 oz
Buy Now Back To List

This is one of the top vitamin B1 supplements ideal for boosting various metabolic processes in the body. Taking one serving (125mg) of this fantastic supplement provides you 101 mg of thiamine.

Thiamine mononitrate is a stable nitrate form of thiamine. Unlike benfotiamine, thiamine mononitrate is water-soluble and doesn’t penetrate cells easily. Its water-soluble nature makes it easy for the supplement to circulate adequately in the bloodstream, thus increasing its volume of distribution.

Thiamine mononitrate has a host of benefits, such as boosting optimum metabolic functions and supporting nervous system activity. Furthermore, this top-tier B1 vitamin supplement promotes eye health and optimal renal function, aids memory, cognition, and reasoning, and reduces the recovery phase of strenuous exercise.

It‘s important to note that all raw materials entering this product pass through multiple stages of testing by professional quality control experts to ensure purity. Additionally, this product is free from sugar, soy, dairy, yeast, gluten, corn, and additives.


Pros

  • + Lab-verified and third-party tested
  • + Free from soy, sugar, dairy, gluten, yeast, and additives
  • + Manufactured to meet cGMP standards

Cons

  • − Users noted the packaging includes aluminium foil on the inside which could negatively affect consumers suffering from particular disorders (e.g. Parkinson’s disease)

Nature's Plus Vitamin B1

Nature's Plus Vitamin B1 Nature's Plus Vitamin B1
star 9.3

The Best Natural Vitamin B1 Supplement

  • Type: Tablets
  • Ingredients: Thiamine (thiamine hydrochloride), hydroxypropyl methylcellulose, rice bran, stearic acid, magnesium stearate, pharmaceutical glaze
  • Shipping policy: Free shipping on orders over $20
  • Return policy: Refund requests can be submitted within 60 days of purchase
  • Discounts (or any other buying perks): Occasional flash sales
From $14.79 for 90 tablets
Buy Now Back To List

If you‘re a fan of all-natural products and looking for natural thiamine supplements, Nature’s Plus thiamine product could be the right choice for you.

Apart from being arguably the best natural supplement source of vitamin B1, this supplement is best known for its excellent benefits in boosting carbohydrate metabolism. Fortified with rice bran, each serving of this supplement provides the body with the required daily thiamine intake.

Using a unique release system that allows for the gradual and effective release of nutrients over a prolonged period, this supplement provides nutritional support for natural energy production.

Thiamine in this supplement comes in the form of thiamine hydrochloride that, like other forms of thiamine, has a broad range of health benefits. However, this supplement is best known for its excellent benefits in boosting carbohydrate metabolism.


Pros

  • + High potency
  • + Natural dietary supplement
  • + Gluten-free
  • + Micro-gel sustained-release system

Cons

  • − Unsuitable for children
  • − Some users found the tablets‘ taste and smell overpowering

Ecological Formulas Allithiamine (Vitamin B1)

Ecological Formulas Allithiamine (Vitamin B1) Ecological Formulas Allithiamine (Vitamin B1)
star 9.1

The Best Form of Thiamine Supplement for Wernicke-Korsakoff Syndrome

  • Type: Capsules
  • Ingredients: Thiamine (thiamine tetrahydrofurfuryl disulfide), calcium, phosphorus, gelatin, microcrystalline cellulose, magnesium stearate, silicon dioxide
  • Shipping policy: Free shipping on orders over $20
  • Return policy: Refund requests can be submitted within 60 days of purchase. Refunds can be granted back to the original form of payment or provided as Rewards credit
  • Discounts (or any other buying perks): 20% off on in-App orders
From $48.56 for 250 capsules
Buy Now Back To List

Allithiamine is a lipid-soluble form of vitamin B1, containing other nutritional cofactors found naturally in garlic. Treating Wernicke-Korsakoff syndrome and beriberi are only some of the allithiamine benefits.

