I am extremely happy with this vitamin supplement. We have created a superior product that is All-Natural and FREE of GMOs. It also has fillers, binders, preservatives, artificial flavors and colors, chemicals, and solvents using only the most recent technologies. I love the affordable 1 year supply, the small easy to swallow pill size, and most of all what it DOES NOT CONTAIN; NO FILLERS, NO BINDERS, NON-GMO INGREDIENTS. The best vitamin D supplement is free of soy, gluten, milk, eggs, wheat, peanuts, shellfish, sugar, and other common allergens. It is also the perfect vitamin D supplement.