IMMUNE HEALTH — Vitamin D may assist the immune system by helping to regulate T and B-lymphocytes(3)STRONG BONES & TEETH— Vitamin D3 helps your body absorb calcium so you can maintain healthy bones and teeth(3)SUNSHINE VITAMIN ALL YEAR LONG — it’s hard for your body to produce and absorb Vitamin D, especially due to limited sun/UV exposure. This vitamin D3 supplement delivers a body-ready, easily absorbed form of vitamin DNERVE & MUSCLE FUNCTION — supports optimal nerve and muscle health so you can maintain your active lifestyle(3)CLEAN(1) HEALTH SUPPLEMENT— Non-GMO(2) and free of artificial flavors; gluten-free, wheat-free, dairy-free, lactose-freeTHIRD PARTY TESTED — Sundown products are always third-party tested for safety, quality and purity. We are a proudly American company with millions of happy customers since 1977400 DAY SUPPLY — save money and time with this value pack; 400 liquid softgels in one bottle!