This just doesn't sound right to me... But it does kinda make sense. It's at PetSmart. Do you guys think it would work in place of a UVB light? I doubt I would trust it though... But I don't know enough to really know. Have any of ya'll ever heard of this? I haven't. Hah. Anyone know if it's good or not? "Solar Drops are designed to deliver a regular controlled dose of natural dietary cholecalciferol (Vitamin D3) to your captive reptile. Solar Drops solution, are for diurnal (daytime active) species of reptiles. Advantages of Solar Drops Eliminates the need of expensive UVB lighting systems or other vitamin D3 supplements. Prevents and reverses Metabolic Bone Disease in captive Green Iguanas and other lizard, turtle and tortoise species. Uniquely palatable formulas for diurnal (daytime active) reptiles. Tested and proven at captive reptile breeding farms around the world. Ingredients: Vegetable oil, Cholecalciferol (Source of Vit D3), dI Alpha-tocopherol acetate. Size: 0.3 oz. (9mL) Made in the USA."