... large quantiies; Free sample for test; [Product name]4-hydroxyisoleucine 20%[Plant source]Seed of Trigonella foenum-graecum L.[CAS NO ... plant extract with little side-effect.[Specification]1%, 5%, 10%, 20%, 60%, 98%HPLC[Package]25kg/drum,double layers plastic bags inside ... [Shelf life]2 years 4-hydroxyisoleucine 20% common fenugreek seed extract powder