Home Uncategorized What Is The Keto Diet, Exactly?

What Is The Keto Diet, Exactly?

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Here’s literally everything you need to know.
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本文由RD Jes Harvey审阅。 Harvey是注册营养师,专门研究儿童和成人的生酮饮食。 她是小儿营养学的认证专家,并为癫痫病儿童提供有关生酮饮食的抗癫痫药教育。 Harvey还管理着一项私人营养实践,向成年人提供有关生酮饮食的咨询。
There’s no denying that the keto diet still reigns as one of the most popular—and highly researched—diets out there right now. In fact, keto was one of the top 10 diets listed as part of Google’s 2019 Year in Search report. And per Reddit’s 2019 Year in Review, keto was the most-discussed diet trend of last year, plus the r/keto sub-Reddit was the number-two overall fitness/wellness community in 2019 and saw a 65 percent increase in subscribers from last year. Wowza. But there are two clear sides to the keto debate: There are folks who are alllll for the high-fat lifestyle and those who, well, absolutely aren’t.

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Molly Sims ‘Fridge Tours’ VideoPrevious VideoPlayNext VideoUnmuteCurrent Time 0:00Loaded: 11.98%Remaining Time -5:00CaptionsFullscreen Jenna Jameson, for example, is clearly a proponent—as is Mama June, Halle Berry, and Savannah Guthrie. Jenna, for example, credits the keto diet with her more than 80-pound postpartum weight loss, while Halle swears that it helps her maintain her health (she has type 2 diabetes). Then there are the people who don’t love the diet: Tamra Judge, who was on the keto diet for about a month, decided to quit, saying it “doesn’t do anything” and noting that it made her feel sick (#ketofluproblems). And Jillian Michaels told WH last year that people should “avoid the keto diet—common sense. A balanced diet is key.” Amidst all the positive and negative reviews, though, you may still be a little hazy on the details of the keto diet—like what it is, how it works, and exactly how much butter and cheese you get to eat. Don’t worry, I got you.

酮饮食到底是什么?

Short for “ketogenic diet,” this eating plan is all about minimizing your carbs and upping your fats to get your body to use fat as a form of energy, says Scott Keatley, RD, of Keatley Medical Nutrition Therapy. While everyone’s body and needs are slightly different, that typically translates to:
  • 60 to 75 percent of your calories from fat
  • 15 to 30 percent of your calories from protein
  • 5 to 10 percent of your calories from carbs
That usually means eating no more than 50 grams of carbs a day (some strict keto dieters even opt for just 20 grams a day). After about two to seven days of following the keto diet, you go into something called ketosis, or the state your body enters when it doesn’t have enough carbs for your cells to use for energy. That’s when you start making ketones, or organic compounds that your bod then uses in place of those missing carbs. At this point, your body also starts burning fat for more energy, says Beth Warren, RD, founder of Beth Warren Nutrition and author of Living A Real Life With Real Food. Believe it or not, the keto diet was originally designed to help people who suffer from seizure disorders—not to help people lose weight, says New York-based RD Jessica Cording. That’s because both ketones and another chemical produced by the diet, called beta hydroxybutyrate, may help minimize seizures.Women’s Health Keto Made Simpleamazon.com$13.99 But people who started following the keto diet noticed weight loss for a few reasons: When you eat carbs, your body retains fluid in order to store carbs for energy (you know, in case it needs it). But when you’re not having much in the carb department, you lose this water weight, says Warren. Also, it’s easy to go overboard on carbohydrates—but if you’re loading up on fat, it may help curb cravings since it keeps you satisfied. That, plus the fact that ketosis encourages your body to burn fat, means you can end up with pretty dramatic weight loss.

Are there different types of ketogenic diets?

人们很容易认为酮饮食适合所有人,但实际上有几种不同类型的酮饮食,它们都有不同的益处,具体取决于您的营养目标。 “They all have the same gist—super low-carb, high-fat—but they each have their own set of unique guidelines,” says Vanessa Rissetto, MS, RD, CDN. Below are the four most common variations of the keto diet.

Cyclic keto diet

“The cyclic keto diet is similar to standard keto, with the exception of one to two days per week,” explains Rissetto. “Five to six days per week, a cyclic keto dieter will eat according to standard keto guidelines. Then, for one or two days, they will have a ‘carb cycle’—also commonly known as a ‘carb refeed’ day. On this day, they will eat about 140 to 160 grams of carbohydrates.” This type of keto diet is often followed by athletes, since they require a carb refeed day to replenish glycogen stores in their muscles. “High levels of athletic training drains nearly all glycogen from their muscle stores, so it’s necessary to replenish them,” says Rissetto. It’s important to note, though, even if you choose to do this diet, that doesn’t mean your days off should involve tons of processed foods and desserts. Instead, look to whole grains, starchy vegetables, and fruits for your carb intake.

