Vitamin D extends lifespan about 60 percent (for worms in a lab)
Nice description of study at Medical Express
The more the vitamin D which was added, the longer the worms lived

Zero data that lifespan of other animals, including humans, would also be extended, but we can hope
The actual study is can be 📄 Downloaded Vitamin D Life
Vitamin D Promotes Protein Homeostasis and Longevity via the Stress Response Pathway Genes SKN-1, IRE-1, and XBP-1, Cell Reports, DOI: 10.1016/j.celrep.2016.09.086
“Caenorhabditis elegans is a free-living (not parasitic), transparent nematode (roundworm), about 1 mm in length, that lives in temperate soil environments.”
“ C. elegans was the first multicellular organism to have its whole genome sequence ”
“In 2002, the Nobel Prize in Physiology or Medicine was awarded to Sydney Brenner, H. Robert Horvitz, and John Sulston for their work on the genetics of organ development and programmed cell death in C. elegans.”

Several studies indicate humans living about 2 years longer with a moderate amount of extra vitamin D
Wonder how much longer people will live if given the amount of vitamin D given to this well-studied round worm
See also Vitamin D Life
Telomeres (which extend life) appear to be extended by Vitamin D - March 2015
Telomeres for a Longer, Healthier Life - book mentions vitamin D - 2010
Telomere 88 items in Vitamin D Life as of Oct 2016
Mortality category has the following
click on image for details
Items in both of the categories Meta-analysis and Mortality:
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Chart: "squaring of the curve" made Jan 2011 by Vitamin D Life
