It continued: “It has no calories and contains no sugars that can damage teeth.” Healthline stated that it also positively affects brain function and energy levels, and can help maximise physcial performance. 

For slimmers who aren’t the most avid water drinkers, plain tea, fruit tea and coffee (without added sugar) can also be healthy, according to the website.

It is recommended that we consume between six to eight cups or glasses of fluid a day, which can include water, lower-fat milk and sugar-free beverages, including tea and coffee.

However, as healthy and slimming water is, consuming more is not the only solution to losing weight James tried.

READ MORE: Paul Hollywood drops a stone eating same two meals every day

Source: Daily Express | Diet