> oral vitamin D supplementation has not been convincingly shown to prevent the above conditions
Many generalist will still prescribe vitamin D every winter as a standard procedure.
If it has a placebo effect, as long as producing vitamin D is not extremely polluting/costly I'd see it as win.
But otherwise, making an effort to get sun, and in particular managing one's life to not be locked in a building during the few sunny hours of a day should be valued more highly.
Many generalist will still prescribe vitamin D every winter as a standard procedure.
If it has a placebo effect, as long as producing vitamin D is not extremely polluting/costly I'd see it as win.
But otherwise, making an effort to get sun, and in particular managing one's life to not be locked in a building during the few sunny hours of a day should be valued more highly.