Having a good level of vitamin D will:

Extend the lives of your parents - at least 2 years

Reduce your parent's health and housing expenses -the final years with vitamin D are NOT the declining years

While vitamin D will delay getting it,

~hs~~hs~~hs~~hs~~hs~~hs~less will be spent on health and housing,

~hs~~hs~~hs~~hs~~hs~~hs~~hs~~hs~~hs~~hs~~hs~~hs~so you will end up getting more inheritance

(To further maximize YOUR inheritance, DISCOURAGE the siblings from taking any vitamin D)~hs~~hs~

See VitaminDWiki

• Encourage your senior parents to take more vitamin D, you will get more inheritance
  Has links to: Falls and Fractures; Cognition; Extend life; Improve mobility; Reduce diseases