But don’t start taking it without actually testing first. Hypervitaminosis D doesn’t sound like any fun at all.
As the article points out, even a conservative estimate is that the upper limit is probably ~10k IU (and if you look at the earlier sections, it’s safe to inject as much as 600k IU). 1k IU is going to be safe for everyone who isn’t already popping 9k IU...
As the article points out, even a conservative estimate is that the upper limit is probably ~10k IU (and if you look at the earlier sections, it’s safe to inject as much as 600k IU). 1k IU is going to be safe for everyone who isn’t already popping 9k IU...