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Uric acid superfoods

4,660,138 görüntüleme • 1 gün önce •via X (Twitter)

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Fructose is a MITOCHONDRIAL TOXIN Oh no! David Pearlmutter says fructose is a mitochondrial toxin on the Lewis Howes podcast One problem, he’s DEAD WRONG. First off he says they are “totally different molecules in terms of number of carbon atoms.” Uh the chemical formula of fructose is the same as glucose, C6H12O6. They have the exact same number of carbon atoms LOL. The difference is that glucose is in a 6 carbon RING structure & fructose is in a 5 carbon ring structure. Maybe I’m just hung up on basic chemistry tho Then he says “fructose is IMMEDIATELY metabolized into uric acid.” The ONLY studies showing fructose to increase serum levels of uric acid in the blood give MASSIVE doses of fructose at 1 sitting, over 250g AT ONE TIME. For context, you’d need to drink over 11 cans of Coca Cola at ONE time to replicate that dose. In studies looking at doses of fructose of 70-154g at once (3.5-7 Coca Cola’s at one time), there was NO increase in uric acid (PMIDs: 4191459, 433820, & 6369956). In longer term studies, consumption of ADDED (ie on top of their normal diet) fructose of 50 - 60g fructose/d for 12 weeks to 1 year did NOT increase uric acid levels (PMIDs: 3618627, 2527132, & 2721342). For reference, the average daily fructose consumption in the US is 55g/day (PMID: 18769702) When fructose is exchanged with other sugars like glucose in a 1:1 ratio, it does NOT have negative effects on bodyfat, insulin sensitivity, or really any metabolic parameters (PMID: 33029629, 28592603, 22351714, & 39458565) Ok so please explain EXACTLY how this is a mitochondrial toxin David? Because thus far, the only studies demonstrating increased uric acid production or problems with fructose are those that use ludicrous doses or very high calories overall. This is just another example of someone with an MD going off the reservation way outside their area of expertise. Just because someone is a neurologist does NOT mean they understand nutrition or even basic chemistry apparently

Layne Norton, PhD

30,152 görüntüleme • 1 yıl önce