Fasting Affects Your Hormones Greatly | DrEricBergDC

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so I want to talk about the hormone effects that can occur from doing a fast

some really interesting research I put the link down below

comparing fasting for two to seven days versus fasting from 8 to 20 days so this

would definitely be a longer fast compared to a shorter fast now this data

is not based on intermittent fasting but at least you can get a concept of what

could happen to the endocrine system when you start to fast

the first hormone that’s involved is adrenaline okay this is a counter

regulatory hormone so in other words when you go to sleep at night and you’re

not eating sometimes you’re going to get a release of glycogen so your body’s

going to use glycogen as fuel especially if you haven’t adapted to fat-burning

what happens is the glucose is being released and the blood sugars going up

this way and then insulin comes in there and pushes it down

and so there’s counter regulatory hormones adrenaline being one of them

that will kick in and release the sugar and raise the sugar back up to prevent a

crash and blood sugars that can happen especially if you are instant resistance

this is the main reason why people may feel that they’re not sleeping that well

when they’re doing fasting I realize that’s a temporary situation it’s gonna

get better after you have adapted a little bit better and you’ve lessened

the insulin resistance issue what you can do in the meantime is take a little

calcium don’t take calcium carbonate take

calcium citrate or calcium lactate right before bed and take some b1 okay

I like nutritionally use for that and this should help chill this out a little

bit so you can sleep through the night but you can see in a shorter turn fast

it’ll go up more than a longer fast okay next one hormone is cortisol cortisol is a

stress hormone but it’s also a counter regulatory hormone to prevent the blood

sugar from dropping too far same is what I just talked about right here

so cortisol released because cortisol is a glucocorticoid it releases sugar in

the system to try to keep the sugar up goes up when you do a fast between two

to seven days but with time after your liver adapts to ketosis you’re not going

to have this spike in cortisol okay leptin here’s the thing with leptin

it’s a hormone that satisfies you when leptin goes up you’re satisfied you

no longer have an appetite now the problem is that overweight people people

that are obese have high levels of leptin but it’s not working in their

body because they have leptin resistance and then leptin doesn’t work anymore so

you hear you have this overweight person that is starving all the time because

they may have high levels of leptin but it’s unavailable to them when you start

doing a fast you start to reverse this process and you make the receptors for

leptin work better so leptin will come down to a normal range but the point is

that what caused the leptin resistance in the first place is a high level of

leptin so all we’re doing with fasting is reversing that whole thing you’re

reversing two things you’re reversing leptin resistance as well as insulin and

resistance right here and this is the next one one I want to mention when you

do fasting the biggest benefit from that is the reduction in normalization of

insulin so insulin will come down and insulin is tied into so many problems

not just weight but inflammation cognitive function your mood your kidney

function your vision your heart so you’re going to get massive benefits

from fasting just by normalizing this one hormone then we get the sertoli

serotonin will increase both in a two to six day fast as well as a eight to

twenty day fast and serotonin is going to give you a lot of cognitive benefits

you’re gonna sleep a little better at night and the main thing that serotonin

will give you is just a a good state of well-being the next one is very

and that’s growth hormone growth hormone really goes up especially from a two to

seven day fast growth hormone is the anti-aging hormone most people over the

age of 50 are deficient in growth hormone it also is protective against

muscles collagen joint problems it protects against a loose skin and

wrinkly old skin very very important and it also influences your cognitive

function too next one is glucagon nom what is that this hormone is the

opposing hormone to insulin it’s made in the pancreas but it does the opposite of

insulin so it helps you burn fat it helps protect your proteins the way that

you increase this is you decrease this right here so it kind of works kind of

like on a teeter totter but fasting is a very powerful trigger

of glucagon exercise will trigger it as well exercise will also trigger growth

hormone especially if you do high intense interval training next one is t3

now I did a video specifically just on this recently and I’ll put the link down

below but sometimes t3 will decrease okay now you might think oh my gosh

that’s gonna be a problem with my metabolism but it’s not because what

you’re gonna have is you’re gonna have an increase in reverse t3 which is kind

of like a t3 storage because your body is adapting to this new fuel and it’s

becoming more efficient what’s very unlikely you’re gonna have any other bad

symptoms from this except you may have a slightly low t3 it might still be within

a normal range just on the low side I wouldn’t worry about that because as

soon as you eat this will come up and then we have estrogen estrogen may

decrease when you do fasting well that’s not a problem if your estrogen dominant

but what if you’re already low in estrogen one of the best things to take

would be to take some vitamin E natural vitamin E in the whole complex to help

balance your sex hormones and this is one of them right here and when you do

fasting it’s very important to take supplements while you fast just because

you don’t know if you’re deficient in a mineral

like potassium or some vitamin and because you’re not eating you’re not

getting the nutrients if you’re deficient that can create even more

stress on the endocrine system but if you do fasting with nutrients it’ll

protect the endocrine system and you have minimal issues with hormones but if

you take a look at some key things that have happened when you fast you get

massive improvement by decreasing insulin increasing serotonin increasing

growth hormone and glucagon and some of these other hormones will come back to

normal once you’re fully adapted but I’m just bringing up the different changes

that can occur when you do a fast thanks for watching with another amazing recipe

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