Presented at 2018 meeting of American Academy of Orthopaedic Surgeons
| Vitamin D | Operation | Needed operative management |
| < 20 ng | 50 % | 29 % |
| 20-30 ng | 17 % | 7 % |
Note - would be far fewer if child had vitamin D level > 40 ng.
Many children having a good level of vitamin D would not even get a fracture
- 4X fewer stress fractures in college athletes if more than 40 ng of vitamin D – Feb 2016
- Half as many fractures for girls with high vitamin D intake – March 2012
VitaminDWiki
- Children with forearm fractures have lower levels of vitamin D – June 2017
- Bone fractures in children requiring surgery were 55X more likely with low vitamin D – June 2015
- Vitamin D and fractures – 24 meta-analyses and counting – Dec 2014 - adults
Magnesium, etc, for bones
- Bone fractures occurred twice as often if low Magnesium – April 2017
- Magnesium may be more important to kids’ bone health than calcium – May 2013
Magnesium, Boron, and Silica, Vitamin K2, along with Vitamin D, make for very strong bones