Biotica Aluminium (Trace Element) 30 blisters. Aluminum: is an action in nervous system as an aid to improved mental and anxiety states, insomnia and stress. Oligotherapy is the use of certain minerals and metals in the treatment of different health problems. These trace elements are involved in very small quantities in biological functions and exchanges necessary to the proper functioning of our body Trace elements are involved mainly in the absorption and metabolism of food, the renewal of tissues, in strengthening the body's defenses (immune system) against infection and help reduce allergic reactions. Trace elements allow the preservation of balance in our body.