Rainbow Light's Vitamin D3 1,000 IU Sunny GummiesTM deliver optimal daily Vitamin D3 protection in a delicious sour lemon gummy. Vitamin D is often referred to as "the sunshine vitamin" because it can be synthesized in the body with exposure to sunlight. However, sunscreen use, environmental factors, age and diet may contribute to vitamin D deficiencies. Current scientific research reveals that higher intakes of vitamin D are associated with long-term and enhanced immune resistance. Vitamin D3 is the proven, most effective form of vitamin D and Rainbow Light Sunny GummiesTM contain 1,000 IU of this important vitamin. 100% natural and free of artificial colors, flavors, sweeteners, preservatives and additives. Allergen SafeguardÂ® guaranteed to be free of gluten, yeast, milk, eggs, soy, nuts, and fish and shellfish.