Therefore, this supplement is primarily used in treating these conditions. Customer testimonials report an improvement of symptoms upon consumption, confirming this is the best form of vitamin B1 for Wernicke-Korsakoff syndrome.

A single capsule of this supplement provides you with 50 mg of thiamine (thiamine tetrahydrofurfuryl disulfide), 75 mg of calcium (dicalcium phosphate), and 58 mg of phosphorus (dicalcium phosphate).

This fantastic supplement also plays a significant role in boosting the efficacy of the nervous and cardiovascular systems.

Finally, this supplement is free from various allergens such as corn, soy, yeast, wheat, phenol, thus it can be used by atopic individuals who have to stay away from allergens.


Pros

  • + Certified gluten-free
  • + It easily crosses the blood-brain barrier
  • + Contains other nutritional cofactors

Cons

  • − May cause diarrhea in more sensitive individuals

Seeking Health Thiamin

Seeking Health Thiamin Seeking Health Thiamin
star 9.0

The Best Vitamin B1 Vegan Supplement

  • Type: Capsule
  • Ingredients: Thiamin (thiamine hydrochloride), microcrystalline cellulose, vegetarian capsule (hypromellose and water), ascorbyl palmitate, and silica
  • Shipping policy: Free shipping on domestic orders only (48 contiguous states, including Alaska and Hawaii)
  • Return Policy: A 60-day money-back guarantee on all purchases from authorized sellers
  • Discounts (or any other buying perks): Save 10% on all subscription purchases
From $10.95 for 120 capsules
Buy Now Back To List

If you don’t consume meat and are looking for a supplement suitable for vegans, this thiamine supplement by Seeking Health could be an excellent choice, as it‘s free from dairy and animal-sourced ingredients.

Only one vegetarian capsule of these top vitamin B1 supplements for vegan diet followers provides your body with 50 mg of thiamine (thiamine hydrochloride).

This unique B1 supplement is also free from common allergens such as tree nuts, peanuts, and wheat. Furthermore, it contains no artificial colors, and vitamin B1 reviews and customer testimonials testify to its quality.

Besides being suitable for various groups of consumers with dietary restrictions, this supplement provides fantastic benefits. Some of the key benefits of this product include normalizing carbohydrate metabolism, forming ATP for energy, promoting memory and cognition, etc.


Pros

  • + Suitable for vegans and vegetarians
  • + Gluten-free
  • + Affordable

Cons

  • − Some users noted lowered tolerance to heat upon consumption

Pure Encapsulations BenfoMax

Pure Encapsulations BenfoMax
star 8.9

The Best Vitamin B1 Supplement for Atopic Individuals

  • Type: Capsule
  • Ingredients: Thiamine (as benfotiamine), vegetarian capsule (cellulose, water), hypoallergenic plant fiber (cellulose), ascorbyl palmitate Shipping policy: Free shipping for orders of minimum of $100 within the US (excluding Hawaii, Puerto Rico, and Alaska)
  • Shipping policy: Free shipping for orders of minimum of $100 within the US (excluding Hawaii, Puerto Rico, and Alaska)
  • Return policy: A 30-day money-back guarantee on all returned unopened items
  • Discounts (or any other buying perks): None
From $45.90 for 90 capsules
Buy Now Back To List

BenfoMax is a product that stood out among benfotiamine reviews. This top-notch B1 supplement could be an excellent solution for atopic individuals. Since it maintains the healthy action of the genomic regulator that aids cytokine balance, it may help reduce inflammation, alleviating the typical symptoms of atopy.

Besides being great for atopy, Benfomax helps promote cardiovascular health, supports vision, and promotes healthy renal function. Furthermore, it’s a suitable form of supplementation with vitamin B1 for vegan and vegetarian diet followers.

The production experts at Pure Encapsulation made sure this supplement achieves the highest degree of purity. Namely, each capsule suitable for vegans and vegetarians provides you with 200 mg of benfotiamine. Furthermore, this fantastic supplement is gluten-free and contains no GMO ingredients.


