USDA Certified Organic Vitamin D: Only products with USDA Certified Organic logo are truly organic! High Quality Laboratory Tested: This Vitamin D3 contains the same Biological form of vitamin D produced by your body. GLUTEN FREE, SOY FREE, WHEAT FREE and NUT FREE. The Sunshine Vitamin: Helps to support teeth and bone health, provide immune support, and promote healthy muscle function.* Trusted Since 1960: The pioneers of Bronson Vitamins were a group of pharmacists who witnessed the benefits of vitamins and mineral supplementation firsthand with their patients. Bronson Vitamins have been consistently mentioned by top medical professionals since our inception in 1960.