3 ms·
There is extremely solid evidence that 4000 IU or 100 mg a day is completely safe for all adults. There are some recent large studies that back this up.
by m0llusk 5y ago
There is extremely solid evidence that 4000 IU or 100 mg a day is completely safe for all adults. There are some recent large studies that back this up.
- orangepurple 5y agoDefinitely not 100 milligrams
- trcarney 5y agoI think you mean 100 mcg.
- datavirtue 5y agoI suggest blood work over guess work. Dieticians are recommending quite a bit more than that.