A composition includes sintered ferrous amino acid particles prepared by sintering a ferrous amino acid chelate which includes ferrous ions and an amino acid. The sintered ferrous amino acid particles have an average particle size ranging from 500 to 2600 nm and a weight average molecular weight ranging from 1,500 Dalton to 600,000 Dalton. Also disclosed herein are a method for inhibiting and/or killing a virus in a subject and applications of such method. The method includes administering to the subject the composition.一種組成物，其包含有經燒結的胺基酸亞鐵粒子，該等經燒結的胺基酸亞鐵粒子是藉由燒結一包括亞鐵離子以及一胺基酸的胺基酸亞鐵螯合物而被製得。該等經燒結的胺基酸亞鐵粒子具有一範圍落在500至2600 nm內的平均粒徑以及一範圍落在1,500至600,000道爾頓內的重量平均分子量。本發明亦揭示一種用於抑制和/或殺死在一個體中之一病毒的方法以及該方法的應用。該方法包含對該個體投藥以該組成物。
