Add essential nutrients into your diet with this whole food formula that features 5,000 IU of vitamin D3, 10 billion CFU of probiotics, and FOS prebiotics from chicory root.* Vitamin D3 is critical for healthy bones, joints, skin, and teeth, but it is not easily found in food sources. Probiotics support a healthy digestive tract and FOS, a powerful prebiotic, nourishes gut bacteria to ensure that the probiotics work optimally.* ^†