What is the Sirtfood Diet?

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Celebrities are rumoured to be swearing by the Sirtfood Diet for weight loss – but what the heck is a sirtfood, and should you eat them too? Subscribe to Nourishable at https://www.youtube.com/c/Nourishable

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The Sirtfood Diet has been generating buzz through its rumored use to drive Adele’s weight loss. Best part – the diet encourages red wine and chocolate. The Sirtfood Diet was created by Glen Matten and Aidan Goggins. They studied Nutrition Medicine at the University of Surrey where they learned about the sirtuin proteins – sirt for short. Activated sirt proteins burn fat and preserve muscle by triggering a metabolic switch. Animals with activated sirt proteins live longer and healthier. How can you activate sirt proteins? Extreme calorie restriction or extreme exercise. Suggesting to eat a 40% calorie restricted diet isn’t going to make you as popular as suggesting to eat chocolate and red wine. Certain nutrients can activate sirt proteins, mimicking the effects of calorie restriction. I learned about these nutrients in grad school too – one nutrient in particular called resveratrol, which is found in red wine. A family of nutrients called polyphenols contain a whole bunch of sirt-activating nutrients. Who’s not going to bite at this offer? Mimic calorie restriction by eating polyphenols? That’s Aidan and Glen’s million dollar idea – create a diet based on foods with sirt-activating nutrients to burn fat and boost health. And thus the Sirtfood diet was born. What are the sirtfoods? The diet staples are arugula, buckwheat, capers, celery, chilies, cocoa, coffee, endive, extra virgin olive oil, garlic, green tea, kale, Medjool dates, onion, parsley, red wine, soy, strawberries, turmeric and walnuts. Nutrients in these foods known to be sirt activating include quercetin, kaempferol, curcumin, apigenin and epigallocatechin gallate. Sirtfood green juice is made up of kale, arugula, parsley, celery, apple, ginger, lemon and matcha green tea powder. Aidan and Glen’s 2016 Sirtfood Diet book cover boldly states “clinically proven to lose 7 pounds in 7 days”[6]. That “clinical proof” comes from a pilot study that they ran with 40 members of a super posh gym in London called KX Life. There were a whole bunch of issues in this study that triggered my science spidey sense. Besides this pilot study, the only other evidence of the Sirtfood Diet is from anecdotes. Dr. Lara Science Law #1 “Anecdote is not evidence!”

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