vitamin Vitamins Oral

Vitamin B1

Vitamin B1 is essential for energy metabolism and supports nervous system function.

Sci.Thiamine aneurine hydrochloride clorhidrato de tiamina thiamin thiamine hcl thiamine hydrochloride thiamin hcl vitamin b1 Vitamin B1 (thiamine hydrochloride)
16 forms
Oral

About Vitamin B1

Vitamin B1, or thiamine, is a water-soluble vitamin that is vital for energy metabolism, particularly in converting carbohydrates into energy. It is crucial for the proper functioning of the nervous system and plays a role in the synthesis of neurotransmitters, making it essential for overall health.

Official resources

Fact sheets from the NIH Office of Dietary Supplements related to this ingredient group.

Dietary Supplement Label Database

Ingredient group data in NutriNav is aligned with the NIH Dietary Supplement Label Database (DSLD).

DSLD group id
2556

At a glance

Approval status

supplement

Compare All Forms

16 forms

Compare supplement forms of Vitamin B1 by absorption quality and what your body actually gets from each:

High Moderate Low
Form Absorption Steps to absorb Notes Action
Vitamin B1 (benfotiamine)
  • CAS: 22457-89-2
  • DSLD group id: 2452
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Vitamin B1 (fursultiamine)
  • CAS: N/A
  • DSLD group id: 3907
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Vitamin B1 (mixed)
  • CAS: 59-43-8
  • DSLD group id: 3328
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Vitamin B1 (Prosultiamine)
  • DSLD group id: 9695
  • Label category: synthetic
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Vitamin B1 (Sulbutiamine)
  • CAS: 3286-46-2
  • DSLD group id: 9696
  • Label category: synthetic
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Vitamin B1 (thiamin disulfide)
  • CAS: 53-43-0
  • DSLD group id: 9697
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Vitamin B1 (thiamin pyrophosphate)
  • CAS: 59-43-8
  • DSLD group id: 9699
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Vitamin B1 (thiamine diphosphate)
  • CAS: 59-43-8
  • DSLD group id: 9700
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Vitamin B1 (thiamine disulfide)
  • DSLD group id: 4017
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Vitamin B1 (thiamine HCl)
  • CAS: 67-03-8
  • DSLD group id: 2667
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Vitamin B1 (thiamine hydrochloride)
  • CAS: 67-03-8
  • DSLD group id: 9701
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Vitamin B1 (thiamine monohydrate)
  • CAS: 59-43-8
  • DSLD group id: 3877
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Vitamin B1 (thiamine mononitrate)
  • CAS: 59-43-8
  • DSLD group id: 2833
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Vitamin B1 (thiamine pyrophosphate)
  • CAS: 59-43-8
  • DSLD group id: 3290
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Vitamin B1 (Thiamine)
  • CAS: 59-43-8
  • DSLD group id: 2556
  • Label category: synthetic
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Vitamin B1 (unspecified)
  • CAS: 59-43-8
  • DSLD group id: 2665
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Also appears on labels as

Additional names seen on supplement labels for forms of this ingredient (beyond the main aliases above).

benfopure, cocarboxylase, cocarboxylase chloride, cocaroxylase chloride, coenzymated vitamin b1, coenzyme b1, coenzyme thiamin diphosphate, cultured thiamin hydrochloride, from 20 mg cocarboxylase [coenzymated(tm)], from coenzyme thiamin diphosphate, fursultiamine, liposomal vitamin b1, mononitrato de tiamina, natural thiamin pyrophosphate, organic thiamine, s-benzoylithiamine-o-monophosphate, s-benzoylthiamine-o-monophosphate, spirulina-bound thiamine hcl, thiamin (vitamin b-1) diphosphate, thiamin b1, thiamin cocarboxylase, thiamin diphosphate, thiamin diphosphate/cocarboxylas, thiamin disulfide, thiamine, thiamine b1, thiamine chloride, thiamine cocarboxylase, thiamine cocarboxylase chloride, thiamine di-sulfide, thiamine diphosphate, thiamine disulfide, thiamine disulfide butyrate, thiamine mononitrate, thiamine mononitrate pyrophosphate, thiamine nitrate, thiamine propyl disulfide, thiamine pyrophosphate, thiamine tetrahydro furfuryl disulfide, thiamine tetrahydrofurfuryl disulfide, thiamin hydrochloride, thiamin monohydrate, thiamin mononitrate, thiamin pyrophosphate, thiamin tetrahydrofurfuryl disulfide, tiamina, ttfd, vit. b1, vitamin 10b1, vitamin b-1, Vitamin B1 (benfotiamine), Vitamin B1 (fursultiamine), Vitamin B1 (mixed), Vitamin B1 (Prosultiamine), Vitamin B1 (Sulbutiamine), Vitamin B1 (thiamin disulfide), Vitamin B1 (Thiamine), Vitamin B1 (thiamine diphosphate), Vitamin B1 (thiamine disulfide), Vitamin B1 (thiamine HCl), Vitamin B1 (thiamine monohydrate), Vitamin B1 (thiamine mononitrate), Vitamin B1 (thiamine pyrophosphate), Vitamin B1 (thiamin pyrophosphate), Vitamin B1 (unspecified), vitamin b1 hydrochloride

Type: Vitamins

Organic compounds essential for normal growth and nutrition. Required in small quantities in the diet because they cannot be synthesized by the body.

Absorption: Fat-soluble vitamins require dietary fat for absorption. Water-soluble vitamins are generally well-absorbed but excess amounts are excreted.

Interactions: Some vitamins can interfere with medications. Fat-soluble vitamins can accumulate in the body.

Watch out for

Possible interactions or cautions — talk to a healthcare provider if unsure.

  • May interact with certain diuretics and antidiabetic medications.

Potential Benefits

Benefits associated with Vitamin B1 forms:

Energy Metabolism Nerve Health Nervous System Support Energy Metabolism Support Nervous system health Supports Nerve Health

And 5 more benefits...

Potential Side Effects

Side effects associated with Vitamin B1 forms:

None How serious: None Allergic Reactions How serious: Mild Gastrointestinal Discomfort How serious: low Gastrointestinal Distress How serious: low Headache How serious: Mild Nausea How serious: Mild

What does the research say?

Thiamine is well-studied for its role in preventing and treating beriberi and Wernicke-Korsakoff syndrome. Numerous studies have demonstrated its importance in carbohydrate metabolism and neurological health.