During seasonal changes, the body consumes more vitamins and minerals that need to be replenished with adequate amounts of fruits and vegetables in the diet in conjunction with multivitamin/mineral dietary supplements. ESI created Multicomplex, a line of multivitamins and multiminerals that are ideally taken in warmer months when the body needs more liquids, and in colder months when vitamins are needed to protect the body from seasonal illnesses, as well as in periods of physical and mental stress. Multicomplex is available in different formulas, each suitable for the different needs of adults, children, seniors and athletes. If you suffer from an Iron deficiency, ESI offers Ferrolin C: an Iron supplement with the addition of Vitamin C and Folic Acid, two substances that aid absorption. All ESI multivitamin/mineral supplements are formulated to be highly digestible.