Skip to main content
Free UK shipping over £40.00! Free next-day shipping over £80.00
Ingredients

Vitamin B1

Thiamine hydrochloride

Nuzest ingredients - Vitamin B1

Vitamin B1, also known as thiamine, is a water-soluble vitamin involved in energy metabolism. It is commonly included in multivitamin and fortified food products.

Found in: Pork, salmon, flaxseeds, navy beans, green peas
citations /
/ Last updated: July 29, 2025

Vitamin B1 for Energy

Vitamin B1 (thiamine) plays a critical role in energy metabolism by facilitating the conversion of carbohydrates into usable energy. It acts as a coenzyme in the metabolism of glucose, the primary energy substrate for cells. Insufficient thiamine levels can impair energy production, potentially resulting in symptoms such as fatigue and decreased cognitive function. Adequate intake of vitamin B1 is essential to support optimal energy metabolism and maintain overall vitality.¹ ²

Vitamin B1 and the Central Nervous System

In addition to its role in energy metabolism, thiamine is essential for the proper functioning of the central nervous system. It contributes to nerve impulse transmission by supporting the synthesis of acetylcholine, a key neurotransmitter involved in memory processing and muscle control. Consequently, adequate vitamin B1 intake is important for maintaining both cognitive function and neuromuscular health.³ ⁴

How Can Vitamin B1 Help Brain Health?

Vitamin B1 is integral to brain health, supporting the proper function of the central nervous system. It contributes to cognitive processes such as memory, attention, and concentration. Additionally, thiamine influences mood regulation by facilitating the synthesis of neurotransmitters involved in emotional balance. Deficiency in vitamin B1 has been associated with cognitive impairment and mood disorders.⁵

Can Vitamin B1 Help Reduce Anxiety?

By supporting nervous system function and modulating stress hormone production, thiamine can play a role in reducing anxiety. Its involvement in neurotransmitter synthesis helps maintain emotional balance and promote a calming effect. Research suggests that thiamine supplementation may improve mood and lessen anxiety symptoms, particularly in individuals with low thiamine levels.⁶ ⁷

{"type":"root","children":[{"type":"list","listType":"ordered","children":[{"type":"list-item","children":[{"type":"text","value":""},{"type":"link","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC10568373/","title":null,"target":"_blank","children":[{"type":"text","value":"https://pmc.ncbi.nlm.nih.gov/articles/PMC10568373/"}]},{"type":"text","value":""}]},{"type":"list-item","children":[{"type":"text","value":""},{"type":"link","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC10710862/","title":null,"target":"_blank","children":[{"type":"text","value":"https://pmc.ncbi.nlm.nih.gov/articles/PMC10710862/"}]},{"type":"text","value":""}]},{"type":"list-item","children":[{"type":"text","value":""},{"type":"link","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC6930825/","title":null,"target":"_blank","children":[{"type":"text","value":"https://pmc.ncbi.nlm.nih.gov/articles/PMC6930825/"}]},{"type":"text","value":""}]},{"type":"list-item","children":[{"type":"text","value":"https://www.degruyter.com/document/doi/10.1515/tjb-2017-0316/html?lang=en&srsltid=AfmBOop2cKFChuySUoVpF6JFcQG013N5Qm4P3ZV51Bk_BZLGFYbUZSTW "}]},{"type":"list-item","children":[{"type":"text","value":""},{"type":"link","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC5337452/","title":null,"target":"_blank","children":[{"type":"text","value":"https://pmc.ncbi.nlm.nih.gov/articles/PMC5337452/"}]},{"type":"text","value":""}]},{"type":"list-item","children":[{"type":"text","value":""},{"type":"link","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC7019700/#sec8-nutrients-12-00228","title":null,"target":"_blank","children":[{"type":"text","value":"https://pmc.ncbi.nlm.nih.gov/articles/PMC7019700/#sec8-nutrients-12-00228"}]},{"type":"text","value":""}]},{"type":"list-item","children":[{"type":"text","value":"https://pmc.ncbi.nlm.nih.gov/articles/PMC9190671/"}]}]}]}