Highly concentrated. Colloidal Iron in pure form. Can act as fast acting relief for symptoms of Iron deficiency. for :Menstruating Women (especially Teenagers) Pregnant Women Lactating Mothers Strict Vegetarians and Vegans Elderly People (with increasing age, iron deficiency becomes more and more common in both men and women. Hospital patients and outpatients exposed to excessive bleeding due to wounds, surgery etc.. AGP1 REVIVO can assist to address the symptom associated with iron deficiency.