Selenium-enriched foods are not necessarily alkaline foods. Selenium-enriched foods mainly include: selenium-enriched rice, 100 microgram selenium-enriched corn flour, selenium-enriched wheat, seafood, mushrooms, eggs, garlic, ginkgo and so on. The selenium-enriched rice, 100 microgram selenium-enriched corn flour, selenium-enriched wheat, seafood and eggs here are all acidic foods.