400 IU (10 mcg) per day increases vitamin D blood levels 4 ng/ml (10 nmol/L). 500 IU (12.5 mcg) per day increases vitamin D blood levels 5 ng/ml (12.5 nmol/L). 800 IU (20 mcg) per day increases ...
Vitamin D3 (“cholecalciferol”) is better at keeping your blood ... “Over 50” multivitamins often have 500 IU’s in one tablet. Women’s multivitamins often have 800 IU’s. There Aren’t Many High Vitamin ...
If you’ve discovered you have a deficiency in vitamin D, you’re not alone. It’s particularly common among: people who get limited sun exposure people with dark skin people over 65 years old ...
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