One capsule contains 300 mg of vitamin B1 as thiamin HCl. The product is part of Bonusan's wider energy assortment. At Bonusan safety is paramount in everything we do: from finding good raw materials, determining the right composition and producing our supplements, to storage and processing. In each of these phases, we have incorporated quality controls. Nothing leaves our factory until it has been approved by our own laboratory. Our Quality Control Department carries out an average of 500 to 700 quality controls per month. Our suppliers also meet our strict requirements. In this way, we maintain control of the entire production process, from raw materials to finished products.