TehoRauta – an effective combination of 3 forms of iron for daily use Support your iron intake easily and effectively with the high-quality TehoRauta supplement. This powerful iron supplement is designed to support iron absorption and is well suited for daily use. TehoRauta 100 mg 100 capsules contains three different forms of iron – ferrous bisglycinate, ferrous fumarate, and ferrous gluconate – which complement each other. In addition, the product contains vitamin C, which promotes iron absorption in the body. The vitamin C in the product is provided in the pH-neutral form of sodium ascorbate. TehoRauta is vegan and safe for long-term use.