 These manufacturers and distributors are not allowed to advertise their products in an adulterated way, and they are responsible for evaluating the safety and labeling of their product.The FDA has a “Dietary Supplement Ingredient Advisory List” that includes ingredients that sometimes appear on dietary supplements but need further evaluation further.An ingredient is added to this list when it is excluded from use in a dietary supplement, does not appear to be an approved food additive or recognized as safe, and/or subjected to the requirement for pre-market notification without having a satisfied requirement.