Get the sunshine vitamin the safe way;* Natural Factors’ Vitamin D3 5,000 IU (125 mcg) delivers a high potency of vitamin D available without the UV rays* | Supports strong bones and teeth, helps regulate the immune system and encourages healthy nerve and muscle function* | Take just 1 easy-to-swallow softgel daily; Our formula is blended with organic flaxseed oil for better absorption* | Helps you absorb more calcium and phosphorus from your food for even more bone support* | Third-party certified and independently tested for GMOs and over 800 contaminants using advanced technology such as mass spectrometry to ensure purity and potency