You might have heard one of the latest weight-loss trends, the Sirtfood Diet. After dramatic transformation of the British singer-songwriter, Adele, as guest on late night comedy show, Saturday Night Live (SNL), people talking about this latest trend. So, what is the Sirtfood Diet? Is it worth the hype?
Quoting from Healthline, the Sirtfood Diet is a weight-loss program initiated by two celebrity nutritionists working for a private gym in the U.K. This diet is based on research on sirtuins (SIRTs), a group of seven proteins to regulate a vary functions including metabolism and lifespan.
Food containing certain natural plant compunds, nutrient-rich have been dubbed as sirtfoods or wonderfulfoods including dark chocolate (85 percent cocoa), strawberries, blueberries, matcha, soybeans, aragula, kale, onions, coffee, walnuts, turmeric, bird’s eye chili peppers, Medjool dates, buckwheat, parsley, extra-virgin olive oil to red wine.
In practice, this diet combines wonderfoods with calorie restrictions to trigger your body to produce more sirtuin to lose some weight as well as maintaining a healthy body mass. The Sirtfood Diet has two phases for three weeks. The first phase is calorie restriction and multiply green juice for a week.
First three days, your calorie intake limited for only 1,000 or a meal and three green juices per day. On the fourth and seventh days, the calories are increased to 1,500 or two meals and two green juices per day.
For the second phase, there is no limitation of calorie you have, but it is highly recommended to consume three full sirtfood meals and a glass of green juice per day for two full weeks. After the third week, you can continue this diet with sirtfood meals and green juices.
In spite of the fact that many of those foods have healthful properties and have beneficial effects for your body in general, but this diet may not live up for diabetics. Due to limited calories intake per day and having lots of green juices (may contains a lot of sugar), this one increasing risk of high blood pressure (abnormal glucose).
Besides, consuming only 1,000 – 1,500 calories per day, you are likely to feel tired most of the time because calories are energy your body needs to function. But, if you consider this diet for your preference, find a proper information for doctors and plan you can tailor your needs before starting the program.