Nutraceuticals are dietary supplements aimed to complement our regular nutritional intake, consisting in highly concentrated nutrient sources or other substances with a nutritional or physiological effect, by themselves or combined, usually commercialized in a dosed form, such as -capsules, pills, etc- which must be consumed in small doses. They can be composed of nutrients like vitamins, minerals and any other healthy ingredients with the ability of making a positive impact on the consumer’s health. However, this kind of products must always be part of a healthy and balanced diet and never as a substitution.