1000 IU/day of vitamin D is easily available (one non-huge pill) and safe. Yes, it's possible to overdose on vitamin D, but you have to really work at it and/or be unlucky. (The only case I can think of offhand is someone who was aiming for high doses and got a supply of pills that contained a thousand times as much as it said on the label—and then, when he got sick, assumed that this was because he didn't have enough vitamin D, and increased the dosage.
Get plain vitamin D, not D plus calcium, unless you (or in this case your husband) are dealing with specific, known calcium deficiency. It turns out (population-level epidemiology keeps turning up surprises) that supplementing with calcium actually increases mortality in the general population. (This is relatively recent news; I threw away part of a bottle of Citracal and bought plain vitamin D when I heard about it.)
Disclaimer: I am neither a doctor nor a biologist; I have a BA in history and read a lot.
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timeasmymeasure
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Date: 2013-06-21 05:23 am (UTC)Get plain vitamin D, not D plus calcium, unless you (or in this case your husband) are dealing with specific, known calcium deficiency. It turns out (population-level epidemiology keeps turning up surprises) that supplementing with calcium actually increases mortality in the general population. (This is relatively recent news; I threw away part of a bottle of Citracal and bought plain vitamin D when I heard about it.)
Disclaimer: I am neither a doctor nor a biologist; I have a BA in history and read a lot.