Vitamin D is called the “Sunshine Vitamin” because our bodies produce it in response to sunlight on the skin. Servings of our Vitamin D gummies are packed with 50mcg (2000 IU) of Vitamin D3 -- the same version of Vitamin D that our bodies naturally produce in sunlight -- so you can get the support you need all year round in one easy, delicious supplement. Smoky Mountain Naturals, LLC Vitamin D is essential for building and supporting strong bones. It also plays a role in many other important functions, including support of the operation of your immune system.* Vitamin D-3 is also essential for neurodevelopment and brain health.* It works by supporting genes that release neurotransmitters like dopamine and serotonin.* Plus, our gummy vitamins are pectin-based and made without the use of artificial flavors or colors! By taking a Vitamin D gummy for adults, you can easily get the bone, mood, and immunity support you need every day. Each 2-gummy serving contains an ideal dose of 50mcg (2000 IU) per serving, so you can feel confident that you're getting the benefit of this crucial vitamin with every serving.