A bottle for dispensing a fluid product including a body with a reservoir for the conditioning of the product and a device for sampling of the conditioned product mounted in a sealed manner on the body, the device for sampling including means of supplying with conditioned product which have an upstream orifice arranged in the reservoir, the body being provided with a filling valve of the reservoir, the reservoir being devoid of product and having an air depression which is arranged in order to be able to carry out the subsequent filling of the reservoir, the bottle further including an envelope mounted in the reservoir in order to compartmentalise the reservoir into an internal space wherein the upstream orifice is arranged and an external space, the valve including means for breaking the envelope during the filling of the reservoir in order to put into communication the external and internal spaces.