A container surrounding a pole and base stand of a freestanding floor lamp or similar device. The vibrating system includes a diaphragm, a voice coil bobbin disposed in the magnetic gap, a coil lead wire having a first end and a second end, and a voice coil wound around the voice coil bobbin and electrically connected to the first end. A plunger of the sampler has an annular recess intermediate its ends, and is manually extended forward in the bore to project the recess through the bore forward opening and into the vessel to receive a product sample in the recess. Further, the slot profile can be designed according to various profiles andor positions that can improve gas diffusion, chamber reflection efficiency, or both, as compared to conventional ported chamber designs. The present disclosure also related to methods of preparing the pharmaceutical formulations. The composition can include touchi extract and phaseolamin as the alpha-glucosidase and alpha-amylase inhibitor, respectively.