Docosapentaenoic acid is taken up by brain and retinal tissues where it is converted to DHA. Docosahexaenoic acid is incorporated into retinal rods and brain tissue,<ref name="Zicker" /><ref name="Heinemann" /> and is conditionally essential for normal brain and retinal development. | Docosapentaenoic acid is taken up by brain and retinal tissues where it is converted to DHA. Docosahexaenoic acid is incorporated into retinal rods and brain tissue,<ref name="Zicker" /><ref name="Heinemann" /> and is conditionally essential for normal brain and retinal development. |