http://www.1percentedge.com/ifcalc/
This page may help you with your IF,it's calculator. And it helped me with everything.
Something about 5 methods of IF,which one is just for you?
1. Leangains
How It Works: Fast for 14 (women) to 16 (men) hours each day, and then “feed” for the remaining eight to 10 hours. During the fasting period, you consume no calories, though black coffee, calorie-free sweeteners, diet soda and sugar-free gum are permitted. (A splash of milk in your coffee won’t hurt, either.) Most practitioners will find it easiest to fast through the night and into the morning, breaking the fast roughly six hours after waking up. This schedule is adaptable to any person’s lifestyle, but maintaining a consistent feeding window time is important. Otherwise, hormones in the body can get thrown out of whack and make sticking to the program harder, Berkhan says.
What and when you eat during the feeding window also depends on when you work out. On days you exercise, carbs are more important than fat. On rest days, fat intake should be higher. Protein consumption should be fairly high every day, though it will vary based on goals, gender, age, body fat and activity levels. Regardless of your specific program,whole, unprocessed foods should make up the majority of your calorie intake. However, when there isn’t time for a meal, a protein shake or meal replacement bar is acceptable (in moderation).
Pros: For many, the highlight of this program is that on most days, meal frequency is irrelevant — you can really eat whenever you want to within the eight-hour “feeding” period. That said, most people find breaking it up into three meals easier to stick to (since we’re typically already programmed to eat this way).
Cons: Even though there is flexibility in when you eat, Leangains has pretty specific guidelines for what to eat, especially in relation to when you’re working out. The strict nutrition plan and scheduling meals perfectly around workouts can make the program a bit tougher to adhere to.
2. Eat Stop Eat
How It Works: Fast for 24 hours once or twice per week. During the 24 hour fast, which creator Brad Pilon prefers to call a “24 break from eating,” no food is consumed, but you can drink calorie-free beverages. After the fast is over, you then go back to eating normally. “Act like you didn’t fast,” Pilon says. “Some people need to finish the fast at a normal mealtime with a big meal, while others are OK ending the fast with an afternoon snack. Time it however works best for you, and adjust your timing as your schedule changes,” he says.
The main rationale? Eating this way will reduce overall calorie intake without really limiting what you’re able to eat — just how often, according to Eat Stop Eat. It’s important to note that incorporating regular workouts, particularly resistance training, is key to succeeding on this plan if weight loss or improved body composition are goals.
Pros: While 24 hours may seem like a long time to go without food, the good news is that this program is flexible. You don’t have to go all-or-nothing at the beginning. Go as long as you can without food the first day and gradually increase fasting phase over time to help your body adjust. Pilon suggests starting the fast when you are busy, and on a day where you have no eating obligations (like a work lunch or happy hour).
Another perk? There are no “forbidden foods,” and no counting calories, weighing food or restricting your diet, which makes it a bit easier to follow. That said, this isn’t a free-for-all. “You still have to eat like a grown-up,” Pilon says. It’s all about moderation: You can still eat whatever you want, but maybe not as much of it. (A slice of birthday cake is OK, he says, but the whole cake isn’t.)
Cons: Going 24 hours without any calories may be too difficult for some — especially at first. Many people struggle with going extended periods of time with no food, citing annoying symptoms including headaches, fatigue, or feeling cranky or anxious (though these side effects can dimish over time). The long fasting period can also make it more tempting to binge after a fast. This can be easily fixed… but it takes a lot of self-control, which some people lack.
3. The Warrior Diet
How It Works: Warriors-in-training can expect to fast for about 20 hours every day and eatone large meal every night. What you eat and when you eat it within that large meal is also key to this method. The philosophy here is based on feeding the body the nutrients it needs in sync with circadian rhythms and that our species are “nocturnal eaters, inherently programmed for night eating.”
