Glucotabs are, as the name implies, glucose tablets. They come in refillable plastic tubes of 10 as well as larger bulk tablet packs to refill from.
If you're exercising for more than an hour, consuming carbohydrates can help delay tiredness as well as enable higher intensity performance - an intake of 30-60g per hour is ideal.
Energy drink giants High5 have launched their newest weapon in the fight against fatigue: SuperCarbs. It's reported to deliver up to 40 per cent more carbs to the working muscles than rival drinks.