Vitamin D3 is a fat-soluble vitamin considered a steroid hormone by many specialists. It is the sun vitamin because it is synthesized by the activation of skin cells through the sun. This form of vitamin D assimilation develops its functions in the same way as when taken orally. This vitamin contributes to maintaining the immune system in normal conditions, to normal muscle function, to the absorption of calcium and phosphorus in bones and teeth, and to reducing tiredness and fatigue. Instructions for use: Take 1 capsule a day.
