Natural Factors: Vitamin D3 1000 IU Size:500 Softgels In the study

In the study

This small gland

dissolves instantly in hot or cold liquid

Improves overall sleep & helps with jet lag

these lozenges can be taken year-round for better hair

Natural Factors: Vitamin D3 1000 IU Size:500 Softgels In the studyEveryone needs vitamin D. But not everyone needs the same amount. Thats why we offer the benefits of vitamin D3 in strengths from 400 IU to 2500 IU. Why choose Natural Factors Vitamin D3? First, our product features vitamin D3, which is better at raising your 25(OH)D levels than vitamin D2 and lasts longer in your body. Second, because vitamin D is fat soluble and better absorbed in the presence of fat, our vitamin D3 softgels are delivered in a base