Think twice about chomping on a whole pain au chocolat, as a quarter is 100 calories

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Fizzy drink fans will be disappointed that just three quarters of a can of Coca Cola is 100 calories

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Good news for fruit lovers as one apple and a handful of grapes makes for a healthy 100 calorie snack

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But bad news for ice cream fans as one scoop of Haagen-Dazs Cookies and Cream ice cream is 100 calories

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A third (85g) of an American blueberry muffin makes for a quick 100 calorie snack

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Or why not crunch on four and a half Brazil nuts instead?

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Quench your thirst with one 200ml glass of Tropicana orange juice

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Or spend a while longer chomping one medium banana

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For a protein-rich snack choose one boiled medium size egg (57g) and a solider of wholemeal toast

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Whereas a plate piled high with 80 blackberries contains the same number of calories

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Will a third of a bottle of Frijj Chocolate milkshake (150ml) stem your hunger?

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Or would you prefer to much down four peaches?

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Or why not indulge in one and a half custard cream biscuits?

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A stingy six and a quarter marshmallows contains 100 calories

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Beer lovers won't cheer the fact there's 100 calories in just half a pint of bitter

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And it's hard cheddar for cheese lovers, as a 20g chunk is 100 calories

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Two rye crispbread with one tablespoon of low fat soft cheese spread make a wholesome 100 calorie snack

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If you're opting for crisps, choose a 100 calorie packet of seasalt flavoured Popchips (23g)

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Or why not go for one finger of a Twix and share the other half?

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A whole pot of fat-free yoghurt (125g) and one apple will keep you full until lunch

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Wine connoisseurs won't get much within the allowance - one 125ml glass of white wine contains 100 calories

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Or for something more substantial, go for one slice of fruit loaf (35g) with one teaspoon of low fat spread

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Just two Jaffa Cakes - containing 100 calories - will be wolfed down in an instant

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Or smother one slice of wholemeal bread (78g) - or toast - with 1tsp (5g) of peanut butter

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Enjoy eight carrot sticks and a tablespoon of salsa for another healthy snack

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Meat lovers will have to make do with just one and a half rashers of streaky bacon

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Could you eat just half a bar of Cadbury's Dairy Milk?

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Four and a half walnuts will be munched down in a matter of seconds

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Spread one tablespoon of reduced fat hummus on an oat cake and nibble on it with cucumber slices

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Or enjoy a whole pack of Twiglets original (24g) 

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An entire plate of 27 strawberries contains just 100 calories

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Or why not swallow a tablespoon of sunflower seeds?

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A tablespoon of sweet raisins also contains 100 calories

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Chomp on seven fruit pastilles and give the rest of the pack away

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Enjoy dipping vegetable crudites into a big dollop (three tablespoons or 36g) of reduced fat hummus

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Half a Kit Kat Chunky eats up the 100 calorie allowance in a flash

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For some natural sweetness, there is just 100 calories in eight dried apricots

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Two rye crispbreads topped with two tablespoons of cottage cheese (80g) 

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