Is it more expensive to eat healthily?
You might think the answer is simple: Yes of course, if you buy fruits, vegetables, beans and pulses and cook from scratch.
But is it that easy?
With the help of the UN's Food and Agriculture Organization, Ruth Alexander finds out where in the world a healthy basket of food costs the most, and why globally, billions of people are priced out of a nutritious and varied diet.
She hears from Frances in Nigeria, struggling to afford healthy basics for her family, and from Aurora in the US state of Arizona, who is out of work and has lost the food benefit known as SNAP. She's being supported by the charity St Vincent de Paul.
And even if you can afford healthy food, is it readily available within easy distance of where you live? Hear from the team running the mobile fruit and veg bus known as The Queen of Greens, tackling so called "food deserts" in Liverpool, North-West England.
Plus your questions answered: How to eat well on any budget, with dietician Grace Derocha.
Produced by Lexy O'Connor, Niamh McDermott and Beatrice Pickup
Sound Engineer: Hal Haines
Image: A woman with brown hair and glasses leans glumly on the handle of a supermarket trolley, contemplating the store's display of fruits and vegetables. (Credit: Getty)
If you would like to get in touch with the show, please email: thefoodchain@bbc.co.uk
