The Active Woman

Many “isotonic” sports drinks claim to rehydrate and boost energy, but any product containing calories will increase your energy levels. The best way to obtain calories is from the complex carbohydrates found in bread, potatoes, rice, pasta and cereals. In fact, the least nutritionally satisfactory way is by eating simple carbohydrates - that is, sugar. However, many sports drinks contain large quantities of sugar - in some cases, as much as 18 percent. Furthermore, such sweet drinks are bad for the teeth and potentially dangerous for diabetics.

Sports drinks also contain caffeine, as well as additives to enhance colour, flavour, sweetness and stability. Although it may give a sense of instant energy, caffeine can act as a diuretic and is more likely to dehydrate than replenish fluids. The additives contribute nothing to performance, although they may make the product more appealing.

The most efficient rehydration drink is a combination of fruit juice and water with a pinch of salt. For a quick surge of energy, snack on fruit such as a banana or dried apricots.

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