Kiwis are rich in serotonin and antioxidants, both of which may improve sleep quality when eaten before bed.

How much serotonin is in a Kiwi?

The following fruits had a high serotonin concentration (mean +/- SEM) expressed in micrograms/g weight: plantain 30.3 +/- 7.5; pineapple 17.0 +/- 5.1; banana 15.0 +/- 2.4; Kiwi fruit 5.8 +/- 0.9; plums 4.7 +/- 0.8; and tomatoes 3.2 +/- 0.6.

What fruits are high in serotonin?

Several fruits and vegetables contain tryptophan, which is a building block to creating mood-boosting serotonin. So if we consume produce rich in tryptophan, our bodies can make more serotonin. Plantains, pineapple, bananas, kiwi fruit, plums, and tomatoes contain high amounts of tryptophan.