Professor Kieran Clarke of Oxford University has developed a drink which promises to help with weight loss, epilepsy and diabetes.
Ketones are energy which our body produces naturally. When your body runs out of carbohydrates it starts to use ketones for energy. Normally on a diet such as Atkins these will be produced due to the lack of carbs in your body however this new drink apparently adds them when taken once a day.
Basic studies taken so far have shown weight loss as well as increased energy and lower cholesterol in test subjects. Its early days of course for this type of thing but may be worth keeping an eye on.