Sisu means "inner strength"
The word "sisu" (which is pronounced si-sou) means in Finnish "relentless strength and resolution" allied to "endurance and courage", and especially when it comes to overcoming obstacles. At SISU, this definition symbolizes our commitment to the design and development of the highest quality vitamins and supplements. It also applies to those who take charge of their health and well-being, that is to say our consumers. SISU can help you increase your inner strengths.
Maintain an environment favorable to the manufacture of quality products and the promotion of health by committed personnel.