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Starvation Ketosis Symptoms

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Ketosis

Not to be confused with Ketoacidosis. Ketosis is a metabolic state in which some of the body's energy supply comes from ketone bodies in the blood, in contrast to a state of glycolysis in which blood glucose provides energy. Ketosis is a result of metabolizing fat to provide energy. Ketosis is a nutritional process characterised by serum concentrations of ketone bodies over 0.5 mM, with low and stable levels of insulin and blood glucose.[1][2] It is almost always generalized with hyperketonemia, that is, an elevated level of ketone bodies in the blood throughout the body. Ketone bodies are formed by ketogenesis when liver glycogen stores are depleted (or from metabolising medium-chain triglycerides[3]). The main ketone bodies used for energy are acetoacetate and β-hydroxybutyrate,[4] and the levels of ketone bodies are regulated mainly by insulin and glucagon.[5] Most cells in the body can use both glucose and ketone bodies for fuel, and during ketosis, free fatty acids and glucose synthesis (gluconeogenesis) fuel the remainder. Longer-term ketosis may result from fasting or staying on a low-carbohydrate diet (ketogenic diet), and deliberately induced ketosis serves as a medical i Continue reading >>

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Popular Questions

  1. martin

    To maximize fat burn, is it better to eat before a cardio session (e.g. spin class), or after?

  2. Brenda

    Neither. I'll be back with more.

  3. Brenda

    As far as "maximizing" fat burning? If there is a scientific formula, I don't know it.

    What I DO know is this: I never eat before a lift session. Matter of fact, I normally lift at around 9 or 10 am, when I am 14 to 15 hours fasted. I have much more energy fasted.

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