Best Thiamine

#1 Real Supplements Rated Best in 2020
Nutricost Vitamin B1 (Thiamine) 100mg, 120 Capsules - Gluten Free and Non-GMO
3,290 Reviews
Nutricost Vitamin B1 (Thiamine) 100mg, 120 Capsules - Gluten Free and Non-GMO
  • 100mg of Vitamin B1 in Every Capsule
  • 120 Capsules Per Bottle
  • High Quality Vitamin B1 In Every Serving
  • Made in a GMP Compliant, FDA Registered Facility
  • Non-GMO, Gluten Free, 3rd Party Tested
Sale#2 Real Supplements Rated Best in 2020
Solgar Vitamin B1 (Thiamin) 500 mg, 100 Tablets - Energy Metabolism, Healthy Nervous System, Overall Well-Being - Super Potency - Non-GMO, Vegan, Gluten/Dairy Free - 100 Servings
2,534 Reviews
Solgar Vitamin B1 (Thiamin) 500 mg, 100 Tablets - Energy Metabolism, Healthy Nervous System, Overall Well-Being - Super Potency - Non-GMO, Vegan, Gluten/Dairy Free - 100 Servings
  • Essential for a healthy nervous system, muscle function, and overall well being
  • Gluten,wheat and dairy free
  • Suitable for Vegetarians
  • Trademarks:Solgar’s KOF-K certification # K-1250
#3 Real Supplements Rated Best in 2020
Nutricost Vitamin B1 (Thiamine) 500mg, 120 Capsules
7,809 Reviews
Nutricost Vitamin B1 (Thiamine) 500mg, 120 Capsules
  • 500mg of Vitamin B1 (Thiamin) Per Capsule
  • 120 Capsules Per Bottle
  • High Quality Vitamin B1 In Every Serving
  • Non-GMO, Gluten Free, 3rd Party Tested
  • Made in a GMP Compliant, FDA Registered Facility
#4 Real Supplements Rated Best in 2020
Vitamin B1 500mg with Benfotiamine, 180 Capsules, 2 in 1 Enhanced Formula, Fat & Water Soluble Thiamine B1 Supplement, Third Party Tested | Non-GMO, No Gluten
1,180 Reviews
Vitamin B1 500mg with Benfotiamine, 180 Capsules, 2 in 1 Enhanced Formula, Fat & Water Soluble Thiamine B1 Supplement, Third Party Tested | Non-GMO, No Gluten
  • Deal Supplement 2-in-1 high bioavailable vitamin B1 benfotiamine complex. Offers complete digesting fat & water soluble forms of the B1 vitamin. Derived from premium thiamine mononitrate with S-Benzoylthiamine O-Monophosphate. An optimized combination that uses benfotiamine to boost levels of overall vitamin B1 within the body.
  • A formula that is designed to work together in providing key micronutrients for healthy energy vitamins, nervous system & glucose support. Every single capsule serving size contains thiamine 500mg fortified with benfotiamine 25mg and offers 180 potent servings in every bottle.
  • This dual-acting formula provides combined benefits that also promote the body in turning food into energy, which supports lasting energy throughout the day and aids in total nutrient uptake. As well as replenishing essential vitamin b complex levels that are needed in both mens health and womens health.
  • Vitamin B1 works best when paired with its closely resembled derivative, benfotiamine. After digestion, benfotiamine is converted directly into thiamin, which is shown to be a much more absorbable form over Vitamin B1 by itself. Giving the body essential nutrients to carry out processes that support overall cellular development and may also work as a natural mosquito repellent.
  • Quality Ensured – 3rd party lab tested, Non-GMO ingredients. Made without gluten, dairy, eggs, peanuts, soy, wheat, yeast, and tree nuts.
#5 Real Supplements Rated Best in 2020
NOW Foods Vitamin B-1 (Thiamine) 100mg, 100 Tablets (Pack of 2)
465 Reviews
#6 Real Supplements Rated Best in 2020
Life Extension Benfotiamine with Thiamine, 100 mg - Water & Fat Soluble Vitamin B1 Supplement For Glucose Blood Sugar Level and Nerve Health Support - Gluten-Free, Non-GMO, Vegetarian - 120 Capsules
695 Reviews
Life Extension Benfotiamine with Thiamine, 100 mg - Water & Fat Soluble Vitamin B1 Supplement For Glucose Blood Sugar Level and Nerve Health Support - Gluten-Free, Non-GMO, Vegetarian - 120 Capsules
  • MAINTAIN ALREADY-HEALTHY BLOOD SUGAR LEVELS – Benfotiamine is a fat-soluble form of vitamin B1 (thiamine) that supports healthy glucose metabolism. It also helps protect your body’s tissues against oxidative stress and advanced glycation end products (AGEs), which are compounds that accumulate with age.
