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New study. Keto v low carb v low cal
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<blockquote data-quote="Oldvatr" data-source="post: 2307352" data-attributes="member: 196898"><p>A perusal of the Krebs (aka Citric Cycle) shows that cells in the body are able to use either glucose or ketones as fuel. We are a true dual fuel machine. Dropping carbs completely from diet will only become a problem if you are unable to create ketones, and to do that you need either carbs(usually) OR protein OR fat since our bodies can turn all of these into useful ketones. What we actually burn in the cells is akin to vinegar (i,e, acetyls).</p><p></p><p>The problem with the brain cells is that there is a barrier that allows glucose to filter through, but not much else. Ketones can also pass this barrier, but lipids cannot. So when we say we are fat burning, it is muscles doing that but the brain needs the smaller molecules. Living on zero carbs is difficult to achieve in practice anyway.</p></blockquote><p></p>
[QUOTE="Oldvatr, post: 2307352, member: 196898"] A perusal of the Krebs (aka Citric Cycle) shows that cells in the body are able to use either glucose or ketones as fuel. We are a true dual fuel machine. Dropping carbs completely from diet will only become a problem if you are unable to create ketones, and to do that you need either carbs(usually) OR protein OR fat since our bodies can turn all of these into useful ketones. What we actually burn in the cells is akin to vinegar (i,e, acetyls). The problem with the brain cells is that there is a barrier that allows glucose to filter through, but not much else. Ketones can also pass this barrier, but lipids cannot. So when we say we are fat burning, it is muscles doing that but the brain needs the smaller molecules. Living on zero carbs is difficult to achieve in practice anyway. [/QUOTE]
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