Rich in iodine, iron and folic acid, seaweed is great for helping the brain function better. 

The iodine in seaweed is also said to regulate thyroid functions and hormones, which in turn improves your mood so you don’t get sudden bouts of emotions coming at you all at once. 

Hempseeds are full of healthy omega-3 fats and are a good source, just like salmon and other oily fish. 

Not sure how to add them to your diet? Keep some by your desk and sprinkle them over your salads, smoothies or yoghurt whenever you’re feeling peckish in the office. 

Saffron is one of the most expensive herbs around the world and it’s for good reason too. 

According to studies, the scent of saffron is supposed to be calming for the mind. So all you need is just a pinch, really! 

Add some to salads or even make tea out of it. 

Fermented foods like kimchi, pickles and sauerkraut are great for improving your body’s digestive system. 

The enzymes in these fermented foods are said to balance the your gut’s bacterial flora and reduce cortisol levels, which in turn, improves your mood. 

Rich in zinc and other essential minerals, prawns are great for improving your memory. 

Prawns and other seafood like salmon and lobster also contain an antioxidant called astaxanthan that protects your brain structure. 

So, the next time you’re out to lunch and don’t quite want to experience that mid-afternoon slump, reach for something with prawns in them. 

A staple at most Japanese restaurants, edamame is rich in protein, fibre and brain-loving nutrients. 

Add them into your salads or just boil them and eat them as is.