  • SUPERIOR BIOAVAILABILITY - Unlike the water-soluble form, the fat-soluble thiamine (benfotiamine) in our formula easily penetrates cells. It’s been shown to support thiamine levels faster and longer than water-soluble thiamine.
  • HEALTHY ENDOTHELIAL FUNCTION - Benfotiamine helps promote a healthy inflammatory response. Taking Benfotiamine with Thiaminenot only helps modulate glucose metabolism and promote already-healthy blood sugar levels, but it also supports healthy endothelial function.
  • INGREDIENTS MATTER - Sourced using only the finest raw ingredients with the purity and potency your body deserves. This product is certified non-GMO and gluten-free. Manufactured in the USA and a Certificate of Analysis is available for every product we produce.
  • LIVE YOUR HEALTHIEST LIFE - For over 40 years, we’ve been developing advanced, effective formulas made with the highest standards and based on the latest scientific findings. We believe the answers to a healthier, richer life are within reach and that rigorous scientific research is the path to get us there. Or formulations are created using the exact ingredients and dosages used in the studies that inspired them, ensuring that maximum bioavailability and efficacy is achieved.
#7 Real Supplements Rated Best in 2020
Thiamax Vitamin B1 (Thiamine TTFD) Capsules, No Fillers or Flow Agents, 100mg, 60 Count
205 Reviews
Thiamax Vitamin B1 (Thiamine TTFD) Capsules, No Fillers or Flow Agents, 100mg, 60 Count
  • High Intestinal Absorption*
  • Free transport across membranes*
  • Shown to increase brain thiamine content*
  • Therapeutic effect at low doses*
  • Non-GMO and does not contain gluten
#8 Real Supplements Rated Best in 2020
Pure Encapsulations BenfoMax | B1 (Thiamine) Supplement to Support a Healthy Carbohydrate Metabolism and Kidney Cellular Health* | 90 Capsules
432 Reviews
Pure Encapsulations BenfoMax | B1 (Thiamine) Supplement to Support a Healthy Carbohydrate Metabolism and Kidney Cellular Health* | 90 Capsules
  • Bioavailable: Benfotiamine, S-benzoylthiamine-O-monophosphate, is a soluble vitamin B1 (thiamine) derivative that exhibits enhanced bioavailability and bioactivity.*
  • Maintains AGE Activity: Maintains healthy advanced glycation end product (AGE) activity and carbohydrate metabolism already within the normal range.*
  • Nerve Health: In a randomized controlled study, Benfotiamine supported healthy nerve conduction velocity and nerve comfort.*
  • Pure Quality: Our supplements 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.
  • Pure Difference: What makes us different isn't just our process or what goes into our supplements -- what we leave out matters, too. Pure Encapsulations products are FREE FROM wheat, eggs, tree nuts & peanuts, gluten, artificial colors, flavors & sweeteners, coatings and shellacs, GMOs, and unnecessary binders, fillers & preservatives.
#9 Real Supplements Rated Best in 2020
Seeking Health | Thiamine Supplement | Vitamin B1 | 50 mg | 120 Vegetarian Capsules
387 Reviews
Seeking Health | Thiamine Supplement | Vitamin B1 | 50 mg | 120 Vegetarian Capsules
  • SUPPORTS A HEALTHY nervous system and healthy brain function*
  • MAY HELP MAINTAIN a positive mental state*
  • CAN HELP SUPPORT normal energy levels*
  • DOES NOT CONTAIN: Magnesium Stearate, Milk, Eggs, Fish, Shellfish, Tree Nuts, Peanuts, Wheat, Soy
  • VEGETARIAN CAPSULE containing 50 mg of thiamine hydrochloride
#10 Real Supplements Rated Best in 2020
Vitamin B1 (Thiamine) Drops - High Potency Thiamine Vitamin B1 Extract - Vegan, Alcohol-Free Non-GMO Vitamin Liquid - Maintain Nervous System Health, Support Digestion & Boost Energy, 1 Fl Oz.
508 Reviews
Vitamin B1 (Thiamine) Drops - High Potency Thiamine Vitamin B1 Extract - Vegan, Alcohol-Free Non-GMO Vitamin Liquid - Maintain Nervous System Health, Support Digestion & Boost Energy, 1 Fl Oz.
  • NATURAL ENERGY BOOST: Known as Thiamine, Vitamin B1 is an essential nutrient that converts carbs, fats and proteins into rich energy, so you can feel invigorated and get the most from your day.
