Device for facilitating the loading of capsules into a machine for dispensing capsules or for preparing drinks based on these capsules comprising: a detachable tube, containing stacked capsules furnished with an opening for the capsules to pass through the tube, means of aligning the tube allowing the tube to be aligned through a capsule receiving zone for the capsules to descend by gravity into this zone. The alignment means comprise means for retaining the capsules in their stack when the tube is moved with its opening oriented downwards, in the direction of the position in which the tube is aligned with the reception zone.