Most folks are deficient, and it is difficult, though not impossible to overdo it. Also, if you are living at 35+ degrees latitude, dark skinned, or ~50+ years old, you are deficient.
Your warnings to be careful are careful in the wrong direction, ie. dangerous.
https://pubmed.ncbi.nlm.nih.gov/32252338/
https://www.webmd.com/lung/news/20200518/more-vitamin-d-lowe...
Most folks are deficient, and it is difficult, though not impossible to overdo it. Also, if you are living at 35+ degrees latitude, dark skinned, or ~50+ years old, you are deficient.
Your warnings to be careful are careful in the wrong direction, ie. dangerous.
Just found this on the front page!:
https://www.sciencedirect.com/science/article/pii/S096007602...
https://news.ycombinator.com/item?id=24366006