1000 IU (25 mcg) per day increases vitamin D blood levels 10 ng/ml (25 nmol/L). 2000 IU (50 mcg) per day increases vitamin D blood levels 20 ng/ml (50 nmol/L). If the vitamin D blood test was 30 ...

There are lots of high quality vitamin brands available, including Thorne, Nature Made, and Pure Encapsulations. Some brands also offer supplements tailored to certain preferences. For example ...

There are two types of vitamin D supplements available for over ... D are actually vitamin D2 and not vitamin D3. Vitamin D2 is synthetically made from radiating a compound (ergosterol) from ...

Vitamin D is widely known for its role in supporting immunity and bone health. New research suggests that supplementing with ...

Taylor Leamey writes about all things wellness, specializing in mental health, sleep and nutrition coverage. She has invested hundreds of hours into studying and researching sleep and holds a ...