Systemlord
Member
The chances of me having a defect in my CYP24A1 gene are highly likely, which can cause hypersensitivity to vitamin D supplements. I'm also over-sensitive to caffeine, alcohol and stimulates in general.
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Been there, done that, RBC magnesium last time I checked (2019) was at the higher end.Get your magnesium RBC (intracellular) level checked. I would do that before diving down the calcium-parathyroid rabbit hole.
I'm unable to find parathyroid hormone testing on discount labs.