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The Slow-Carb Diet was popularised in The 4-Hour Body by Tim Ferriss, and first mentioned by him in a 2007 blog post titled "How to Lose 20 lbs. of Fat in 30 Days… Without Doing Any Exercise". Ferriss claims to have lost about 25 lbs of fat in six weeks on the diet. The Slow-Carb Diet is based on eating foods with a low glycemic index. It can be summarized as the elimination of starches and anything sweet (including fruit and all artificial sweeteners) and a strong preference for lean protein, legumes and vegetables. The main foods are eggs, fish, grass-fed beef, lentils, beans, vegetables (like spinach, broccoli, cabbage, radish), mushrooms, fermented foods and drinks (natto, kimchi, sauerkraut), unsweetened tea or coffee and water. Calorie-dense nuts and legumes such as pecans, chickpeas, hummus, and peanuts are allowed under careful portion control. Plain coffee is allowed, but all milk products are to be avoided except cottage cheese.
These foods are consumed on the Slow-Carb Diet: eggs, meat (grass-fed beef, pork and poultry), turkey bacon, organic bacon, organic sausage, fish, seafood, beans (chickpeas in moderation), vegetables (except starches like potatoes, yams), oil (olive oil, macadamia nut oil, grapeseed oil preferred), ghee, cottage cheese, brown rice protein, hemp protein, pea protein, and unflavored whey protein isolate. Allowed condiments include hot sauce, mustard, salsa without sugar, spices & herbs, unsweetened cocoa, vanilla extract, and non-creamy non-sugar dressings. Ferriss notes that Mexican cuisine is the most compatible with eating out while on the diet, as long as rice is swapped out for vegetables.
These foods are not consumed on the Slow-Carb Diet: milk, cheese, refined soy products (Soy milk, tofu, tempeh, soy protein shake), fruit (except for sour fruits like lemons and limes, or savoury fruits such as olives, tomatoes and avocados) potatoes (yams, yuca, any starchy vegetable), bread, rice, grains, oatmeal, quinoa, ketchup and all sauces and dressings with sugar, honey, corn syrup, maple syrup, fructose, deep-fried breaded food, corn, popcorn. No alcohol other than dry wine is allowed (Ferriss notes that he drinks a glass of red wine daily).