The Sirt Diet Cookbook - Jacqueline Whitehart

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have had to believe in myself to come this far on my diet journey. After becoming known as a healthy-eating expert by way of the 5:2 Diet, I started to let my own standards slip as family life got in the way. This led to inevitable weight gain and a huge dip in my confidence. But I’ve never been afraid to start again and try new things. I am a self-experimenter by nature so when the opportunity came along to start the SIRT Diet, I couldn’t wait. The results have been extraordinary. Not just weight-loss. My energy levels are up and my skin glows. I feel the best I’ve done in years.

      The SIRT Diet is not just red wine and chocolate. It’s also green tea, kale and lots of fruit and vegetables. It’s so straightforward anyone and everyone should follow it. If you’re ready to try something new and embrace the SIRT way of eating, you won’t regret it.

      Follow my simple and complete plan and lose weight, tone up and look great.

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       REAL FOOD, REAL RECIPES AND A DIET THAT REALLY WORKS

      The SIRT Diet Cookbook teaches you to eat the right foods – natural and flavoursome foods as diverse as kale and chocolate – that all contain a newly discovered type of superfood, called SIRT foods.

      SIRT foods are special because they are the key to unlocking significant genes in our bodies – the genes that regulate our metabolism and help us to resist disease.

      The headlines are true: red wine and dark chocolate are both SIRT foods and can help you lose weight. But behind the headlines there is so much more to this diet and this is what The SIRT Diet Cookbook seeks to explain. Find out what SIRT foods really are, discover the best SIRT foods for you to eat, understand how these superfoods really boost your metabolism and control your food cravings. Best of all, this cookbook is full of simple and amazing recipes that all include these incredible superfoods. Learn how to boost your SIRT foods by adding a few unusual ingredients. Spice things up with turmeric or mellow out with chocolate – the choice is yours.

       MY JOURNEY

      Following three successful books and a popular recipe blog, I’ve been an advocate of the two-day fasting diet for years. But perhaps inevitably I’ve got bored of fasting and to be totally honest, I’ve found fasting to be harder with less impressive results. In fact my food cravings started to increase, I ate more on days when I wasn’t fasting and I started to gain weight.

      I first found out about SIRT foods while trying to find an easier way to get the results of calorie restriction. In a scientific research paper, I read that there were two ways to activate the insulin-sensitive hormone IGF-1 (the one triggered by 5:2 and fasting). The first was calorie restriction and the second was specific trigger foods. Intrigued, I started to try and find out more. There hasn’t been much about the diet in the press except a few tantalising newspaper articles with headlines shouting ‘Eat more chocolate, drink more red wine’. These headlines are an oversimplification of a fantastic truth:

      Eat SIRT foods such as kale, turmeric and dark chocolate and they will help you lose weight naturally.

      If it sounds too good to be true, it’s really not. These super-foods start a chain reaction inside you that makes your metabolism work more efficiently and allows you to make more effective use of the calories you consume. This naturally curbs your appetite, boosts your energy levels and fights inflammation. There’s a lot more about the science behind SIRT foods and their key role in your metabolism in the section ‘What are SIRT foods and why are they special?’

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      Green tea is the top of all SIRT foods, containing a rich source of catechins, the most powerful sirtuin activator scientifically identified. For this reason, drinking at least two cups of tea a day is considered to be one of the fundamentals of the SIRT Diet. What if you’ve never tried green tea and don’t like the sound of it? You are not alone. Luckily I was in the same boat as you only a short while ago and I’ve got the complete guide to learning to love green tea. Take a look at the ‘Living the diet’ section to find out more.

      Go on, drink your green tea, eat your chocolate and guzzle your red wine. Look at the amazing benefits they bring:

      • Triggering your metabolism to break down more fat

      • Natural reduction in appetite and hunger pangs

      • Converting fat to muscle without increasing exercise

       WHAT ARE SIRT FOODS AND WHY ARE THEY SPECIAL?

      SIRT foods are super antioxidants that activate the sirtuin genes in our body, producing an increased fat-burning response. In a nutshell, eating more of these foods will boost your metabolism and help you lose weight faster.

      THE SIRTUIN GENES

      There are seven sirtuin genes in humans, imaginatively named SIRT1 to SIRT7. Geneticists have done several studies on the sirtuins and have had positive results relating to increased lifespan, metabolism and anti-ageing. Scientists are only just beginning to understand the function of individual genes and there is a lot still to be done, particularly related to how the genes work together.

      SIRT1, SIRT3 and SIRT4 function predominantly on the metabolism, with SIRT4 specifically related to insulin sensitivity. SIRT2, SIRT6 and SIRT7 have more anti-ageing tasks related to cell and DNA repair. The individual genes do not work in isolation, but in combination, in ways that we do not yet fully understand. What is abundantly clear is that the sirtuin family of genes are extremely valuable within the body and activating these genes makes us healthier, promotes weight-loss and helps us age gracefully. So how do we go about making these genes work better?

      It has recently been established that there are two main triggers for the sirtuin genes. One is calorie restriction and the other is SIRT activators. Foods that contain a rich source of SIRT activators are collectively called SIRT foods.

      Perhaps you’ve tried calorie restriction, fasting or the 5:2 Diet? They definitely work and can produce dramatic results but you need a lot of willpower to stick to the diets over the long term. What if there is an alternative, where you substitute special foods for fasting or calorie restriction? Not only that, but these special foods are easy to come by and are tasty, flavoursome and wholesome.

      With a SIRT-rich diet, your genes benefit in a very similar way to calorie restriction … without restricting calories.

      SIRTUINS AND YOUR HEALTH

      When you activate the SIRT proteins in your body, they act as ‘housekeepers’ doing all the hard work that other genes don’t or can’t do. Sirtuins are a family of age-related proteins. The main role of sirtuins is to selectively regulate the activity of key genes responsible for metabolism and cell defence:

       1 Increase fat metabolism, burning more calories from fat

      It has been shown that SIRT activation shifts metabolism away from using glucose as an energy source, favouring fat synthesis.

       2 Reduce insulin response

      The hormone Insulin-like Growth Factor 1 (IGF-1) is proven to decrease as SIRT genes are activated. IGF-1 is produced in the liver and is similar to insulin. Its purpose in the body is to make cells grow and produce new cells. When levels of IGF-1 decrease, our body produces few new cells and concentrates on repairing old ones. This state of ‘repair’ is very beneficial as it slows down the ageing process.

       3 Fight inflammation

      Through their

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