We also appreciate that Nature Made Vitamin D3 K2 Softgels provide a high dose of Vitamin D (5000 IU) and a decent amount of Vitamin K2 (100 mcg) in each softgel. This makes it easy to get the ...

800 IU (20 mcg) per day increases vitamin D blood levels 8 ng/ml (20 nmol/L). 1000 IU (25 mcg) per day increases vitamin D blood levels 10 ng/ml (25 nmol/L). 2000 IU (50 mcg) per day increases ...

Currently, many major prescription forms of vitamin D are actually vitamin D2 and not vitamin D3. Vitamin D2 is synthetically made from radiating ... is 100 IU (2.5 mcg) per day in infants with ...