Note the Nutrition Facts on food labels
Putting the information on food packaging into context is important. Food producers are less keen on advertising the bad side of what is on sale and often the labelling is misleading. I have recently started looking at food labels to find out if the food I am eating is high in fat and sugar and salt, because in order to live longer I am trying to cut back on these three dietary components. Firstly I noticed that I often made a mistake in calculating the amount of fat in the actual whole packet rather than just "a portion", as I tend to eat the whole bag of crisps once open. For example I just had a camembert and chilli jam sandwich. Looking afterwards at the cheese packaging I was surprised to see that a portion was only 9% of my daily fat intake as an adult..which made me feel better, until I discovered that the portion was 30g! I had just eaten at least 90 g of the cheese in one doorstep sandwich and hence was shocked at the amount of fat I had just eaten in one me...