  • HEALTHY DIGESTION & METABOLISM: High potency Thiamine enhances digestion and appetite. Known as an anti-stress vitamin, it protects the immune system and helps boost your mood.
  • NERVOUS SYSTEM SUPPORT: This B Vitamin is vital for maintaining healthy cardiovascular and nervous systems. Adding the vitamin liquid to water promotes healthy hair, skin, eyes, muscles and organs.
  • PURE, POTENT & MADE IN THE USA: HoneyCombs Industries vitamin B liquids are manufactured in the USA with zero fillers, artificial preservatives, colors or flavors and no gluten, soy, milk or egg.
  • FEEL BETTER OR YOUR MONEY BACK: We guarantee that youÕll love our high dose Thiamine Vitamin B1 drops or you can ship it back to us within 30 days of ordering for a full refund, no questions asked.
Sale#11 Real Supplements Rated Best in 2020
Carlyle Vitamin B-1 | 100mg | 300 Tablets | Non-GMO and Gluten Free Thiamin Supplement
229 Reviews
Carlyle Vitamin B-1 | 100mg | 300 Tablets | Non-GMO and Gluten Free Thiamin Supplement
  • ESSENTIAL B-1: Support your daily routine with 100 mg of Thiamin, 8,333% of your daily value!
  • VEGAN FORMULA: With convenient vegan tablets, this formula is perfect for any lifestyle
  • ROOTED IN WELLNESS: Carlyle provides premium, honest supplements in your pursuit to healthy living
  • CARLYLE MANUFACTURERS: Laboratory Tested, Trusted Ingredients, Superior Quality, 100% Guaranteed!
  • NATURALLY FREE OF: Gluten, Wheat, Yeast, Lactose, Soy, Artificial Flavor, Preservatives & Non-GMO
Sale#12 Real Supplements Rated Best in 2020
EZ Melts Dissolvable Vitamin B1 Supplement to Support Healthy Energy Levels - Vegan B1 Vitamin Tablets Promote Overall Well-Being - Zero Sugar Thiamine B1 Supplement - Vitamin B1 Thiamine Supplement
1,641 Reviews
EZ Melts Dissolvable Vitamin B1 Supplement to Support Healthy Energy Levels - Vegan B1 Vitamin Tablets Promote Overall Well-Being - Zero Sugar Thiamine B1 Supplement - Vitamin B1 Thiamine Supplement
  • Seize the Day –– Tired of the familiar afternoon wall? Stop relying on caffeine that causes you to crash. This vit B1 supplement provides metabolism support which can promote healthy energy levels.* Help your body turn your food into fuel
  • Routine Ready –– No matter how busy your schedule is, this supplement can always slot right in. The dissolvable vitamin B 1 tablet melts right on the tip of your tongue. Nutrients are readily available for absorption after ingesting to help promote nervous system and cellular health*
  • Your New Dietary Sidekick –– Plant-based diets can sometimes be lacking in B vitamins. Fill in your nutritional gaps with this B1 vitamin supplement. Every ingredient is vegan, non-GMO, and free from common allergens such as gluten, soy, and dairy
  • Sweet with a Secret –– B1 vitamins can be bitter and difficult to get down. That's why we've carefully crafted a supplement that’s tasty without the need for loads of sugar. This vitamin formula relies on natural sweeteners and doesn't include artificial flavors or colors
  • Manufactured in the USA –– Don't settle for supplements with unknown origins. These vitamin B-1 tablets are made at home in our sunny Florida facilities. We use global ingredients from US-based suppliers we are on a first-name basis with
#13 Real Supplements Rated Best in 2020
Nature's Way Vitamin B-1, 100 mg per serving, Thiamin HCI, 100 Capsules
1,025 Reviews
Nature's Way Vitamin B-1, 100 mg per serving, Thiamin HCI, 100 Capsules
  • Formulated for Women: Supports vaginal health digestive balance and immune health*
  • With 6 probiotic strains to support gut diversity and 50 billion live probiotic strains per capsule.* Contains Lactobacilli strains to support women’s health.* Bifidobacteria supports colon health*
  • Plant-Based Prebiotics: Organic blue agave inulin chicory root and gum acacia fibe
  • Keep refrigerated for maximum potency. Capsules are resistant to the harmful effects of stomach acid to deliver live cultures to the proper area of the small intestine and colon where they’re needed most
  • Gluten-free and dairy-free with no artificial colors
#14 Real Supplements Rated Best in 2020
Metabolics Vitamin B1 Supplement | B1 Thiamine Pyrophosphate (100ml) | Additive Free
