Thiamine (Vitamin B-1)
An essential vitamin for energy metabolism and nervous system health.
Also known as: Vitamin B1
Overview
Thiamine, also known as Vitamin B-1, is a water-soluble vitamin that plays a crucial role in converting food into energy. It is essential for the proper functioning of the heart, muscles, and nervous system. Thiamine cannot be produced by the body and must be obtained through diet or supplementation.
Key Benefits
Supports Energy Metabolism
Thiamine is a key coenzyme in the metabolic pathways that convert carbohydrates into energy.
Promotes Nervous System Health
It is essential for the synthesis of neurotransmitters and the maintenance of myelin sheaths, which protect nerve fibers.
Aids in Heart Function
Thiamine is necessary for the proper functioning of the heart muscle and for maintaining a healthy cardiovascular system.
Dosage & How to Take
The recommended daily allowance (RDA) for thiamine varies by age and sex. Higher doses may be used to treat thiamine deficiency, which can occur in certain medical conditions or with excessive alcohol consumption.
| Purpose | Dose | Notes |
|---|---|---|
| General Health (RDA) | 1.1-1.2 mg per day | For most adults. |
| Thiamine Deficiency | 5-30 mg per day | Under medical supervision. |
Best Time to Take
Can be taken with or without food.
With or Without Food
Can be taken with or without food.
Forms & Bioavailability
| Form | Absorption | Best For | Notes |
|---|---|---|---|
| Thiamine HCl | Good | General supplementation | The most common and affordable form of thiamine. |
| Benfotiamine | High | Nerve health | A fat-soluble form of thiamine that may be more effective for certain conditions. |
Side Effects & Safety
Common
- None at normal doses
Rare
- Allergic reactions (with injections)
Contraindications
Interactions
May increase the excretion of thiamine from the body.
Scientific Research
Thiamine deficiency and Wernicke-Korsakoff syndrome
A classic example of the neurological consequences of thiamine deficiency, often seen in chronic alcoholics.
The role of thiamine in neurodegenerative diseases
Emerging research suggests that thiamine may have a protective role in neurodegenerative diseases like Alzheimer's and Parkinson's.
Food Sources
Products With Thiamine (Vitamin B-1)
2 products in our database contain this ingredient
Frequently Asked Questions
Medical Disclaimer
This content is for educational and informational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen, especially if you have pre-existing health conditions or are taking medications. The statements on this page have not been evaluated by the Food and Drug Administration.