Keto diet craze may lead to reduced bone health: research

Three-and-a-half weeks later the teams had been examined for bone markers after fasting, consuming, exercising and once more after a carbohydrate “restoration” feed.

The athletes on the keto diet displayed a rise within the markers of bone breakdown and a discount within the markers of bone formation.

This is robust circumstantial proof that the ketogenic diet might have antagonistic results on bone well being in elite athletes.

Professor Amanda Salis

The researchers, whose work was printed in Frontiers in Endocrinology,  imagine this may be the results of an irritation response.

Louise Burke, the top of sports activities vitamin at AIS, stated when there was low carb availability throughout exericse, there have been “increases in the inflammatory response to exercise and there’s a number of … activities that are the result of that, one of them being the bone-change”.

“You would predict that if this was the daily environment in which they were getting more bone breakdown then, over time, that would lead to bone loss or loss of bone mineral density,” she stated.


Professor Amanda Salis, from the University of Western Australia’s School of Human Sciences, says the research (which she was not concerned with) confirmed that “elite athletes who underwent the ketogenic diet were breaking down more bone and rebuilding less bone than the elite athletes who underwent the non-ketogenic diet”.

“This is strong circumstantial evidence that the ketogenic diet could have adverse effects on bone health in elite athletes. It is not clear if these same results would also apply to people who are not elite athletes.”

While the ketogenic diet may stay fashionable in sure circles, it’s not fashionable among the many elite athletes Burke works with on the AIS.

Their research has discovered that for athletes needing to work at a excessive depth (80-85 per cent of VO2 max) “it is not beneficial”.

This is as a result of fats requires extra oxygen to burn than carbohydrates, Burke explains. So when an athlete wants to discover one other gear to allow them to dash to the end line, or energy up a hill or break free from the pack, they’ve to use extra oxygen or decelerate.

“In our studies, we found it might be an OK thing to do in very moderate ultra-endurance exercise but when we’re dealing with higher intensity elite athletes, it’s actually a disadvantage,” she stated.

For this purpose, when Burke now tries to recruit athletes to strive the keto diet to allow them to additional discover the “bone angle”, they do not want.

Burke insists no vitamin research is “black and white”. “There’s always context,” she stated, advising individuals to “weigh up the evidence and see where it points”.

For long-term bone well being and high-performance sport nonetheless, the proof doesn’t level to the ketogenic diet.

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