Frisk vitamin D3 is a Norwegian-produced vitamin D supplement for adults and children over 12 years. Frisk vitamin D 20 mcg is a Norwegian-produced vitamin D supplement that contributes to the normal immune system, and is necessary for building and  maintaining bones and teeth.

Vitamins D increase calcium uptake,  provide good dental health, stronger bone structure and prevent osteoporosis  (osteoporosis). Vitamin D is important for the activation of the immune system.