Natural Dietary Supplement. Vitamins A &D. Eye & bone health. Cod liver oil is a natural source of vitamins A and D. Vitamin A is essential for healthy skin, eyes and bones. Vitamin D helps maintain healthy bones. It regulates calcium and bone metabolism. This Top Care product is laboratory tested to guarantee its highest quality. Your total satisfaction is guaranteed. Quality guarantee. (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.) Gluten free.