  • EASY TO ABSORB VITAMIN B VITAMIN: A quick way to give your body a boost! We only use the highest quality B vitamins in their most bioavailable form. This means that you will feel the benefits faster as the vitamins will be utilised by the body without first having to be converted metabolically.
  • HELP YOUR BODY STAY IN TIP-TOP SHAPE: B vitamins play an important role in keeping your body running like a well-oiled machine. Our vitamin b complex drops will help convert food into fuel, helping you stay energized throughout the day and ensuring you get the essential nutrients you need. Get your B1 with Metabolic’s Thiamine Pyrophosphate liquid.
  • VEGAN FRIENDLY: Our Vitamin B1 liquid drops can help ensure that those on a reduced or animal-free diet are getting the right amount of Vitamin B1 every single day. Worried about allergies? This product is also gluten and nut-free for stress-free vitamin intake.
  • HIGH-QUALITY INGREDIENTS MANUFACTURED IN THE UK: Metabolics B1 Thiamine Liquid is high quality in its composition. Created by sourcing premium ingredients, meeting GMP quality standards, and undergoing thorough testing, giving you peace of mind that you are choosing the highest quality vitamin B1 liquid available.
  • PURE VITAMIN B1 LIQUID: We use only the active, and highly absorbable forms of all the beautiful B Vitamins in our liquid supplement drops. This means they are free from added colours, flavours, and preservatives to promote healthy skin and hair.
#15 Real Supplements Rated Best in 2020
BulkSupplements.com Thiamine HCl (Vitamin B1) Powder - Thiamine 100mg - Vitamin B Supplements - B1 Vitamins 100mg - VIT B1 (100 Grams - 3.5 oz)
230 Reviews
BulkSupplements.com Thiamine HCl (Vitamin B1) Powder - Thiamine 100mg - Vitamin B Supplements - B1 Vitamins 100mg - VIT B1 (100 Grams - 3.5 oz)
  • A B1 vitamin supports metabolic function and promotes healthy eyes*
  • Thiamine B1 supplement works to support the kidneys and fortifies the nervous system*
  • Helps support brain function*
  • Aids cognition & memory*
  • Assists in exercise recovery*
Sale#16 Real Supplements Rated Best in 2020
MASON NATURAL, Vitamin B-1 Thiamine Tablets, 250 Mg, 100-Count Bottle, Dietary Supplement Supports Energy Production and Healthy Metabolism, Helps Break Down Fats and Protein
2,289 Reviews
MASON NATURAL, Vitamin B-1 Thiamine Tablets, 250 Mg, 100-Count Bottle, Dietary Supplement Supports Energy Production and Healthy Metabolism, Helps Break Down Fats and Protein
  • VITAMIN B1: Our once a day tablets are a high potency thiamine supplement that may help support natural energy levels due to its role in the conversion of food to energy.
  • PURE AND POTENT: Our vitamin B1 formula contains 250 mg of thiamine (B1) which helps support nervous system function and convert food into cellular energy.
  • B-VITAMINS: Vitamin B1 is in a family of nutrients called coenzymes that help enzymes perform essential chemical reactions, such as maintaining the health of the central nervous, cardiovascular, pulmonary and immune systems.
  • NO BAD STUFF: Soy Free. Guaranteed no added: Starch, Wheat, Corn, Soy, Yeast, Egg, Artificial Colors or Flavors, Gluten, Fragrance, Preservatives. Sodium Free.
  • THE BEST VITAMINS FOR OVER 50 YEARS: For more than five decades, Mason Natural has produced quality vitamin supplements under cGMPs (current Good Manufacturing Practices) and adhering to US guidelines. All ingredients and finished goods are subjected to rigorous analytical testing, inspections and quality auditing.
#17 Real Supplements Rated Best in 2020
NOW Vitamin B-1 (thiamine) 100mg, 100 Tablets (Pack of 4)
206 Reviews
NOW Vitamin B-1 (thiamine) 100mg, 100 Tablets (Pack of 4)
  • Pack of four, 100 tablets each (total of 400 tablets)
  • Free of sugar
  • Free of soy and milk
#18 Real Supplements Rated Best in 2020
Healthfare Benfotiamine 300mg | 200 Capsules | Fat Soluble Thiamine Vitamin B1 | Supports Glucose Metabolism, Cardiovascular and Nervous System Health | Non-GMO | Gluten Free
81 Reviews
