What's better fuel for the body? Glucose or Ketones?

What's better fuel for the body? Glucose or Ketones?

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  1. 1 month ago
    Anonymous

    the human brain prefers ketones

    • 1 month ago
      Anonymous

      ketones for brain health and dense calories. glucose for digestion

      Why does the brain prefer ketones? Isn't it more acidic, which would be better for digestion?

      • 1 month ago
        Anonymous

        they are shitposting, the human body prefers glucose. every time you eat the brain instantly grabs onto roughly 40% of any available glucose averaged throughout the day.
        in fact proven in animal studies of animals that operate the same as us. the brain can only utilize 2/3rds of its energy sources from ketones. Effectively in a starvation scenario where you have limited to no glucose sources, what little you do ingest will be entirely used up by the brain and only the brain to fend off starvation. Giving you about 90 days to live.
        Animal sources give glycogen, which can be converted to glucose, but eventually your brain will still starve as only animal sources in extreme lean diets will not provide glucose.

        Reminder there is no group of people on the planet that eat only meat, not a single one.
        The theory that we were "hyper-carnivores" only comes a time period where we had excess meat supplies to the extreme and therefore could provide adequate glycogen from animal sources.

        • 1 month ago
          Anonymous

          >the brain instantly grabs onto roughly 40% of any available glucose
          just a bold faced lie. the blood brain barrier keeps brain glucose much lower than serum glucose

          • 1 month ago
            Anonymous

            he is right, you are confusing.
            the brain takes about 25% of total body energy.
            Not total glucose and neither 40% of glucose.
            actually some people discovered diabetes 3 is when you have too much glucose on the brain(when the alzheimer is not caused by aluminium or lead poisoning.

            • 1 month ago
              Anonymous

              the 40% is an estimate of normal bodyweights and normalized diets. it averages to 40% at any given meal where the surge of glucose is being added to the body, being shipped almost instantly to the brain.

              The total glucose usage of the brain is 2/3rd your daily glucose however that is at any given moment, including the downtimes between meals where it the priority shifts to allows glucose to hit to other portions of the body and the brain more evenly balances its absorption.

              >tldr
              >sudden surge of glucose
              >mass absorption of it is pushed to brain first

          • 1 month ago
            Anonymous

            >shitposting unironically

            • 1 month ago
              Anonymous

              still wrong

              • 1 month ago
                Anonymous

                >shitposting unironically

              • 1 month ago
                Anonymous

                still wrong
                > In humans, the brain accounts for ~2% of the body weight, but it consumes ~20% of glucose-derived energy making it the main consumer of glucose (~5.6 mg glucose per 100 g human brain tissue per minute [2]).

              • 1 month ago
                Anonymous

                >shitposting unironically

              • 1 month ago
                Anonymous

                >still wrong

  2. 1 month ago
    Anonymous

    ketones for brain health and dense calories. glucose for digestion

  3. 1 month ago
    Anonymous

    The one that is preferentially absorbed. Ideally also the one that has nutrients the body can't live without if we're talking exogenous.

  4. 1 month ago
    Anonymous

    Ketones for the hairloss and kidney failure

  5. 1 month ago
    Anonymous

    You only make ketones when you run out of glucose, because to make ketones you need ketogenic amino acids. Even then, your body js still producing new glucose from glucogenic amino acids. Instead of breaking down muscle to fuel your brain, it makes way more sense to just eat glucose.

  6. 1 month ago
    Anonymous

    You homosexuals are still playing into ketoschizo's humiliation fetish? You know he makes these threads to goon to you replying to him, right?

    • 1 month ago
      Anonymous

      I find it amusing, dude has literally made himself schizophrenic by not just eating a little sugar.

    • 1 month ago
      Anonymous

      I was curious which one was better for the human body since we're omnivores. I don't know who ketoschizo is.

      • 1 month ago
        Anonymous

        https://i.imgur.com/xN1Bfl1.png

        What's better fuel for the body? Glucose or Ketones?

        If you're referring to the image, left is a healthier diet.

        Realistically speaking, I think using ketones maybe ~50% of the time is ideal. Which is very low carb. Fully eschewing carbohydrates (besides fruits) could be good if you have a sensitive body and most plants give you inflammation.

        [...]

  7. 1 month ago
    Anonymous

    You should be switching back and forth. Intermittent fasting is perfect for that. Glucose is a great fuel for muscles, but ketones improve brain functioning. Fasting also helps a lot of repair functions in the body and will balance your hormones.

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