Could I damage my health if I stop eating for 4 days?

retards itt who've never fasted
just learn how to make snake juice n fast for 4 days, you'll lose muscle but it's not bad, everybody loses muscle it's not like it's some harmful side effect. you can do it as long as ur above 8% bodyfat just read the fasting thread's sticky

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>you'll lose muscle but it's not bad, everybody loses muscle
Not people who cut like a nonretard.

are you fucking retarded? After around 12 hours of not eating the body shifts fully into ketogenesis and uses bodyfat as its primary source of fuel, it does not prioritise muscle and uses glyconeogensis for any glucose needs such as what the brain needs to function.

You clearly haven't done any research at all. All you need to fast is electrolytes, which you get from drinking snake juice. Fasting is very muscle sparing.

t. Someone who has lost 10% bodyfat from fasting

>Starvation can be broken into 5 distinct phases.
>1. During the first 8 hours of starvation, the body is still absorbing fuel from previous meals.
>Within 10 hours after the last carbohydrate containing meal, roughly 50% of the body’s total energy requirements are being met by free fatty acids (FFA).
>2. The first day or two of starvation, the body will rely on FFA and the breakdown of liver glycogen for its energy requirements. Liver glycogen is typically gone within 12-16 hours.
>3. The first week of starvation, the body will drastically increase the production of glucose from protein and other fuels such as lactate, pyruvate and glycerol. This is called gluconeogenesis. At the same time, tissues other than the brain are decreasing their use of glucose, relying on FFA and ketones instead. This helps spare what little glucose is available for the brain. During this phase, protein breakdown increases greatly.
>4. Ketosis, which begins during the third or fourth day of starvation, and continues as long as carbohydrates are restricted. Adaptations during ketosis is increased utilization of ketones by the brain.
>5. The second week is marked by decreasing protein breakdown and gluconeogenesis, as the major protein sparing adaptations to ketosis occur.

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So once you get past the first week of fasting you are good to go?

>With the induction of starvation, blood alanine/glutamine levels both increase significantly, indicating an increase in muscle protein breakdown. Alanine is absorbed by the liver, converted to glucose and released back into the bloodstream. Glutamine is converted to glucose in the kidney (8). There are also increases in blood levels of the branch-chain amino acids, indicating the breakdown of skeletal muscle.
>During the initial weeks of starvation, there is an excretion of 12 grams of nitrogen per day. Since approximately 16% of protein is nitrogen, this represents the breakdown of roughly 75 grams of body protein to produce 75 grams of glucose.
>After 1 week of starvation, blood alanine levels begin to drop and uptake by the kidneys decreases, indicating that the body is already trying to spare protein losses.
>During longer periods of starvation, blood levels of alanine and glutamine continue to decrease, as does glucose production by the liver. As glucose production in the liver is decreasing, there is increased glucose production in the kidney. Because of these adaptations, nitrogen losses decrease to 3-4 grams per day by the third week of starvation, indicating the breakdown of approximately 20 grams of body protein.
>With extremely long term starvation, nitrogen losses may drop to 1 gram per day, indicating the breakdown of only 6 grams of body protein. >However at no time does protein breakdown decrease to zero, as there is always a small requirement for glucose.

>uses bodyfat as its primary source of fuel
That doesn't mean it eliminates it's need for other things, like protein, because protein is used for more than just "fuel". There is still a "requirement" for glucose in fasting and if it is not met by carb intake, it is met by tissue breakdown.

>Fasting is very muscle sparing.
Given enough time.

>t. Someone who has lost 10% bodyfat from fasting
Well congrats, you must've been rlly fat.

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nah

you'll just get gassed as fuck and be light-headed

fierce hunger sets in at around 32 hours into a long-term fast

why 4 days?

The question OP asked was,
>Could I damage my health
And the answer to that is quite clearly Yes, you could.

You won't have any energy to exercise/lift, which would be a better stimulus to preserve muscle mass.

I’m not OP, but I want to fast for a week just to see if I have the discipline/ what it will feel like when I’m done. How many gains do you think I would be sacrificing by the end of this period?

