What is the Sirtfood diet?


What is the Sirtfood diet?




What is the Sirtfood diet ?

If you've ever considered following a weight loss diet, make sure you have all the facts first. Health editor Roxanne Fisher and dietician Emer Delaney take a look at the Sirtfood diet

What is the Sirtfood diet ?

It’s the latest diet craze everyone’s talking about, a diet rich in ‘sirtfoods’.  If you’re trying to lose some weight after Christmas you may have come across this new phenomenon.  According to researchers, these special foods work by activating specific proteins in the body called sirtuinsSirtuins are believed to protect cells in the body from dying when they are under stress and are thought to regulate inflammation, metabolism and the aging process.  Researchers also believe sirtuins influence the body’s ability to burn fat and boost metabolism, resulting in a seven pound weight loss a week while maintaining muscle

The diet is a two phase approach; the initial phase lasts one week and involves restricting calories to 1000kcal for three days consuming three sirtfood green juices and one meal a day that is rich in sirtfoods.  The juices include kale, celery, rocket, parsley, green tea and lemon and meals include turkey escalope with sage, capers and parsley, chicken and kale curry and prawn stir fry with buckwheat noodles.  From days four to seven, intakes are increased to 1500kcal comprising of two sirtfood green juices and two sirtfood-rich meals a day
The second phase is known as the maintenance phase which lasts 14 days where steady weight loss occurs.  The authors believe it’s a sustainable and realistic way to lose weight. However, focusing on weight loss is not what the diet is all about – it’s designed to be about eating the best foods nature has to offer.  Long term they recommend eating three balanced sirtfood rich meals a day along with one sirtfood green juice



Dietician Emer Delaney says

"At first glance, this is not a diet I would advise for my clients.  Aiming to have 1000kcal for three consecutive days is extremely difficult and I believe the majority of people would be unable to achieve it.   Looking at the list of foods, you can see they are the sort of items that often appear on a ‘healthy food list’, however it would be better to encourage these as part of a healthy balanced diet.  Having a glass of red wine or a small amount of chocolate occasionally won’t do us any harm - I wouldn’t recommend them on a daily basis.  We should also be eating a mixture of different fruits 
and vegetables and not just those on the list

"In terms of weight loss and boosting metabolism, people may have experienced a seven pound weight loss on the scales, but in my experience this will be fluid.  Burning and losing fat takes time so it is extremely unlikely this weight loss is a loss of fat.  I would be very cautious of any diet that recommends fast and sudden weight loss as this simply isn’t achievable and will more than likely be a loss of fluid.  As soon as people return to their regular eating habits, they will regain the weight.  Slow and steady weight loss is the key and for this we need to restrict calories and increase our activity levels.  Eating balanced regular meals made up of low GI foods, lean protein, fruit and vegetables and keeping well hydrated is the safest way to lose weight."


Please note: if you're considering attempting any form of diet, please consult your GP first to ensure you can do so without risk to health.


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