[TTFX]

If you don’t take vitamin D regularly and don’t get sun exposure,

taking 10 micrograms per day might help a little and it’s unlikely to be excessive.

Megadosing on vitamin d might reduce vitamin k, and people with low vitamin k have poor outcomes.

If I were to experiment, I would take iron chelators.

[UnwashedPeasant]

The main Ivermectin research group includes Vitamin D in their inpatient hospital protocol, as follows:

1st choice: Calcifediol preferred: 0.5 mg by mouth day 1, then 0.2 mg by mouth day 2 and weekly thereafter
2nd choice: Cholecalciferol: 20,000–60,000 IU single dose by mouth then 20,000 IU weekly

Calcifediol (also called calcidiol) is a fast-acting vitamin D. Regular D3 has to be converted to Calcifediol in the liver before it is used, and this can take 7 days.