From the Vendor: Purkratom Liquid kratom shot extract is a high-quality kratom tincture. It is a fine blend of alkaloids that have been harvested directly from the Maeng Da plant. This delicate blend of alkaloids is a formulated mixture of cool water and pressure, to extract more of the potent alkaloids from the leaves of the plant matter than is usually captured. Our kratom Extract is 3rd party tested to ensure purity and safety. PurKratom extract is processed and manufactured in the US in a state-of-the-art facility and is one of the few manufacturers certified for Current Good Manufacturing Practices. Their attention to safety and best practices makes our products consistent and reliable.