Targeted keto diet

“On this diet, you follow all the guidelines of the standard keto diet, with one exception—before intense workouts, you eat carbohydrates,” explains Rissetto. “Typically, targeted keto dieters will consume anywhere from 25 to 50 grams of carbohydrates about 30 minutes to an hour prior to working out. Dieters often find that this helps them feel stronger and more capable during workouts. While this does take the body out of ketosis temporarily, it will resume within a few hours, depending on how many carbs you consumed.” Essentially, the theory behind this diet is that since the additional carbs are immediately burned off, they won’t get stored as body fat.

Vegan keto diet

“The vegan keto diet is for individuals who want to follow a high-fat, low-carb diet, but do not consume animal products,” says Rissetto. “This can be difficult to achieve, as many keto dieters rely on animal products for a large portion of their diet. Common protein sources for vegan keto dieters include tofu, tempeh, nuts and nut butters, and beans and legumes in moderate amounts.” Though challenging, a vegan keto diet isn’t impossible—it just takes a lot of advance planning.

I also keep seeing offshoots of keto, like lazy keto. Thoughts?

当某事流行时,几乎可以保证人们会想出新的或更简单的方法。 输入懒惰酮和脏酮饮食。 人们使用懒惰的酮尝试将每天的碳水化合物摄入量限制为20至50克,但并没有真正追踪它; 使用肮脏的酮,人们通常会遵循与“常规”酮相同的常量营养素分解,但是这些常量营养素来自何处都没有关系。 Keatley has some…thoughts about those. “Dirty keto is a waste of your time since good habits have not been developed and it is simply too easy to fall back into a high-calorie diet,” he says. If you’re trying to do a lazy keto diet, he recommends following the USDA’s MyPlate instead and monitoring your meals based on proportions vs. macros. “It’s easier, more flexible, and has shown, when combined with moderate exercise, to be effective over the long term,” he says.

What’s the deal with combining keto with intermittent fasting?

You’ve probably noticed that plenty of people rave about combining keto with fasting diets. Just in case you’re not familiar with intermittent fasting, here’s a quick primer: Intermittent fasting centers around a pattern of eating and fasting periods, i.e., times when you don’t eat. This can look different for everybody, but some popular forms of this are the 16:8 diet, where you fast for 16 hours (usually from dinnertime until a late breakfast) and eat all your food within an eight-hour span. Another is the 5:2 diet, where you eat less than 500 calories for two non-consecutive days a week and then eat normally for the rest of the week. WANT MORE ON IF? YOU’RE COVERED…What’s With Intermittent Fasting On The Keto Diet?26 Before-And-After Photos Of Women Who Did IFCan You Drink Coffee While Intermittent Fasting? Plenty of people claim that doing keto along with intermittent fasting is awesome for weight loss, but it’s likely any results you’d see with this would be short-lived. Meaning, when you start eating regularly again, you’ll probably gain the weight back. “Combining a super restrictive diet with long periods of non-eating is not good,” says Keatley. “The body will cannibalize its own muscle for energy if intake from food is too low but the body does not differentiate between something like a calf muscle or a heart muscle. Keep in mind all your important organs are made of smooth muscle and going on a diet like this may harm something like your bladder or lungs just as much as provide fat loss.”

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Keto Biscuits & Gravy
Keto Sausage Breakfast Sandwich
Keto Biscuits & Gravy These biscuits are made with almond flour to keep them low-carb. Sausage gravy ups the fat and protein content to fill you up at the start of your day. Per serving: 408 calories, 36 g fat, 7 g carbs, 2 g fiber, 13 g protein The science thus far on IF has been pretty clear that weight loss from intermittent fasting is due to calorie restriction, Keatley points out. And, research has shown, just eating less, or healthier in general, usually does the same thing. “You are literally starving” on an intermittent fasting diet, Keatley says. “Methods such as this are attractive as weight loss can go from one pound a week to four pounds, but this is mostly lean muscle which is essential to healthy functioning as you age and is very hard to get back once it is gone,” he adds. So…it’s not really recommended that you try this unless you hash it out with your doctor or nutritionist to make sure it’s a fit for you and your lifestyle.

What foods can you eat on the keto diet?

