Description Viridian Folic Acid & DHA Veg Capsules 90 is a supplement designed for women trying to conceive. Folic acid is a member of the B complex family. Women planning a pregnancy should take 400ug folic acid supplement daily from the start of trying to conceive until the 12th week of pregnancy. Folic acid is used for foetal development. DHA is a fatty acid important for the development of the foetal and infant brain.