About this item Vitamin sunshine: Formulated to support healthy bone development and immune system health; An excellent source of 1000 IU (25 mcg) vegan-friendly vitamin D3 Plant-based nutrients: Our vitamin D is extracted from non-GMO lichen in its most bioactive and easily absorbable form Sustainably harvested: The lichen used in our formula is wild-harvested, extracted in a sustainable manner and carefully processed to ensure purity and stability Bones and teeth: Vitamin D3 is an essential nutrient supporting calcium utilization, which in turn helps form and maintain strong bones and teeth Third-party certified: Independently tested for GMOs and over 700 contaminants using advanced technology such as mass spectrometry to ensure purity and potency