The primitive 25(OH)D status human bodies naturally attain/maintain given full body sun exposure at the latitude that skin color evolved at is associated with lowest incidence of chronic disease incidence.
See
"Disease Incidence Prevention by Serum 25(OH)D Level"
The safest option therefore is to keep 25(OH)D around 50~70ng, 25~175nmol/l.
The primitive 25(OH)D status human bodies naturally attain/maintain given full body sun exposure at the latitude that skin color evolved at is associated with lowest incidence of chronic disease incidence.
See
"Disease Incidence Prevention by Serum 25(OH)D Level"
The safest option therefore is to keep 25(OH)D around 50~70ng, 25~175nmol/l.
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Grassrootshealth do $40 postal 25(OH)D tests,
ECHutchinson 2 years ago