Fast 800: Dr Amir Khan explains the concept of diet
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TV Presenter Ruth Langsford and Dr Amir Khan put 10 diets to the test to discover which weight loss methods achieve the most impressive results in just one month.
The first diet put to the test was The Fast 800, which saw Alicia, who weighed 17 stone two pounds, losing one stone four pounds.
She knocked four inches from her waist line by only consuming 800 calories per day for a month, and eating them all within 12 hours.
The documentary explained that this kind of diet makes the body enter into a “ketogenic state”.
The self-confessed sugar addict, who could only cut out sugar for one day before getting “sugar angry”, showed that The Fast 800 is an effective method for quick weight loss.
Jen adopted the Huel diet, which limited her diet to three vegan shakes and one snack bar per day.
It was a difficult diet to maintain, and Jen founded herself indulging in “a whole packet of Jaffa Cakes” three weeks in.
However, following the Huel diet most of the time meant she lost a whole stone, dropping from 11 stone eight pounds to 10 stone eight pounds.
Stoil put the raw food diet to the test, meaning everything he ate for a whole month had to be uncooked.
Dr Amir Khan explained that cooking vegetables “gets rids of a lot of their vitamins and minerals and some of their enzymes.
“When you eat them in their raw form, they stay in your gut for longer, the enzymes slow down your metabolism so you stay fuller for longer and you end up eating less.”
Stoil managed to lose an impressive one stone two pounds from 13 stone one pound.
Dr Amir Khan and Ruth Langsford gave sugar addict Lucy a sugar detox.
Eating four and a half times the recommended sugar intake per day, she admitted she though about sugar “every single day”.
Dr Amir explained: “Sugar is really addictive. When we eat sugary foods we release chemicals in our bodies called opioids, they bind your receptors in our brain and release feel good hormones. It gives you an almost euphoric feeling and you crave more sugary foods.”
This diet, which saw Lucy lose 13 pounds from 13 stone, contained whole foods and foods with natural sugars such as fruit.
Simon, who would eat two packets of biscuits per day, tried the Keto diet. This diet cuts carbs to five percent of a person’s daily intake and ups natural fats to 70 percent.
This “carb king” went from 13 stone three pounds to 12 stone two pounds and embarked on a health journey to combat his “high high high blood pressure” according to Dr Amir.
Explaining the keto diet, Dr Amir stated: “Your body starts to break down those fats, releasing something called ketones, encouraging more fat breakdown and rapid weight loss.”
His diet consisted of good natural fats such as seafood, meat, dairy and eggs. Meanwhile, he had to shun pastries and fried food.
Slim Fast 3,2,1 saw Alex, who blamed her heavy weight on “snaccidents”, lose one stone two pounds.
She previously consumed 9,300 calories at the weekends, with one third of them coming from alcohol.
She stripped her diet right back to one evening meal, two shakes and three snacks.
Olivia tried the Boombod diet, which consisted of a strict calorie controlled diet plus a sachet of glucomannan before each meal.
Glucomannan is a water-soluble polysaccharide that is considered a dietary fibre, and according to Healthline, “takes up space in your stomach and promotes a feeling of fullness”.
Olivia did not quite lose a stone but instead lost 13 pounds from 11 stone 13 pounds.
Out of the ten diets, the “most extreme” was the liquid master cleanse, which saw Emma lose a staggering one stone eight pounds.
At the start, she weighed 13 stone three pounds. However, she swapped greasy cafe food and and too much coffee, which blocked the absorption of vital vitamins and minerals from her gut, for a drink of lemon juice, pepper, syrup and water.
Emma drank this healthy concoction two days each week. For four days, she enjoyed 800 calories worth of soups and juices, and on only one day she could consume solid food.
In this liquid diet, the lemon juice cleanses the body of toxins, cayenne pepper speeds up the metabolism and fat burning, and maple syrup provides vitamins, minerals and energy.
Despite her huge weight loss, Emma branded the diet “not sustainable”, as she put back on one stone three pounds after the experiment ended.
A vegan only diet keeps dieters “fuller for longer” according to Dr Amir, and this is what salt lover Lynne tried.
She admitted that she used to put salt on “everything”, and even felt “really sad” thinking about a Chinese takeaway without it.
Dr Amir stated: “Her BMI is off the scale and her blood pressure is high as well.”
He even called it a “deadly combination”.
The vegan trend, which has quadrupled in the UK over the past five years, saw Lynne lose one stone two pounds, although she did reveal she slipped up once and ate a pie.
She said of the banned food: “It was quite frankly the best thing I’ve ever eaten in my whole life.”
Finally, Andy sampled the paleo diet, which included such as eggs, soups, salads, grilled meat and vegetables, fruit and yoghurt.
He cut out social drinking and the subsequent post drinking kebab and swapped it for clean eating, dropping one stone five pounds from his 16 stone two pound frame.
Andy did admit that he had fallen off the wagon “big style” with a Chinese takeaway, complete with egg-fried rice.
Overall, the dieters lost an incredible amount of weight between them, and used their “really impressive results” to transform themselves further longterm.
Many of the participants lost even more weight, and while some of them packed on the pounds, one year on everyone was lighter than they were at the start of the experiment.
As for the diets, the master cleanse was the most effective, followed closely by the paleo diet.
Ruth concluded that the most successful diets were the ones that made people “rethink their relationship with food”.
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