Hepcinat 400 mg tablet of natco is a generic version of sovaldi from gilead. Hepcinat (sofosbuvir 400 mg) is a prescription medicine used with other antiviral medicines to treat chronic (lasting a long time) hepatitis c genotype 1, 2, 3, and 4 infection in adults. Compared to previous treatments, hepcinat (sofosbuvir 400 mg) based regimens provide a higher cure rate, fewer side effects, and a two- to four-fold reduced duration of therapy