A powder comprising coated particles, for use in the manufacture of compacts, comprising i) host particles , and ii) an additive coating material , wherein the host particles include an excipient or a drug, and the additive coating material is a lubricant; the lubricant is either: i) a lubricant selected from the group comprising a metal stearate and salts and esters of stearates, palmitates, behenates and other fatty acids having a carbon chain length of from C6 to C35, including saturated as well as unsaturated chains, cis and trans isomers; PRUV (sodium stearyl fumarate); Compritrol (glyceryl behenate); sodium stearyl lactylate; sodium lauryl sulphate; amino acids; lipids and phospholipids; or ii) a colloidal silica the lubricant coating is smeared over or fused to the surface of the host particles under conditions which generate high shear and compressive forces, and covers on average at least 50% of the surface of the host particles with an average thickness of less than 1 micron; and over 70% of the mass of the powder comprises coated particles which are smaller than 100 microns and, where the coated particles are drug particles or comprise drug containing particles, have a mass median diameter of greater than 10 microns. i) host particles , and ii) an additive coating material , wherein the host particles include an excipient or a drug, and the additive coating material is a lubricant; the lubricant is either: i) a lubricant selected from the group comprising a metal stearate and salts and esters of stearates, palmitates, behenates and other fatty acids having a carbon chain length of from C6 to C35, including saturated as well as unsaturated chains, cis and trans isomers; PRUV (sodium stearyl fumarate); Compritrol (glyceryl behenate); sodium stearyl lactylate; sodium lauryl sulphate; amino acids; lipids and phospholipids; or ii) a colloidal silica the lubricant coating is smeared over or fused to the surface of the host particles under conditions which generate high shear and compressive forces, and covers on average at least 50% of the surface of the host particles with an average thickness of less than 1 micron; and over 70% of the mass of the powder comprises coated particles which are smaller than 100 microns and, where the coated particles are drug particles or comprise drug containing particles, have a mass median diameter of greater than 10 microns. i) a lubricant selected from the group comprising a metal stearate and salts and esters of stearates, palmitates, behenates and other fatty acids having a carbon chain length of from C6 to C35, including saturated as well as unsaturated chains, cis and trans isomers; PRUV (sodium stearyl fumarate); Compritrol (glyceryl behenate); sodium stearyl lactylate; sodium lauryl sulphate; amino acids; lipids and phospholipids; or ii) a colloidal silica the lubricant coating is smeared over or fused to the surface of the host particles under conditions which generate high shear and compressive forces, and covers on average at least 50% of the surface of the host particles with an average thickness of less than 1 micron; and over 70% of the mass of the powder comprises coated particles which are smaller than 100 microns and, where the coated particles are drug particles or comprise drug containing particles, have a mass median diameter of greater than 10 microns. <EOS>