Brain-Boosting Beverages Coffee. 1/12. If you can't get through the morning without a java jolt, you're not alone. ... Green Tea. 2/12. ... Berry Juices. 3/12. ... Kombucha. 4/12. ... Green Smoothie. 5/12. ... Turmeric Tea. 6/12. ... Beetroot Juice. 7/12. ... Ginseng Tea. 8/12. More items... Nov 30, 2022