• Each STOCRIN hard capsule contains 100 mg of the active substance efavirenz. • The other ingredients of the powder contained in the hard capsule are: sodium laurilsulfate, lactose monohydrate, magnesium stearate and sodium starch glycolate. • The capsule shell contains: gelatine, sodium laurilsulfate, titanium dioxide (E171) and silicon dioxide (E551). • The capsules are printed with inks containing cochineal carminic acid (E120), indigo carmine (E132), and titanium dioxide (E171).