You are still a bit low... with the target of 50 being the lowest normal now.
I'd bump up to 5,000 IU D3 daily and get retested in 3 months.
If you want to use up the 2,000 you already have take 6,000 one day and 4,000 the next and alternate. That might put you closer to 50. Either that or more sun exposure.
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All truths are easy to understand once they are discovered; the point is to discover them.-- Galileo Galilei
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Weezie looking at petunias 8.25.2017
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