At Seeking Health, every ingredient is carefully sourced, researched, and tested. Each meets strict specifications for manufacturing standards before any ingredient is allowed for use. We only use the highest-quality ingredients. | Vitamin D Drops is free of GMOs, Gluten, Artificial Colors, Artificial Flavors, Artificial Preservatives, Milk, Egg, Fish, Shellfish, Tree Nuts, Peanuts, Wheat, Soy. | Vitamin D3 supports a healthy immune system, mood, calcium absorption and metabolism, and cardiovascular system.* | Olive oil provides a fatty base for the fat-soluble vitamin D3, so there is no need to take this product with food |