The sirtfood diet is one of the latest diets to capture consumer interest as a means of improving health and promoting weight loss. According to the authors, sirtfoods are a group of foods that increase the activity of sirtuin, a type of protein that mimics the effects of fasting and exercise. The diet claims to enable the body to better control blood sugar levels, burn fat, build muscle and boost health and memory. It also promises rapid weight loss—lose 7 pounds in 7 days!
How it Works
The sirtfood diet is based on 20 foods that are high in sirtuins. Examples include celery, chocolate, coffee, matcha green tea, kale, Medjool dates, strawberries, turmeric, walnuts, and red wine.
The diet is broken down into two phases—the first lasting for three days restricts calories to 1,000 per day. Meals consist of three green juices and one sirtfood-approved meal. Phase two lasts four days and increases calories to 1,500 per day with two green juices and two meals.
“Eating only 1,000-1,500 calories a day will definitely result in weight loss,” says registered dietitian nutritionist Ruth Frechman, Owner of On the Weigh, Burbank, CA. “But don’t be surprised, if you feel “hangry”! 1,000 calories is not a lot of food.”
There is also a maintenance plan that isn’t focused on calories but