This is the Sirtfood diet with which Adele managed to lose weight

The Sirtfood diet made headlines again this week after the singer Adele will show off her slim figure in the American comedy show Saturday Night Live.

Although Adele had previously attributed her significant weight loss to the Sirtfood diet, soon after its appearance on television, Google searches for the regimen increased. But, What exactly is the Sirtfood diet and above all does it work?

The premise of the diet

Two British nutritionists launched the Sirtfood diet in 2016. The premise is that a group of proteins called sirtuins, which are involved in regulation of metabolism, inflammation and aging, can be accelerated by ingesting specific foods rich in a class of phytonutrients called polyphenols, states “Science Alert”.

Phytonutrients are chemical compounds that plants produce to help them thrive or defend yourself. Research continues to shed light on its potential benefits for human health.

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The idea is that eating foods rich in polyphenols, called “Sirtfoods”, will increase the body’s ability to burn fat, accelerating metabolism and causing noticeable weight loss.

The most common Sirt foods include apples, soybeans, cabbage, blueberries, strawberries, dark chocolate (85% cocoa), red wine, matcha green tea, onions and olive oil. The Sirtfood diet gets some of its fame because red wine and chocolate are on the list.

Stages

The diet consists of two phases for three weeks. During the first three days, the total energy intake is limited to 4,200 kilojoules per day (or 1,000 calories).

To do this, drink three sirtfood green juice drinks that include kale, celery, arugula, parsley, matcha green tea, and lemon juice. Also eat a “Sirtfood” meal, like curried chicken and kale.

From the fourth to the seventh day, have 2-3 green juices and one or two meals up to a total energy intake of 6,300 kJ / day (1,500 kcal).

During the next two weeks, phase two, the total energy intake should be between 6,300-7,500 kJ / day (1,500-1,800 kcal) with three meals, a green juice and one or two Sirtfood snacks.

After three weeks, the recommendation is to follow a “balanced diet” rich in Sirtfoods, along with normal green juices.

Positives

This meal plan promotes a variety of foods rich in polyphenols They are also good sources of vitamins, minerals and dietary fiber and would be recommended in a variety of diets designed to help with weight management or as part of a healthy, balanced meal plan. .

A weight loss diet will be effective though achieves a sustained total daily energy restriction. Therefore, the biggest benefit of the Sirtfood diet is the daily energy restriction.: You are likely to lose weight if you follow it.

Additionally, the exclusion of energy-dense, ultra-processed “junk” foods will help reduce the risk of chronic disease.

Downsides

It would be advisable monitor portion sizes of some of the foods listed, such as red wine and chocolate.

Like most restrictive diets, the first phase can be challenging and is not recommended for people with problems underlying health conditions without the supervision of a healthcare professional.

Rapid weight loss in the first phase will reflect a water loss e glycogen, the form of energy stored in the muscles and liver, rather than all body fat.

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Rapid weight loss can increase the risk gallstones and amenorrhea (lack of menstrual periods).

The food list includes specific products that can be difficult to spot, such as lovage, a green-leaved European plant whose leaves can be used as herbs, roots as vegetables, and seeds as spices. Some other items on the list can be expensive.

What science says

Most research has examined the effects of sirtuin-mediated energy restriction in worms, mice, or specific body tissues. No studies have tested the effect of diets which vary the content of polyphenols on the action of sirtuins in mediating weight loss.

A search by PubMed, the scientific database of research studies, found no human evidence of the Sirtfood diet. So the short answer as to whether the Sirtfood diet works or not is that we don’t know.

The authors’ claims of effectiveness are based on anecdotal information from your research and personal testimonies, such as that of Adele.

Consider the file hype surrounding the Sirtfood diet Dealing with a checklist on how to spot a trendy diet sounds the alarm bell. For example:

• Do you promote or prohibit specific foods?
• Do you promote a one-size-fits-all approach?
• Does it promise fast and spectacular results?
• Do you focus only on short-term results?
• Do you make claims based on personal testimonials?

As for the Sirtfood diet, the answers to most of these questions seem to be “yes”, or at least a partial yes.

The best weight loss diet is one that meets your nutritional needs, promotes health and well-being, and that you can follow for the long term.