"Overdosing D is virtually impossible", they say and sell 100 µg capsules in supermarkets.
Recommendation is however 10 µg and even that is seasonal.
At unmitigated baseline, I'd be chronically Vitamin A, iron, and B-12 deprived. I have to take more than the UL of each, but the amounts are periodically recalibrated by blood tests. I have ginormous kidney stones that will eventually need to be removed.
-- It worked like a charm, in few days all symptoms were gone.
Restored only magnesium part because it really seems to make sleeping better. Other shit comes from food from now on.