4 ms·
It’s otc. You want D3 variant, rather than D2. There is some disagreement about dosage - FDA RDA is 400IU daily for adults, but there are reasons to believe it
by beagle3 6y ago
It’s otc. You want D3 variant, rather than D2. There is some disagreement about dosage - FDA RDA is 400IU daily for adults, but there are reasons to believe it is way too low.
Personally, I’ve taken 10,000IU daily for years with only positive effects (also Some K2 and Mg - they likely work in tandem). Deva Boone’s blog describes a case where 5000 IU /daily over years was too much for one of her patients. Do your own research.
There also reason to believe it should be take early in the day (say before 10am), as vitamin D is a derivative of sunlight (among others) and taking it in the evening/night seems to mess the body’s internal clock. (Google “gwern vitamin D” for more)
- jsjohnst 6y agoI am severely Vitamin D deficient due to a medical condition I have which prevents my body from absorbing VitD via the gut (which is how many consume it the most, via food you eat, not via sunshine). I’m on prescription strength VitD supplements and take weekly doses that are 50,000IU. I would not recommend self medicating with high doses of Vitamin D without consulting with a doctor because if you aren’t deficient like me, taking high doses like that can be dangerous as the side effects aren’t fun.
- beagle3 6y agoI did not bother consulting with a doctor before I started, mostly because my GP is an ultra conservative guy and categorically recommends against everything. But I do get regular Blood tests, and am Consistently at the high end of the “good” Bracket. (55 ng/ml? Don’t remember the exact number and don’t have it accessible this second)
- alyandon 6y agoI have an actual minor deficiency as well and had accidentally bought the wrong potency (the bottles are identical except for the 4 pt flyspeck font specifying the amount) from the store and had been mistakenly taking 5000IU/daily instead of 1000IU/daily for about 6 months. When I informed my doctor of my mistake, he ordered a test and although my serum vitamin D levels were not outrageously high they were at the upper limit. So definitely easy to "overdose" on vitamin D and as you point out - the potential side effects are not pleasant.
- Izkata 6y ago> You want D3 variant, rather than D2. Huhm, I have multivitamins that say "Vitamin D" with no hint as to which type. Any idea which it's likely to be?
- spuz 6y agoMost likely D3. D2 is quite hard to find.
- beagle3 6y agoI've been ordering online for a while now, but on store shelves when I was looking it was 3:1 for the D3 -- with the D2 being significantly cheaper. If it's hard to get D2 these days, that's much better.
- mixmastamyk 6y agoWikipedia has the scientific names.