This comprehensive 34 page tinnitus covers every aspect of tinnitus, its causes and the treatment options available for tinnitus. From http://www.t-gone.com/tinnitus.htm

Tinnitus is the perception of a sound in the ears in the absence of an actual external sound. The sound may be heard on one or both ears and occurs either inside or outside. It is commonly referred to as "ringing in the ears".

Taking the minerals magnesium and potassium, vitamins A and E, Vitamins B complex, choline and zinc, will aid circulatory issues that will help with tinnitus relief.