The problem isn't how long after it is opened, the problem is whether
it is compatible with the other stuff in the capsule.

Generally it is stable with acids, unstable with alkaline materials.
Mag bad Se fine C ood, B complex I don't know.

Andy . . . .. . . . . . . . . . . .

> I have been capping several of my son's vitamins and minerals
> together in one cap to make it easier on him. I was thinking of
> putting his DMPS into a capsule along with the other supps, so he'd
> only have to swallow once, plus he'd be getting his supps spread
> throughout the day. I currently am splitting the DMPS into two
> doses (starting slow). How long after the cap is opened are
> chelators good for? I could make up a whole weekends worth at once
> which would be wonderful. Anyone know? BTW..his caps contain B
> complex, mag, selenium, C. Thanks for any information! K