Pros

  • + Gluten-free
  • + Non-GMO
  • + Suitable for vegans and vegetarians
  • + Hypoallergenic

Cons

  • − It may change the smell of urine
  • − Some users claim they experienced fatigue upon consumption

Source Naturals Coenzymated B1

Source Naturals Coenzymated B1 Source Naturals Coenzymated B1
star 8.8

The Best Form of Thiamine With Fast Action

  • Type: Lozenges
  • Ingredients: Thiamine (cocarboxylase), sorbitol, mannitol, sodium citrate, natural peppermint flavor, and magnesium stearate
  • Shipping policy: Free shipping on orders over $20
  • Return policy: Refund requests can be submitted within 60 days of purchase
  • Discounts (or any other buying perks): None
$17.53 for 60 lozenges
Buy Now Back To List

This excellent thiamine supplement in lozenge form offers unique benefits and a remarkably quick onset of action. According to vitamin B1 supplement reviews, the active coenzymated form of thiamine is responsible for the speed of action.

Namely, before vitamins are utilized by the body cells, they must be converted into their active coenzymated form—thiamine pyrophosphate, thiamine diphosphate, or coenzymated thiamine. Since coenzymated B1 already comes in its active form, it doesn‘t require conversion. In other words, It‘s ready to act immediately upon getting into your bloodstream.

This unique product‘s primary role involves producing energy via carbohydrate, fat, and alcohol metabolism. Additionally, it aids neurotransmitter formation in the brain.


Pros

  • + Gluten-free
  • + Quick action
  • + Quality-assured product

Cons

  • − Some users find the taste overpowering

Vitamatic Vitamin B1

Vitamatic Vitamin B1 Vitamatic Vitamin B1
star 8.6

The Best supplement form of vitamin B1 for boosting energy levels

  • Type: Capsule
  • Ingredients: Vitamin B1 (thiamine mononitrate), rice flour, microcrystalline cellulose, calcium carbonate, gelatin capsule, magnesium stearate, stearic acid
  • Shipping policy: Free shipping on all orders in the US
  • Return policy: A 30-day money-back guarantee for all unused items.
  • Discounts (or any other buying perks): Occasional sales (they currently offer a 58% discount)
$59.99 for a two-pack of 120 capsules
Buy Now Back To List

Produced in the US with strict GMP standards, these vitamin B1 supplements by Vitamatic offer a wide array of unique health benefits. According to customer testimonials, one of the best vitamin B1 benefits this product provides is the incredible energy boost.

It increases energy production by increasing metabolic function, that is, converting food to cellular energy. Therefore taking this product is the best way to supplement thiamine if you’re looking to power up.

Besides boosting energy, this supplement supports the nervous and cardiovascular systems.

Finally, this gluten-free non-GMO supplement is made from the purest ingredients to promote optimal body function. It‘s also free from artificial colors, flavors, preservatives, sugar, and starch, as well as common allergens such as soy, yeast, corn, wheat, and egg.


Pros

  • + Third-party tested and GMP-certified
  • + Gluten-free
  • + Non-GMO

Cons

  • − Large capsule size

 

How to Choose the Best B1 Supplement: A Buyer’s Guide

Buyer’s Guide

Choosing the appropriate thiamine supplement can prove to be an arduous task. Therefore, we assembled a detailed buyer’s guide showing what you need to be on the lookout for in order to choose the appropriate thiamine supplement for you.

What‘s Vitamin B and Where to Find It?

Thiamine is a water-soluble vitamin belonging to the B-complex vitamin class. It‘s an essential micronutrient beneficial for optimal body function. Since the human body can‘t produce thiamine, we must get it from external sources, such as food or B1 vitamin supplement products, to meet the recommended daily intake.

