Swedish tång is from the nature without artificial supplements. If you go to a shop how much do know your body need of vitamins, minerals or trace minerals? Furthermore the added minerals are synthetically…………..If you instead use swedish tång you do recieve original source that your body easily absorb. As the seaweed or swedish tång has the same compound as the blood of your body, the seaweed or swedish tång easily find the deficits of vitamins, mineraqls and trace minerals in the body and fulfil there. If there are surplus it goes out the normal way.