The fasting phase of The Warrior Diet is really more about “undereating.” During the 20-hour fast, you can eat a few servings of raw fruit or veggies, fresh juice, and a few servings of protein, if desired. This is supposed to maximize the Sympathetic Nervous System’s “fight or flight” response, which is intended to promote alertness, boost energy, and stimulate fat burning. The four-hour eating window — which Hofmekler refers to as the “overeating” phase — is at night in order to maximize the Parasympathetic Nervous System’s ability to help the body recuperate, promoting calm, relaxation and digestion, while also allowing the body to use the nutrients consumed for repair and growth. Eating at night may also help the body produce hormones and burn fat during the day, according to Hofmekler. During these four hours, the order in which you eat specific food groups matters, too. Hofmelker says to start with veggies, protein and fat. After finishing those groups, only if you are still hungry should you tack on some carbohydrates.
Pros: Many have gravitated toward this diet because the “fasting” period still allows you to eat a few small snacks, which can make it easier to get through. As the methodology explains (and the “success stories” section of The Warrior Diet website supports), many practitioners also report increased energy levels and fat loss.
Cons: Even though it’s nice to eat a few snacks rather than go without any food for 20-plus hours, the guidelines for what needs to be eaten (and when) can be hard to follow long-term. The strict schedule and meal plan may also interfere with social gatherings, which can be tricky for some. Additionally, eating one main meal at night — while following strict guidelines of what to eat, and in what order — can be tough, especially for those who prefer not to eat large meals late in the day.
4. Fat Loss Forever
How It Works: Not completely satisfied with the IF diets listed above? This method takes the best parts of Eat Stop Eat, The Warrior Diet and Leangains, and combines it all into one plan. You also get one cheat day each week (yay!) — followed by a 36-hour fast (which may be not-so-yay for some). After that, the remainder of the seven-day cycle is split up between the different fasting protocols.
Romaniello and Go suggest saving the longest fasts for your busiest days, allowing you to focus on being productive and avoid focusing on potential hunger. The plan, which can be purchased on their website, also includes training programs (using bodyweight and free weights) to help participants reach maximum fat loss in the simplest way possible.
Pros: According to the founders, while everyone is technically fasting every day — during the hours when we’re not eating — most of us do so haphazardly, which makes it harder to reap the rewards. Fat Loss Forever offers a seven-day schedule for fasting so that the body can get used to this structured timetable and reap the most benefit from the fasting periods. (Plus, you get a full-fledged cheat day. And who doesn’t love that?)
Cons: On the flip side, if you have a hard time handling cheat days the healthy way (i.e. being able to indulge in moderation and turn off that green light when it’s time), this method might not be for you. Additionally, because the plan is pretty specific and the fasting/feeding schedule varies from day to day, this method can be a bit confusing to follow. (However, the plan does come with a calendar, noting how to fast and exercise each day, which may make it easier.)
5. UpDayDownDay ™ Diet (aka The Alternate-Day Diet or Alternate-Day Fasting)
How It Works: This one’s easy: Eat very little one day, and eat like normal the next. On the low-calorie days, that means one fifth of your normal calorie intake. So using 2,000 or 2,500 calories (for women and men, respectively) as a guide, that means a “fasting” (or “down”) day should be 400 to 500 calories. Followers can use this tool to figure out how many calories to consume on “low-calorie” days.
To make “down” days easier to stick to, Johnson recommends opting for meal replacement shakes because they’re fortified with essential nutrients and can be sipped throughout the day rather than split into small meals. However, meal replacement shakes should only be used during the first two weeks of the diet — after that, you should start eating real food on “down” days. The next day, eat like normal. Rinse and repeat! (Note: If working out is part of your routine, you may find it harder to hit the gym on the lower calorie days. It may be smart to keep any workouts on these days on the tamer side, or save sweat sessions for your normal calorie days.)
Pros: This method is all about weight loss, so if that’s your main goal, this is one to take a closer look at. On average, those who cut calories by 20 to 35 percent see a loss of about two and a half pounds per week, according to the Johnson UpDayDownDay Diet website.
Cons: While the method is pretty easy to follow, it can be easy to binge on the “normal” day. The best way to stay on track is planning your meals ahead of time as often as possible, so you’re not caught at the drive-through or all-you-can-eat buffet with a grumbling belly.
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