You can source thiamine from various vitamin B1 sources such as meat, cereals (brown rice and bran), soybeans, peas, beans, and nuts. Processed foods are usually fortified with synthetic thiamine to make this essential nutrient more available to everyone.

What Are Thiamine Supplements?

Thiamine supplements are vitamin B1 gummies, tablets, pills, etc., that help elevate your thiamine levels or treat vitamin B1 deficiency. They can come as a separate B1 supplement, combined with other B-complex group vitamins, or in multivitamins.

B1 supplement benefits include:

  • Supporting glucose metabolism, thus boosting energy levels.
  • Cardiovascular health promotion
  • The immune system boosting
  • Optimum nervous system activity support
  • Cognition and memory improvement

Different Forms of Thiamine Contained in Thiamine Supplements

Thiamine supplements come in different forms of varying absorbability and provide unique vitamin B1 benefits.

The four main forms include thiamine hydrochloride, thiamine mononitrate, coenzymated thiamine, and benfotiamine.

This section will get you acquainted with details concerning the various thiamine found in supplements and describe their main advantages and disadvantages.

Thiamine Mononitrate

Vitamin B1 nitrate (C12H17N5O4S) is a bitter-tasting synthetic nitrate salt form of vitamin B commonly used in multivitamins and as a food additive. Its non-hygroscopic properties give it low water absorptivity and stability, which makes it a suitable food additive.

Vitamin B1 reviews suggest that thiamine mononitrate is safe to use in multivitamins since the nitrate ions get removed after this thiamine form is dissolved in water, allowing thiamine to get absorbed.

It’s important to note that this thiamine form should be used cautiously, as nitrates can accumulate in the body and lead to kidney stone formation.

Thiamine Hydrochloride

Thiamine hydrochloride (HC12H17ON4SCl2 ) is a less stable hygroscopic thiamine form.

When thiamine hydrochloride enters the bloodstream, it undergoes hydrolysis and is subsequently phosphorylated to form active thiamine pyrophosphate (TPP), also known as cocarboxylase. This substance is involved in amino acid, fatty acid, and carbohydrate metabolism.

Benfotiamine

Benfotiamine (C19H23N4O6PS) is the lipid-soluble, highly bioavailable form of thiamine. It has 3.6 times faster absorbability than regular thiamine, offering the best thiamine supplement bioavailability.

The increased lipid solubility of benfotiamine allows it to penetrate nerve cells more efficiently. Finally, benfotiamine is mainly used in the treatment of diabetic neuropathy.

Coenzymated Thiamine

Coenzymated thiamine is simply thiamine in its active form (thiamine in the pyrophosphate form). Thiamine needs to be converted to thiamine pyrophosphate (TPP) before it can be utilized by cells. This form doesn’t need any further conversions before it starts releasing high vitamin B1 levels in the bloodstream.

This rapid onset of action is the main reason for including coenzymated thiamine into vitamin B1 supplement formulations. Additionally, this form of thiamine is well known for increasing energy levels.

Thiamine Supplement Forms

Vitamin B1 supplements may come in tablet, lozenge, powder, liquid, pill, and gummy form.

Purity

Many brands claim their products are pure and contain no harmful substances. Since that‘s recently become a buzzword, you should check the purity of the B1 vitamin supplement of your choice by scanning the label for third-party certifications or checking reputable online sources.

Dosage

Though thiamine supplements are sold as over-the-counter products, the dosage shouldn’t be arbitrary. You should follow the recommended dosage on the label or a registered health professional‘s advice. This is because the thiamine supplement dose you require might differ from other people‘s (especially if you suffer from deficiency).

Additionally, if your daily diet supplies you with adequate thiamine doses, you might have no need for supplementation.

