High Purity Stimulants Research Chemicals Stimulants (also often referred to as psychostimulants or colloquially as uppers) is an overarching term that covers many drugs including those that increase activity of the central nervous system and the body, drugs that are pleasurable and invigorating, or drugs that have sympathomimetic effects.Product Description:we sell and supply different brands of pure research chemicals in powder and crystal forms. We also have some of these made in pills, tablets, capsules, covid-19 ventilators ,covid-19 vaccines ,SSD, Face Marsk, medical gloves