8 Fasting Variations for Weight Loss | Jason Fung

today i'm going to talk about the different types of fast that you can do because there's a lot of different variations that you can try and still get good results and it's coming right up [Music] a fasting period is defined as any period of time that you're not eating so in the classic definition you're really only allowed water and if you take anything else by definition that is breaking your fast however when we do fasting there can be lots of different reasons you can try and do it to lose weight you can do it for controlling your blood sugars there's lots of different reasons why you might fast and in those circumstances you can allow certain things into your fast that are going to make it easy so in this week's video i'm going to cover different variations of fasting that you can try that might make it easier to sustain the fast and therefore get good results in terms of what you're aiming for the classic fast only allows water with nothing else and there's lots of ways that you can still add some flavor to the water and still make it taste good so you can try lemon or lime for example you can squeeze lemon in and drop it in there's lots of the flavorful oils in the skin or the brine that can make it taste good you can infuse herbs into it so mint is very popular cucumber is very good and then you can also infuse fruit flavors so if you use something like strawberries for example you can cut them up put them in water let them steep overnight and you'll get the flavor of the strawberry with very little calories still apple cider vinegar is another thing you can add to water and while it's still just water only it has a little bit of that tanginess some people find it's very helpful in terms of suppressing hunger so those are the classic water fasts there are however many other different ways to do it number two is dry fasting and this is used classically in certain types of religious fasting and dry fasting does not even allow water so it is limited in the amount of time you can do it certainly anything over 24 hours is not recommended and many people get thirsty long before that taking something to drink often makes it easier to fast so the dry fasting some people find a little harder but surprisingly some people find it easier and there's a reason for that when fat is being metabolized it actually breaks down and water is released this is one of the reasons why bears for example will hibernate all winter and they're not drinking any water so you might wonder how they're getting their water why they're not getting dehydrated and is because the metabolism of the fat will actually release a little bit of water during fasting what can sometimes happen is people may find that they're urinating a lot as you fast the insulin levels go down and insulin tends to hold water within our bodies so when we fast that insulin level allows that water to come out so some people get a lot of urine and some people even get diarrhea and they find it very bothersome and in this situation that's where dry fasting for a short period of time might be very useful to make it easier for you the other interesting thing is some people find that their hunger is much less when they do a dry fast compared to a water only or a flavored water fast and if it works for you there's no reason not to do it but again i stress that anything longer than 24 hours is not recommended because you do get dehydrated very quickly number three is a tea fast so in addition to allowing flavored waters and waters you also allow herbal teas and also teas with no other cream or sweeteners so no artificial sweeteners no artificial flavors but green teas black teas oolong teas there's also other variations like herbal teas which are not real teas because they don't have the tea leaf they're herbs so mint teas chamomile teas cinnamon for example they're all very good there are other varieties which you can get now like mushroom teas which some people find very useful as well because they don't have any calories and because they also have no effect on insulin as you fast your body is going to metabolize the glucose in your body so your blood glucose often gets better and then you're going to metabolize fat so you will find that you can lose weight and the tea or the herbal tea may make it a lot easier the fourth variant you can try is allowing coffee so black coffees are good and it contains a lot more caffeine than teas so some people find it very useful and also a lot of people are are very addicted to or used to having coffee in their system so that they find it very useful to maintain that normal rhythm when they're eating or when they're fasting so coffee and a little bit of cream is okay both teas and coffees when it's hot are great as iced variations as well the fifth type of variation is bone broth and bone broth is clearly a type of food in that it has proteins often it has fats and also some calories however the amount is very small so while it's not a true fast you can use it to help suppress the hunger you can use it to go longer periods of time and by doing that you can sometimes get excellent results in terms of blood sugars and weight loss homemade broths are what we recommend here using bone if you're if you don't want to use bones you can use vegetable broth but try to avoid canned broths that tend to have a lot of processing boolean cubes msg that kind of thing it's better to make your own and use the bones use the vegetables use herbs some people also add some vinegar into the mix as well the sixth type of fasting is fat fasting and we talk about this a lot where we use high fat foods well again not a true fast do allow some people to do very well in terms of their weight loss the fat really helps suppress the hunger and because it's also very satiating and you can sometimes still lose a lot of weight on these high fat diets it is sometimes very useful bulletproof coffee is a type of fat fasting because you have the coffee and then usually a large amount of oil or butter or mct oil so therefore it really classifies it as a food there's a significant number of calories there and that can sometimes do very well we have heard lots of people say they've done great on that the seventh type of fasting is the five to two fasting which was popularized by dr mosley in the uk and it has five normal days of eating and two days of fasting which is not a true fast but he allows 500 calories during that day of fasting so clearly it's not limiting by time but on those two days it's an ultra low calorie day and again that is sometimes a great strategy for some people to use with a lot of success the eighth type of fast is what can be sometimes called a fiber fast where you're just allowing very very high fiber foods such as chia seeds for example so chia seeds you can put them in some liquid and they will bloom up some form sort of a gel um and you can put a little bit of flavoring in that and when you eat it it makes you full but there's a lot of fiber in there so it sort of takes up a lot of space and keeps you full and if it allows you to do more of the regular fasting then sometimes the net benefit is there so those are eight different types of fasts that you can do there's lots more other ways to vary it including the the amount of time you're fasting but these are ways you can change what is allowed during the fast and by doing that you might find that one strategy really works for you and if it works great go ahead and use it if not you can change and try different other things the key is to see what works for yourself because we're all different so give them all a try and i hope you the best of luck thanks for watching everybody i hope you learned something if uh you could do me a favor and hit that like button so other people can find that video and if you want you can share it with your friends maybe they'll learn something too thanks for watching everybody

Channel: Jason Fung

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Id: GNUSFaQIIjg

Length: 9min 42sec (582 seconds)

Published: Sun Sep 12 2021