[aMorePerfectUnion]

Star,

I am in the NE USA - not a lot of sun exposure in winter.

In regards to safety, you could take 100,000 for weeks with
not side effects.

For lurkers... make sure you take the D3 form.

[STARWISE]

Vit D3, for sure. I wonder how your levels
were so acceptable ... however it is, good
for you. It’s incredible.

[decimon]

I am in the NE USA - not a lot of sun exposure in winter.

According to the NIH, at the latitude of Boston you will make no vitamin D from sunlight for the four months of Nov. through Feb. If that's so then you will make little vitamin D from sunlight for much of the rest of the year.