In short, while having low vitamin D levels is linked to a higher risk of heart disease, this new study shows that simply ...

Most over-the-counter vitamin D3 supplements contain dosages between 1000–5000 IU, but some are higher. “Ask for your provider’s recommendation as to what dosage, if any, is right for you ...

It's interesting that multi-vitamins sometimes have D2 instead of D3. What does that mean? Vitamin D2 is from plants, it's ergocalciferol. It comes from plants that are irradiated by sunlight ...

In fact, some patients needed more than 10,000 IU per day to reach what the researchers considered a healthy blood level of ...

High-dose oral cholecalciferol (vitamin D3) supplementation significantly reduced disease activity in patients with clinically isolated syndrome (CIS) suggestive of multiple sclerosis (MS ...