4 ms·
Test your current level, ideally in the winter or early spring. If it’s low or low-normal[1], start with 2000 IU/day. Wait 6-9 months, test again. If it’s still
by troydavis 4y ago
Test your current level, ideally in the winter or early spring. If it’s low or low-normal[1], start with 2000 IU/day. Wait 6-9 months, test again. If it’s still low, increase to 4000 IU/day.
The comments on this submission have more: https://news.ycombinator.com/item?id=34634977#34635562 https://news.ycombinator.com/item?id=34634977#34635562
[1] If it’s really low, see a doctor