#7 Fennel Improves Brain Functions
Fennel seeds and bulbs contain a lot of potassium. This nutrient acts as an electrolyte, which helps in transmitting electricity through the body. Your brain is a vast collection of neurons which send and receive electrical signals, so potassium can help improve cognitive abilities and brain function. As a vasodilator, the improved blood flow it promotes also helps deliver optimal levels of oxygen to your brain.