Dried Basil Seed or Med Maeng Luck in Thai. Basil seeds are a natural mild laxative. To prepare: Soak 1 tablespoon of seeds in one clean cup of water around 1 hour until they are fully expanded. Top with rock sugar or brown sugar and ice, and it is ready to drink. Ingredient: Basil seed. Product of Thailand. Note: Seeds, Beans are a natural product, despite the use of modern cleaning processes and equipment, it is not always possible to remove all foreign material. Sort and rinse before preparation or cooking.