I haven't eaten in 6 days currently and I feel FANTASTIC! Down 15 lbs, feeling intense mental clarity, peace, low inhibition, optimistic, just generally happy, focused and driven. I got willpower of the gods right now. Haven't felt even a smidgen of hunger. I will continue to fast until I start feeling like shit, if I do. If I don't feel ill or anything, I'll go as long as I possibly can. The only problem I'm having is having so much time on my hands that IDK what to do. I've been spending a lot of time cooking and practicing music, cooking good shit for my homie and making some tunes. I actually feel much more control over my singing voice. It feels more free. Anyway, yeah, it's good.

>just drink your own urine bro

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That's very difficult to say as I would suspect that it is highly individual in terms of how you handle it. Those are the general adaptations but some people do better with things than others.
But consider that by fasting for a week, you are not making gains. And if you were to exercise during the week, which is probably not recommended, you would probably have terrible intensity (1st workout may be fine, consecutive workouts will probably suffer). Damage done to your muscles through lifting will not be recovering because there are no nutrients to repair them.

Only if you are slaving away in a gulag right now and you are at the brink of starvation. Otherwise 4 days won't harm you

I would also recommend trying either IF or a ketogenic diet for a couple weeks before doing this so you can acclimate yourself to what it feels like being carb-free and also to promote the adaptations listed above while still being able to eat high protein to prevent the initial stages' tissue breakdown.

Why is this guy not incredibly lean if he's the snake diet guy? What does he do?

I drink my own piss, it's not bad.

Does this work if I drink someone else's urine?

bro can I drink your urine? I'm tapped out rn, dw I'll get you back for it

No, if youre fat.

yes, you will LITERALLY die if you do it

If you read how to fast properly and fast properly, no. Just don't expect to have much actual energy 48+ hours in.
Start with 24 and 48 hours fasts and see how you like them. I felt great mentally and my skin was great when I was fasting more often, but your physical performance goes down the shitter. Great to implement in for cuts though.

i fasted for a month. you'l be ok

he is though

you could but some dude didn't eat for a whole year and he was fine. just took vitamins i think. here it is en.wikipedia.org/wiki/Angus_Barbieri's_fast

You can reboot your immune system, which is no bad thing with the coof going around

ideapod.com/study-finds-fasting-72-hours-can-regenerate-entire-immune-system/

youtube.com/watch?v=APZCfmgzoS0

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this. fasting isn't magic and where physique/strength is concerned it's only relevant if it helps you hit your calorie goals. personally i find it easier not to eat for longer periods than having regular small meals.

forget all the supposed enormous benefits you will hear about for fat burning, muscle retention and all that bullshit. usually any studies on this kind of thing are done on untrained individuals who don't represent someone interested in performance/muscle gain, which is a different kettle of fish.

fasting for as long as 4 days is almost always retarded in terms of strength/physique. it will severely impact your performance in the gym and unless you're a rank beginner you will lose muscle. of course the fasting zealots don't want to believe this, but it's true and you shouldn't listen to zealots because they ignore reason to remain loyal to their fad.

I don't know...
Can you repeat the question?

Ok but he had his micronutrients supplemented.
without them you could be fucked pretty bad

no

I'm not convinced this is true when you consider all the factors, in my own experience, yes, you will a little muscle and strength but when you consider how much faster you're losing fat you have to equate that to the amount you'd lose over a much longer period doing a slower calorie restricted cut, then also consider the hypothetical gains you can make with all the extra time you can spend afterwords in a lean bulk that would otherwise have still been spent still losing weight with calorie restriction. In a personal study of just myself, at the end of a long fast with a couple days of regular eating afterwords I lost a little less strength fasting but also got my cut over with four times faster, the appeal of that time factor alone is enough to convince me that fasting is the way to go, for me at least.

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looking good user
what the timeline between these pics

only if you have a serious medical problem

4 days of fasting will make you weak until you eat again but otherwise it's quite healthy

38 days

Is it safe to just fast 16/8 for the long term?

You're very likely to improve your health a lot. But please for god's sake, don't say "not eating" if you are still drinking 3 litres of coca cola per day. Water ONLY bro

>thinks 4 day fast is a long time

Safe? It's actually good for you.

how often were you eating? or was this just water fasting?

I started with a 10 day fast, then I ate for two days, then a 5 day fast, then I ate for two days, then a 3 day fast and after that I did alternate daily fasting, longer fasts are much more manageable with more body fat so I just did what I could comfortably do.