Water Fast Ketosis

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Tim Ferriss – 3 Day Fast Protocol Details – Get Into Ketosis Quicker And Easier

In Tim Ferriss’ new book Tools of Titans he puts forward a method to optimize the process of fasting. In his typical 80/20 style, he aims to get the most benefits, in the least amount of time. His recommended fast is conducted in a 3 day period, spanning Thursday evening to Sunday evening. 3-Day Fast Overview Stop eating Thursday night Friday morning go for a long walk to accelerate your transition into ketosis Friday and Saturday stay fasted, and consume moderate amounts of exogenous ketones and MCT oil (as needed), to give you a boost while you’re keto adapting. Sunday evening you break the fast. Here’s the process in more detail if you don’t have Tools of Titans to hand: Thursday Evening Eat a low carbohydrate dinner around 6pm. Make that the last meal of the day. Go to bed as normal. Friday Morning Drink some caffeine if needed, then get out the door and walk within 30 minutes of waking. Bring at least 1 litre of water, with some added salt (to prevent headaches/cramping), and sip as you walk. Walk for 3-4 hours(!). Filling up/buying more water as needed. Arrange phone calls for this time, to make the time productive. The idea behind the walk is that you use up your gly Continue reading >>

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Popular Questions

  1. StaalesenArt

    Water fasting, no ketosis

    I'm on day 5 of water fasting, and I still feel hungry. And interestingly enough, I was LESS hungry the first couple of days, but today it seems my desire to eat and the uncomfortable feeling in my stomach has dialed up. I have ingested literally nothing but clean water and technically saliva, and yet I have no sense of ketosis at all.
    I can't prove I'm not in ketosis because I have no means to test my blood, nor will I spend the money to do so. I just know that no matter where I look, there's apparently real clear signs that you're in ketosis, and I have not reached that state apparently. Am I incapable of Ketosis? Is my body just refusing to run off of ketones? Is that possible?

  2. LMichaelM

    Forget bro science. All the published, established literature makes clear that within 24hrs of consuming no nutrients, perhaps a little longer for metabolic outliers, the human body's accessible glycogen reserves (stored sugar) become depleted; it then begins burning its stored fat for fuel, with the production of ketones as part of this biochemical process.
    This burning of stored fat and the associated ketone production in the stated condition of fasting is, by definition, ketosis.
    Whether it leaves you elated, dismayed or indifferent, after fasting for five days you, friend, must of necessity be in a state of ketosis. [Otherwise, you'd not be reading this, nor doing much of anything else either – you'd be dead.]
    Edit (elaboration on last paragraph): This is neither mere rhetoric nor exaggeration. For one example: anorexics of long duration whose accessible fat reserves are close to nil, should they enter a complete fasted state for even a day (taking no nutrients, neither via the GI tract nor intravenously) promptly begin metabolizing their bodies' protein stores (our third tier of energy substrates or potential fuel sources – after our stored sugar, then stored fat)…
    But wait. What are these "protein stores"? The body cannot "store" protein – all its protein is constitutional, structural constituents of its tissues, commonly its musculature, whether skeletal, smooth muscle, or cardiac muscle.
    Ah, that pesky cardiac muscle. The heart. Deprived of incoming nutrients (when fasting) their sugar stores (first-tier fuel substrate) depleted within a day, pathologically skinny anorexics lacking fat stores (our second-tier fuel substrate, burned by healthy individuals in ketosis) begin burning through their muscle, their constitutional muscle, not sparing their cardiac muscle. This is lethally weakened, and thus their death by heart failure ensues. A fate which, after fasting for five days, you escape only because you, presumably, possess ample fat… and you are in ketosis.
    tl;dr: You have been fasting for five days; your glycogen (sugar stores) were exhausted three or more days ago; and your heart is beating fine? Thank God for your fat stores, all that's keeping you alive! You're burning them up with an accompanying production of ketones (detectably or not), and this is ketosis. You. are. in. ketosis.

  3. LMichaelM

    Kind words, /u/infromsea… thank you. And generous, illustrative sharing of your personal experience.

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