Although high in sugar, some brands being as high as 50%, the natural gelling agent (pectin) used to help jam and marmalade set has been found to relieve sore throats and constipation by the Institute of Food Research, as well as inhibitting tumour growth.

Marmalade uses natural sugars, which are better for you and is extremely high in antioxidants due to the citrus ingredients helping lower LDL cholestrol - just 1g of marmalde contains as much as 20 times more than a glass of orange juice.