Okay, so while there are different versions of keto, let’s say you’re thinking of following the standard keto diet, for the sake of convenience. Just because you’re not eating all your fave carb-y foods, that doesn’t mean you’re going to go hungry. You’ll be loading up on healthy fats (like olive oil and avocado), along with plenty of lean protein like grass-fed beef and chicken, and leafy greens or other non-starchy veggies. (Check out this printable keto diet grocery list, plus this additional comprehensive list of keto foods recommended by nutritionists, to get started.) More good news: Snacks are totally allowed (and I’m not just talking about carrot sticks). There are plenty of packaged options out there designed for keto fans. FATBAR is one of them. These snack bars have 200 calories, 16 grams of fat, and four grams of net carbs. They’re also plant-based and are made with almond or cashew butter, cocoa butter, coconut, pea protein, sunflower seeds, and chia seeds. For coffee drinkers mourning the loss of their vanilla lattes, Bulletproof coffee’s an option. This is your standard coffee but with grass-fed butter and medium-chain triglycerides (MCT) oil added to help give you a boost of healthy fats in the A.M. If you’re looking for something to satisfy your sweet tooth, keto fat bombs have a solid following. As the name implies, these are little snacks that are high in fat and low in carbs, so you can be on-point with your diet, even when you indulge. And if you can’t survive without your pasta, there are plenty of products out there like Explore Cuisine’s organic black bean spaghetti that give you the pasta experience without the carbs. There are also tons of keto-friendly restaurants—like Red Lobster, Olive Garden, and Texas Roadhouse—that can allow you to treat yourself to a night out without coming out of ketosis.

The 30 Best Restaurants For Dining Out On Keto, According To Nutritionists

IHOP
How To Order Keto At *Any* Restaurant A few things to avoid right off the bat when you’re dining out: Skip a dish if it says “breaded” or “coated” (hi, carbs!) and ditch bowls with noodles or rice as the base, Bonci says. And you’re always better off avoiding “glazed” foods, as that probably equates to a lot of sugar. Oh, and leave the buns off those burgers and say buh-bye to fries. Salad, dear keto dieter, will be your new go-to side. In addition, Rissetto suggests certain easy subs like cauliflower rice, avoiding condiments with added sugar (such as ketchup, barbecue sauce, honey mustard, and sriracha), and making sure to never be afraid to build your own version of a dish, like an omelette with veggies or a salad without croutons. Luckily, being on the keto diet gives you the green light to eat those cheesy, creamy sauces you have to avoid on other diets; it also gives you a full range of meats to choose from (steak, chicken, fish—you name it, they’re all keto-friendly). And, as always, fill your plate with as many leafy greens and non-carby veggies as possible. Here’s the catch: You might have to go “off-menu” to find exactly what you’re looking for. “My rule of thumb is that if you see an ingredient on a menu, you can ask for it to be added or swapped into your meal,” says Amy Gorin, MS, RDN, owner of Amy Gorin Nutrition in the New York City area. “So if avocado is an ingredient on a burger but you’re ordering the chicken breast, you can definitely ask for your meal to come with some avocado slices.” But your best line of defense is, quite simply, being prepared by researching restaurants and their nutritional information in advance, she says. Even easier? Referring to the list ahead of the best dining-out options—all of which have been reviewed by experts such as Gorin. CAVAN IMAGES GETTY IMAGES

What foods do I avoid on the keto diet?

Because you’ll be focusing on fat and protein—and going easy on the carbs—big bowls of pasta (or any grain, really) definitely won’t be on your menu. It also means that starchy vegetables like potatoes and carrots, as well as legumes like chickpeas, lentils, and black beans are off-limits, too. Another thing you can’t have: sweets—artificial or natural. Candy, cakes, and doughnuts are a no; and even many fruits aren’t allowed (apples, bananas, pears—they all have tons of sugar, which is definitely a carb). Alcohol’s another grey area on the keto diet—many beers and sugary cocktails are banned on the keto diet, as well as some sweeter wines. Note: Because you’ll be excluding some major food groups on the keto diet (grains, many fruits) you should definitely think about taking a multivitamin—especially one that contains folic acid, which helps your body make new cells and is often found in enriched breads, cereals, and other grain products, says Julie Upton, RD, cofounder of nutrition website Appetite for Health.

What does a week-long keto meal plan look like?

Tbh, a lot of keto meals sound pretty decadent and delicious, and it’s easy to see how they could be super filling. Below, check out a week’s worth of meal options that all adhere to the standard keto diet guidelines, going low on the carbs, and heavy on fat and protein.

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