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
Today Is Vintage a top contender for Hungary in the Eurovision Song Contest 2013, ending up as the runner-up in the Hungarian qualifiers. In mid 2014 it was announced that Gambian recording artist Saint has signed to the label. On December 18 2016, Rebstar revealed LE SINNER as the latest signee to Today Is Vintage. On January 13, they released LE SINNER's debut single "Paris". Within 2 weeks of its release "Paris", peaked #1 on Spotify's Viral Charts in USA. Today Is Vintage is also known for arranging concerts and events in Sweden under the brand Le Fest. Today Is Vintage Today Is