Thiamine (B1)
An essential vitamin that plays a critical role in energy metabolism and nerve function.
Also known as: Vitamin B1
Overview
Thiamine, also known as vitamin B1, is a water-soluble vitamin that is essential for the conversion of food into energy. It is also vital for the proper functioning of the nervous system, heart, and muscles.
Key Benefits
Crucial for Energy Metabolism
Thiamine is a cofactor for several enzymes that are essential for the metabolism of carbohydrates, fats, and proteins.
Supports Nervous System Health
It is necessary for the synthesis of neurotransmitters and the maintenance of myelin sheaths, which protect nerves.
Promotes Heart Health
Thiamine is important for the proper functioning of the heart muscle.
Dosage & How to Take
The RDA for thiamine is around 1.2 mg for men and 1.1 mg for women. Supplements are often taken in much higher doses for therapeutic purposes.
| Purpose | Dose | Notes |
|---|---|---|
| General Health | 1-2 mg | Typically obtained through diet. |
| Thiamine Deficiency | 5-30 mg | Taken daily in divided doses. |
| Wernicke-Korsakoff Syndrome | Up to 100 mg | Administered under medical supervision. |
Best Time to Take
Can be taken at any time of day, with or without food.
With or Without Food
Not necessary, but can be taken with food if it causes stomach upset.
Forms & Bioavailability
| Form | Absorption | Best For | Notes |
|---|---|---|---|
| Thiamine HCl | Good | General supplementation. | The most common and affordable form. |
| Benfotiamine | High | Nerve health and individuals with impaired thiamine absorption. | A fat-soluble form of thiamine with higher bioavailability. |
Side Effects & Safety
Common
- None at typical oral doses.
Rare
- Allergic reactions (usually with injections), skin rash.
Contraindications
- None for oral supplementation.
Interactions
May increase the excretion of thiamine from the body.
Scientific Research
Thiamin - Vitamin B1
A comprehensive overview of thiamine's role in the body, food sources, and deficiency symptoms.
Food Sources
Products With Thiamine (B1)
1 product in our database contains 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.