Recommended daily doses for different age groups are as follows:

Age Group Male Female Pregnancy and Lactation
0–6 months 0.2 mg 0.2 mg
7–12 months 0.3 mg 0.3 mg
1–3 years 0.5 mg 0.5 mg
4–8 years 0.6 mg 0.6 mg
9–13 years 0.9 mg 0.9 mg
14–18 years 1.2 mg 1 mg 1.4 mg
18 and above 1.2 mg 1.1 mg 1.4 mg

Side Effects

B1 vitamin supplement products can produce various side effects in more sensitive individuals. The most common side effects include:

  • Skin discoloration
  • Anaphylaxis
  • Sweating
  • Restlessness
  • Pulmonary edema
  • Generalized itching
  • Feeling of warmth
  • Melena (black tarry stool)
  • Hematemesis (vomiting blood)
  • Hives

Interactions With Other Medications

There are no known severe interactions between vitamin B1 supplements and prescription drugs. However, some sources suggest that moderate interactions can occur between thiamine supplements and the following drugs—roxithromycin, erythromycin base, azithromycin, erythromycin stearate, clarithromycin, erythromycin lactobionate, and erythromycin ethylsuccinate.

Thiamine Deficiency

Vitamin B1 deficiency typically leads to a condition called beriberi, characterized by a host of cardiovascular and neurological manifestations. Common symptoms of beriberi include fast heartbeat, mental confusion, and limb numbness.

A severe nervous system disorder called Wernicke encephalopathy can also result from thiamine deficiency. The most effective way of treating these conditions is by taking vitamin B1 supplements.

Conclusion

Thiamine is an essential nutrient our bodies can’t synthesize, which means we have to get it from external sources. As seen from the article above, thiamine supplements come in different formulations to meet various requirements of consumers.

We meticulously analyzed various products to present you with detailed information on the best B1 supplement products on the market. We also made sure that we introduced variety into our list and that each thiamine product on the list has unique features to suit various consumers‘ needs and preferences.

FAQs

How much B1 should I take?

The recommended daily intake of thiamine is 1.2 mg for adult males and 1.1 mg for adult males. B1 dosage for children, on the other hand, varies from 0.2 mg to 1.2 mg per day according to their age and gender.

Additionally, if you don’t suffer from thiamine deficiency, you shouldn’t take high vitamin b1 levels. In other words, you shouldn’t take more than 50 mg a day.

Is benfotiamine the same as vitamin B1?

Benfotiamine is a lipid-soluble form of thiamine (vitamin B1). Despite being chemically and structurally similar, benfotiamine is more easily absorbed than regular thiamine.

What are the side effects of taking too much vitamin B1?

Taking too much thiamine is generally unlikely to result in toxicity or cause serious side effects, as the excess is usually flushed out by urine.

However, some individuals might develop hypertension (high blood pressure) upon taking excessive doses of this essential nutrient. Other symptoms include rash, indigestion, nausea, diarrhea, stomach cramps, insomnia, and mood swings.

Is benfotiamine good for neuropathy?

Benfotiamine is highly recommended for treating diabetic neuropathy.

Which is the best form of thiamine?

There isn‘t a universal thiamine form that can solve every issue. Every thiamine form has its unique features and serves a specific function. In other words, the best B1 supplement is one that perfectly suits your needs.

For example, lipid-soluble thiamine nitrate is more bioavailable than water-soluble thiamine hydrochloride. In other words, if you’re looking for a vitamin B supplement that your body will quickly absorb and use, thiamine nitrate is the way to go.

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Lina Velikova, MD, PhD

Lina’s journey into the world of medicine started in 2004. After her graduation, she became motivated to become an immunologist. She has extensive experience as a scientist and author of scientific papers. Her areas of expertise include autoimmune diseases, allergology, internal medicine, transplantation medicine, immunotherapy, and pediatric immunology. Later, Lina was inspired to become a medical writer for our site. Here, she finds a great place to unfold her potential in writing about socially significant conditions.

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1 comment
  1. Titans Rage says:
    October 24, 2021 at 4:18 pm

    This piece of writing is actually a nice one it helps new internet users, who are wishing for blogging.

    Reply

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