Perrier Vittel has become the latest company to push mineral water as a slimming aid with the launch of Contrex in the UK.
Initially rolling out exclusively through Waitrose, Contrex ­ which comes from the Vosges region of France ­ is said to help eliminate toxins from the body as well as provide a natural source of calcium and magnesium ­ essential minerals to help dieters keep in shape.
One-litre bottles are rolling out priced 49p.
Perrier is also rolling out two other products under the Contrex umbrella ­ In Shape and Radiance.
In Shape contains vitamin C from lemon and passion fruit juices, while fucus and ginseng are said to help energise slimmers.
Radiance, meanwhile, helps keep skin hydrated by providing beauty vitamins C and E and folic acid. Available in 330ml glass bottles, both variants come in packs of six priced around £4.70.
Perrier said is was already selling hundreds of millions of bottles of Contrex worldwide.