WeightWorld was established in 2005 and is the UK’s leading online retailer for Weight Loss and Well Being products. While the company has expanded rapidly over the last decade, its mission to help people treat health problems has remained unchanged. WeightWorld has developed a reputation based on supplying high quality products and providing unrivalled customer support.WeightWorld was established in 2005 and is the UK’s leading online retailer for Weight Loss and Well Being products. While the company has expanded rapidly over the last decade, its mission to help people treat health problems has remained unchanged. WeightWorld has developed a reputation based on supplying high quality products and providing unrivalled customer support.