Рет қаралды 790
www.DoctorsToTrust.com
@doctorstotrust
presents episode 1894 | DRs STEPHEN PHINNEY & JEFF VOLEK
Most dietitians & doctors will tell you that ketones are
simply toxic byproducts of fat metabolism…
they only think of ketoacidosis--which requires ketones
in the 15 to 20 range
-nutritional ketosis is in 1 to 3 range
-ketoacidosis is a flood that sweeps
away bridges
-nutritional ketosis is in the lower
range...like starvation ketosis, but
body is burning body fat, not starving
Nutritional ketosis has the kidneys release salt …
-that is one reason BP drops while in ketosis
also:
-blood vessels change due to low carb eating
Volek
We have had positive effects on biomarkers…
-vascular function & BP improve through natriuresis
Functioning of blood vessels:
Brachial artery reactivity: measures
how main artery in arm responds
to hypoxic stimulus
-standard test to determine how
well blood vessels are performing
Put people with metabolic syndrome [IR] onto ultra low
carb diet to induce ketosis for 12 weeks; checked on
how vessels responded after that
-result: improvement vs standard high carb diet
-looked at vessels' response after
one high fat meal--had some
dysfunction, so many said:
stay away from fat
When allowed more than a few weeks on high fat eating,
-get an improvement in blood vessel function
-improving endotheilial function
-cells that release nitric oxide function at higher level
Phinney
Many studies of low carb are very
short term and show negative
results. Have to do 4 weeks or
more for body to adapt
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