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View Full Version : Vitamin D - green stool?


Matt Powell
04-26-2010, 10:18 AM
On days when I know I didn't spend much time in the sun, I've been supplementing with 6000iu of Vitamin D (D3, Kirkland).

Whenever I do this, the next day, my bowel movements have a distinct greenish color to them. I feel fine, and they're otherwise the same as normal. I find some references to this with infants and Vit. D, but haven't seen it mentioned here or on other athletic/supplement sites.

Is it just me? Can anyone point me toward a link maybe explaining what's happening?

Steven Low
04-26-2010, 02:20 PM
That's pretty odd. What do the infant sites say?

Garrett Smith
04-26-2010, 02:48 PM
Are you taking it with food that has fat?

Matt Powell
04-27-2010, 06:47 PM
The infant sites say nothing helpful - only that it happens.

Sometimes just after eating dinner (usually chicken or beef and a salad these days), but sometimes later.

I'm about to start a fish oil regimen - would 8-10g of fish oil taken at the same time as vit D be enough to help absorb the latter?

Steven Low
04-27-2010, 07:42 PM
Any type of fat.. so yes

Garrett Smith
04-28-2010, 06:04 AM
If you are having a fat intolerance issue, taking 10g of fish oil will likely make the issue worse, not better.

Matt Powell
04-30-2010, 03:42 PM
For the last couple of days, I've been taking my Vit D with 12g of Kirkland Fish Oil. That seems to have stopped the green stool for now but I'm going to keep an eye on it.