Blood test is vital to see if Vit. D levels are low and good thyroid function is crucial as well.
After 50 we don't absorb Vit. D as well and if our Magnesium levels are low then we can't process the D anyway. A fresh CBC blood test can answer most of these questions. Yearly physicals are essential after 50 at least for me.
You are right, there is an epidemic of low D levels in older folks because of this.
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