Thiamin by Seeking Health provides 50 mg of thiamine hydrochloride to help support healthy brain and nervous system functions.* Thiamine, also known as vitamin B1, plays a crucial role in metabolic reactions such as forming adenosine triphosphate (ATP) and transforming carbohydrates into glucose, which every cell of the body uses for energy.* Thiamine supplements can support a healthy digestive system and supports a healthy stress response.* Each vitamin B1 thiamine capsule is vegetarian friendly.