Basil seeds can be used for weight management purposes. The seeds contain adequate amount of vitamin K, protein and iron. Basil Seed Juice They reportedly have antioxidant, antibacterial, antiviral, anticancer, antispasmodic, and antifungal properties. Basil seeds may aid in regulating blood sugar in people with type 2 diabetes. The fibber in the outer coat of sweet basil seeds that have been soaked has a laxative effect.