Healthfare Benfotiamine 300mg | 200 Capsules | Fat Soluble Thiamine Vitamin B1 | Supports Glucose Metabolism, Cardiovascular and Nervous System Health | Non-GMO | Gluten Free
  • BLOOD GLUCOSE: Benfotiamine is often used to help promote and maintain healthy blood glucose levels in the body. Our formula is optimized for maximum bioavailability to help support and promote healthy glucose metabolism as well as supports healthy endothelial function. Because it is fat soluble it's able to provide a better bioavailability than water-soluble forms supporting the entire glucose metabolism and delivering the powerful benefits of this naturally occurring compound
  • NERVOUS SYSTEM SUPPORT: Benfotiamine can be used to boost Thamin levels to support central nervous system function, relieve nerve pain, discomfort, as well as heart and arterial health and other symptoms related to an underactive thiamine metabolism
  • HIGHLY ABSORBABLE: Our body converts Benfotiamine into Thiamin after ingestion, Benfotiamine is up to 5x more absorbable than Thiamin
  • THIAMINE REPLACEMENT: Benfotiamine can help replace the thiamine that can be lost due to a due to bad health habits
  • BIOAVAILABILITY: Benfotiamine is fat soluble and the most bioavailable form of vitamin B1
#19 Real Supplements Rated Best in 2020
BIOTICS Research Thiamin 50™ – High Potency Vitamin B1, 50 mg, Energy Production, Metabolic Support, Cardiovascular Health, Brain Health. 90 Capsules
74 Reviews
BIOTICS Research Thiamin 50™ – High Potency Vitamin B1, 50 mg, Energy Production, Metabolic Support, Cardiovascular Health, Brain Health. 90 Capsules
  • MAINTAIN HEALTHY METABOLISM: Thiamin is necessary to help convert carbohydrates into glucose, the body’s preferred energy source. It also helps break down fats and proteins.
  • BUILDS BRAIN HEALTH: Thiamin may provide neuroprotective benefits and helps support cognitive function. It also enhances focus, energy, memory and learning retention.
  • CARDIOVASCULAR HEALTH: Thiamin is essential for production of acetylcholine, a neurotransmitter relaying messages between nerves and heart muscle. Thiamin helps maintain healthy ventricular function
  • WHO WE ARE: Biotics Research was the first company to introduce a natural form of CoQ10 as a dietary supplement into the US market in 1979. We have revolutionized the nutritional supplement industry by utilizing “The Best of Science and Nature”. We drive advancement by focusing our initiatives on research, natural effectiveness, product safety, efficacy, unparalleled quality control and continuing innovation.
  • QUALITY MADE IN THE USA: We produce tablets, capsules, powders and liquids in our Rosenberg, Texas, Texas Department of Health licensed, GMP-certified production and laboratory facility. Our products are tested in our state-of-the-art laboratory to ensure their safety, efficacy, and purity, and Thiamin 50, like all Biotics Research products, is Gluten Free!
#20 Real Supplements Rated Best in 2020
Vitamin B1 Thiamine Mononitrate - Liquid Drops Supplement - Aid Body Functions, Boost Energy, Support Metabolism Food Conversion (2 Fl Oz (Pack of 1))
76 Reviews
Vitamin B1 Thiamine Mononitrate - Liquid Drops Supplement - Aid Body Functions, Boost Energy, Support Metabolism Food Conversion (2 Fl Oz (Pack of 1))
  • Support your overall health and wellness with vitamin B1 thiamine mononitrate. This essential nutrient plays a vital role in metabolism, brain function, and overall health.
  • Experience the convenience of liquid vitamin b1. Easier for the body to absorb and utilize than pills or capsules, liquid b1 offers quick and reliable support for your health and wellness goals.
  • Get an impressive 1000% of your daily value of vitamin B1 in just one serving of our liquid drops! Each serving provides a generous 12mg dose of the essential nutrient b1 vitamin.
  • Widely used in both nutritional and cosmetic products, Vitamin B1 thiamine promotes healthy skin and hair growth, helping you to look and feel your best.
  • Customer satisfaction is our top priority. That's why we offer a 100% satisfaction guarantee on all of our products. If you're not completely happy with your purchase, we can make it right.

