Also, get your blood work done regularly and do your annual checkups with your Doctor. There's no reason to guess that you might be vitamin deficient, you can just go check.
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