“Throw away the broad brimmed hats, long sleeved shirts the parasols and the sunscreen and get in the sun for 10 minutes a day.”
tough to do during the winter in the rocky mountain states where HIGHS can be -23 degrees for two weeks in a row and there’s two feet of frozen snow on the ground ...
People who rely on supplemental vitamin tabs pee out most of the D but a balanced diet works.