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18.10.2022


More vitamin D, faster stress fracture recovery

Athletes and soldiers often suffer from small cracks in bones due to overload. It can take several months to recover from such stress fractures. If the vitamin D level is relatively high (read: if the vitamin D level is as high as it should be), this recovery process is considerably faster.


More vitamin D, faster stress fracture recovery


Study
British doctor Thomas Richards, at St Mary's Hospital in London, followed 37 soldiers who had suffered a stress fracture. Often these fractures were the result of endurance training with boots on or field training.

Richards measured the soldiers' vitamin D levels and tracked how long it took for the fractures to heal.

Results
Soldiers with less than 25 nanomol/L of vitamin D in their blood recovered after 13 weeks. In the soldiers with an adequate vitamin D status, with a vitamin D level of more than 50 nmol/L, recovery took only 10 weeks.


Athletes and soldiers often suffer from small cracks in bones due to overload. It can take several months to recover from such stress fractures. If the vitamin D level is relatively high (read: if the vitamin D level is as high as it should be), this recovery process is considerably faster.

Athletes and soldiers often suffer from small cracks in bones due to overload. It can take several months to recover from such stress fractures. If the vitamin D level is relatively high (read: if the vitamin D level is as high as it should be), this recovery process is considerably faster.


Conclusie
"With sufficient evidence that military training could multiply the baseline risk of stress fractures in recruits, ensuring that vitamin D insufficiency is minimised appears to be a logical ambition and one that could be achieved by imposing a minimum serum 25-OHD level threshold for entry to initial training", the researchers write.

"The study was limited by its small sample size and the fact that serum 25-OHD levels were not measured in recruits who did not develop stress fractures, removing the possibility of a control group. A larger study should next be conducted to determine whether routine screening is beneficial and cost effective before policy can be influenced."

Source:
BMJ Mil Health. 2020 Aug;166(4):240-2.

More:
Animal study: L-citrulline supplementation accelerates healing of broken bones 31.07.2020
Gelatine-based Fortibone makes bones stronger 12.05.2018
Gelatin makes intensive exercise even more effective against bone loss 18.12.2017

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