Pharmaceutical and veterinary preparations; dietetic substances adapted for medical use; pharmaceutical diagnostic reagents; reagents for use in treatment, prevention, controlling or monitoring of a disease or disorder; pharmaceutical preparations comprising fatty acids and their derivatives, including fatty acid esters; nutritional preparations for medical use; nutritional supplements for medical use; vitamins and mineral supplements, for medical use; vitamin and/or nutrient-enriched foodstuffs, drinks and beverages, all for medical use; nutritional supplements for animal foodstuffs, for medical use; none being for dental, oral surgical or orthodental treatment