TV doctor and slimming expert Micheal Mosley has shared the foods that are "off the table" if you are looking to lose weight.
Dr Mosley is well-known for his tips and guidance, sharing both foods that you should avoid and foods that you should opt for while on a weight loss journey.
He has recently suggested that you should keep away from sugary or high-carb foods in order to achieve what is called ketosis.
The doctor said that he has been looking at the latest scientific thinking on appetite and fat metabolism, reports the Express.
He explains that ketosis happens when your body doesn't have enough carbohydrates to burn, so it will burn fat instead.
Dr Mosley says that in order to achieve this, people will have to step away from sugary puddings and eat much less food than they are used to.
His new formula is based on eating more protein and fewer carbs, meaning the pounds that are lost will be the stubborn, difficult-to-shift fat and not muscle.
He wrote in the Mail in January: "To achieve ketosis, you have to stop feeding your body sugar or carbs that easily raise your blood sugar.
"So for the first phase of the diet, carb-rich bread, cereals, cakes, biscuits, pasta and potatoes are off the table and out of the house."
He warned that it just takes a biscuit or a small chocolate bar to tip your body out of ketosis.
He also recommended in the initial rapid weight-loss stage, people should avoid starchy vegetables and most fruits except berries.
The doctor has always based his fat-shedding diets on the latest scientific guidance, but some may not realise that he has had his own struggles with type 2 diabetes which has shaped his weight loss plans.
On his Fast800 website, Dr Mosley wrote: "In 2014, I was diagnosed as a type 2 diabetic. I was not particularly overweight, weighing about 189lbs (86kgs) and I didn’t look particularly fat, but that was because a lot of the fat I was carrying was internal."
He says that he did his research and found out that the condition could be reversed with the right lifestyle changes.
Using what became his 5:2 diet - where you eat normally for five days of the week and cut down to around 600 calories twice a week - Dr Mosley lost 9kgs and was able to reverse his diabetes.
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