Diet guru Michael Mosley is no stranger to helping people lose weight in a healthy and sustainable fashion.
Author of the hugely popular Fast 800 diet books, the doctor is a massive advocate of cooking healthy meals at home that are packed with nutrients to keep you full whilst dieting.
But a lot of ingredients these days can be expensive, which isn't ideal during the cost of living crisis - not to mention the current fruit and vegetable shortages that are impacting UK supermarkets at the moment.
To help people who are dieting on a budget but still want to prepare nutritious home-cooked meals, Michael has revealed on Instagram five cupboard "essentials" that you should always have in your house.
These are often cheap to buy, but they can be used for many different recipes and have long dates so they won't go bad quickly.
Olive oil
This is a firm feature in a lot of different recipes when you need to fry, marinade or drizzle your ingredients.
Michael suggests buying a larger bottle if you can and comparing prices by checking the 'price per 100ml' section on the label.
Though the larger containers may cost more upfront, it works out "far cheaper" in the long run - and extra virgin olive oil is Michael's recommendation, as it can have numerous health benefits.
Nuts & seeds
The perfect healthy snack, it's always handy having a packet of nuts and seeds in your kitchen cupboards.
Again, Michael says that the bigger the pack you get, the better - and often they're available in the form of refill stations from supermarkets, meaning you can take your own container and not have to buy any with plastic packaging.
To save money in the long run, take your own box to these refill counters if you can and stock up.
Oily fish
There are so many benefits to adding oily fish to your diet - as they're rich in healthy fatty acids and can help to prevent things like heart disease.
And you don't need to fork out for the fresh versions, as tinned and frozen varieties are just as healthy and will last a lot longer.
Greek yoghurt
This is a common feature in many of Michael's weight-loss friendly recipes as it's low in fat while still tasting rich and delicious.
It's great for adding to things like curries, soups and smoothies for an extra touch of creaminess, and to make it last longer, you can also freeze it in ice cube trays.
Then, just pop out some of the frozen cubes whenever you need to add it to a recipe.
Herbs and spices
No kitchen is complete without an array of different spices, as they're great for adding flavour and depth to dishes without a huge amount of effort.
Michael suggests buying them in foreign supermarkets or the world food aisle as they're often cheaper this way, or like nuts and seeds, try sourcing them from a local refill station and stock up that way.
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