Nature’s Bounty® Advanced D3 + Magnesium Citrate Immune Formula is a unique supplement for supporting immune system health.* According to National Health and Nutritional Examination Survey (NHANES) most Americans don’t get enough Magnesium and Vitamin D from the foods they eat. Just one tablet of Nature’s Bounty® Advanced D3 + Magnesium Citrate provides a potent combination of 6300 IU of Vitamin D3 and 100 mg of Magnesium as Magnesium Citrate to help optimize Vitamin D levels in the body.* Getting enough Magnesium daily assists in converting Vitamin D to its active form which helps support immune health.* Magnesium is also vital for bone health support and plays a role in the body’s muscular reactions and cellular energy metabolism.* Vitamin D is important for neuromuscular health and function bone health and exercise recovery.* Our unique two-in-one formula uses Vitamin D3 and Magnesium Citrate which offer superior absorption and bioavailability.† To help fit dietary and lifestyle needs these Magnesium Vitamin D3 tablets are non-GMO gluten-free lactose-free and contain no sodium or artificial colors flavors and sweeteners. Like all Nature’s Bounty products Advanced D3 + Magnesium Citrate Immune Formula is backed by 50 years of quality science and great ingredients. Each bottle contains 90 tablets.