|benefits of vitamin d3 50 mcg||1.62||0.5||7585||85|
Sufficient: 20-30 ng/ml, or 50-75 nmol/L. Safe upper limit: 60 ng/ml, or 150 nmol/L. Toxic: Above 150 ng/mL, or 375 nmol/L.What is the maximum amount of vitamin D3?
For all forms of vitamin D, including D-3, adults shouldn’t have more than 4,000 international units, or 100 micrograms, in a day, according to the Food and Nutrition Board. This amount is over six times the recommended daily amount of 600 international units, or 15 micrograms.