29 posted 3 years ago by TrueNorth77 (context) 3 years ago by TrueNorth77 +29 / -0 20 comments share 20 comments share save hide report block hide replies
The most recent study I saw simply measured the relationships between Vit D levels and outcomes from the disease. No added Vit D. Higher levels of Vit D were associated with significantly improved outcomes. (Association only; not causation.)
There is a possibility it is a surrogate marker, but Christ it’s such an easy thing to distribute with minimal side effects.