Healthaid vitamin b1 thiamin 100mg 90 tablet vitamin b1 tablets contain vitamin b1 which is also known as thiamin it helps break down sugars carbohydrates and fats in the body to provide energy vitamin b1 also helps support a normal appetite maintains a healthy nervous system as well as aiding the proper function of the heart and other muscles stress increases the need for vitamin b1 and all the b vitamins healthaid provides a unique b1 formulation that is readily absorbed for maximum u