How to Follow the Sirtfood Diet


The Sirtfood Diet is a new weight loss plan created by two nutritionists based in the UK. It is claimed to help turn on your “skinny gene”. 

Research has found that certain foods can help increase the amount of sirtuins (SIRTs) produced by your body. SIRTs are a group of seven proteins that help regulate a number of bodily functions including your metabolism, inflammation, and lifespan. 

It is believed that increasing the number of SIRTs produced will enable you to experience rapid weight loss, all while maintaining muscle mass. 

Foods You Can Eat on the Sirtfood Diet 

Certain foods, such as these, may be able to increase your production of SIRTs: 

  • Kale
  • Red wine
  • Strawberries
  • Onions
  • Soy
  • Parsley
  • Extra virgin olive oil
  • Dark chocolate (85% cocoa)
  • Matcha green tea
  • Buckwheat
  • Turmeric
  • Walnuts 
  • Arugula (rocket)
  • Bird’s eye chili
  • Lovage
  • Medjool dates
  • Red chicory
  • Blueberries
  • Capers 
  • Coffee 

How Do You Follow the Diet? 

To follow the Sirtfood Diet, you’ll need to undertake two phases over a three-week period. After this time, include as many “sirt foods” as possible to your diet

You can view the list of recommended sirtfoods above, but there are three main ingredients that are staples of this diet. These are matcha green tea powder, lovage, and buckwheat. 

Another big aspect of the Sirtfood Diet is its green juice, which Sirtfood dieters consume up to three times daily. 

Sirtfood Green Juice Recipe 

For this Sirtfood green juice you will need a juicer, as a blender won’t be suitable, plus a kitchen scale to ensure the ingredients are measured correctly. 

The recipe for this green juice is as follows: 

  • 75 grams (2.5 oz) kale
  • 30 grams (1 oz) arugula (rocket) 5 grams parsley
  • 2 celery sticks
  • 1 cm (0.5 in) ginger
  • half a green apple
  • half a lemon
  • half a teaspoon matcha green tea 

Juice all of the ingredients above, apart from the green tea powder and lemon. 

Next, pour the blended ingredients into a glass. Then, juice the lemon by hand before stirring both the lemon juice and green tea powder into the rest of the green juice. It is now ready to drink. 

Phase One 

This first phase will last for seven days, during which you’ll need to restrict your calorie intake, while drinking plenty of green juice. It is during this phase that you will experience dramatic weight loss results. 

During the first 3 days, your calorie intake should only be 1,000 calories. You will be allowed one daily meal, plus three juices. 

On days 4-7 of phase one, you will be allowed to consume 1,500 calories daily. With two meals allowed, along with two juices. 

Phase Two 

The second phase of the Sirtfood Diet lasts for two weeks and is called the maintenance phase, during which you will see steady weight loss. 

There will be no specific calorie limit during this second phase, however you must eat three meals full of sirtfoods, with just one green juice daily. 

After the Diet 

You are allowed to repeat phases one and two as often as you want until you reach your weight loss goals. 

After you’ve achieved your weight loss goal, continue to add sirtfoods to your diet and drink green juice every day. 

As with every diet, think of it as more of a lifestyle change than a one-time diet. It is the only way to ensure that any weight you lose does not return. 

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