Buxton Still Natural Mineral Water 1.5L For verification, www.buxtonwater.co.uk/faqs/product-information *Water is the one of the healthiest ways to hydrate without consuming sugar or calories. Essential for life, it contributes to the maintenance of normal physical and cognitive function and normal regulation of body temperature. At least 2L of water, from all sources, should be consumed per day as part of a healthy diet and lifestyle.