d-Lenolate Plus: Cold & Flu has East Park Research's patented olive leaf extraction process, d-Lenolate. It also contains neem leaf extract, an ancient ayurvedic herb that has been used to abate colds and the flu for centuries. d-Lenolate Plus has a balanced homeopathic formula that contains six ingredients expressing eighteen potencies. It is effective for all types of individuals in addressing the usual symptoms, and due to this unique combination, you can experience relief from your symptoms in hours rather than days or even weeks.