Iron makes red blood cells, transports oxygen around the body, plays a role in producing energy and can help to reduce tiredness and fatigue. Indeed, a lack of iron can cause anaemia, the symptoms of which include extreme tiredness and shortness of breath. Iron is also important for the immune system to function normally and it supports normal cognitive development in young children up to the age of three years. Women in particular, are more likely than men to have poor amounts of iron in their diet. According to the National Diet and Nutrition Survey, a massive 46 percent of 11-18 year old girls and 23 percent of women aged 19-64 years have extremely low intakes of iron. This compares with seven percent of 11-18 year old boys and just one percent of 19 to 64 year old men. Great news then that several shellfish including anchovies, brown crabmeat, crayfish, clams, cockles, mussels and oysters contain this nutrient so can help to boost intakes.

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