Best 10 Benefits of Thiamine

Thiamine, also known as vitamin B1, is a vital nutrient that aids in breaking down food into energy and supports the nervous and cardiovascular systems. Thiamine is abundant in foods such as pork, whole grains, beef, and nuts. Below are ten amazing benefits of this vitamin.

1. Prevents nerve damage

Research has shown that a thiamine deficiency can negatively impact the nervous system; one associated condition is encephalopathy. Proper intake of vitamin B1 stimulates the growth of structures such as myelin sheath, which protects nerves from damage.

2. Boosts energy

Thiamine is known to control compounds such as pyruvate dehydrogenase, transketolase, and α ketoglutarate dehydrogenase. These substances regulate the synthesis of adenosine triphosphate as well as carbohydrate metabolism. Regular thiamine intake ensures that metabolism occurs at an efficient rate.

3. Slows aging

This vitamin has numerous anti-aging, skin-nourishing properties. It helps protect the skin from acne scars, wrinkles, and age spots by preventing oxidative damage.

4. Promotes cardiovascular health

Vitamin B1 has been shown to boost ventricular function; this helps ward off heart failure and other diseases. It also assists in producing acetylcholine, a neurotransmitter that regulates heartbeat.

5. Stimulates the brain

Multiple studies have shown that a thiamine deficiency can lead to severe neurological disorders such as Alzheimer’s. regular intake stimulates the brain and improves memory and concentration.

6. Protects vision

Thiamine supplements protect the eyes from numerous conditions. This vitamin boosts nerve signals and protects the eye muscles, thereby preventing issues such as glaucoma and cataracts.

7. Promotes gastrointestinal health

Hydrochloric acid, the acid found in the stomach, cannot be produced without thiamine. Vitamin B1 lowers the levels of compounds such as pyruvate and lactate, which can cause gastrointestinal distress. This nutrient also helps maintain muscle tone in the abdomen.

8. Boosts immunity

Research has shown some connections between a vitamin B1 deficiency and disorders of the thyroid and immune systems. Without proper thiamine, the body is unable to absorb the nutrients it needs to ward off infections, thus resulting in more frequent illness and even autoimmune diseases.

9. Combats stress

Thiamine helps produce the neurotransmitters necessary for maintaining a mild disposition. Too little thiamine can cause the level of certain hormones to rise, thereby increasing stress. Regular vitamin B1 intake is known to positively affect the brain and naturally combat anxiety and depression.

10. Regulates appetite

Recent research has shown thiamine to be an effective appetite booster. A deficiency in this vitamin can lead to undereating and unhealthy weight loss.


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