Iron(II) sulfate was used in the textile industry for centuries as a dye fixative. It is used historically to blacken leather and as a constituent of ink. The preparation of sulfuric acid ('oil of vitriol') by the distillation of green vitriol (Iron(II) sulfate) has been known for at least 700 years. Together with other iron compounds, ferrous sulfate is used to fortify foods and to treat and prevent iron deficiency anemia. Constipation is a frequent and uncomfortable side effect associated with the administration of oral iron supplements. Stool softeners often are prescribed to prevent constipation. Ferrous sulfate was used in the manufacture
My Name Is 'A' by Anonymous to releasing the film Ryan chose to release the work anonymously due to negative initial critic reviews. At this point the film's title had changed to "My Name Is 'A'" and Ryan added the words "By Anonymous" to the title to reflect on what was supposed to be the anonymity of the director. He later decided against releasing the film anonymously, but chose to leave "By Anonymous" in the title to reflect on the anonymity of several of the characters in the film. Theatrical and VOD film rights to "My Name Is 'A' By Anonymous" were purchased shortly after its