No food on its own can be credited to boosting mood. But, maintaining a good diet overall can help. Various studies have shown the link between certain foods and increased mood.
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But, many don't know their food can have such a drastic impact on their mental health.
Dr Rupy said: "One of the things is that people don't really know about the gut-brain axis. Some research showed that almost half, around 47 percent of people didn't know there is a link between the gut and the brain.
"The important takeaway is, there is this communication highway between our gut and our brains, and what we eat can potentially affect how we feel.
"With that in mind, the best advice is to eat a proper diet, mostly Mediterranean."
Dr Rupy teamed up with Yakult to raise awareness of the gut-brain axis.
READ MORE: Dementia: The food to eat 'at least twice a week' to reduce your risk of the condition
Founder of The Doctor's Kitchen, Dr Rupy has written Doctor’s Kitchen 3-2-1: 3 fruit and veg, 2 servings, 1 pan.
He detailed how some foods are connected to our mental health.
Rupy said: "Good quality fats and fermented foods will be a good pragmatic decision, which will populate your microbes and help nurture them in a way that allows them to do their best job. "And, when they do a good job they perform their activities, such as sugar regulation inflammation, well, which we need to support us better.
"That can have a knock-on effect on how we feel as a whole.
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"I tend to talk about categories of food I think people should eat. Chickpeas, lentils, cruciferous vegetables like cabbage and broccoli, and kale.
"These contain a suite of anti-inflammatory chemicals like, which we know can impact how we feel as inflammation has a connection with mood.
"There are polyphenol-rich foods, so your colourful tomatoes, apple, butternut squash, basically anything in season.
"Then you've got really good quality fats and Omega 3 that you get from small fish, as well as nuts and seeds hazelnuts."
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"I tend to talk about categories of food I think people should eat. Chickpeas, lentils, cruciferous vegetables like cabbage and broccoli, and kale.
"These contain a suite of anti-inflammatory chemicals like, which we know can impact how we feel as inflammation has a connection with mood.
"There are polyphenol-rich foods, so your colourful tomatoes, apple, butternut squash, basically anything in season.
"Then you've got really good quality fats and Omega 3 that you get from small fish, as well as nuts and seeds hazelnuts."
Foods that can boost mood
Selenium
Selenium has been linked to helping make depression more manageable.
Selenium is included in the likes of
- Brazil nuts
- Offal, like liver
- Whole grains