Global regulatory and scientific experts recently convened at a Food Supplement Training Forum in Bulgaria to discuss international regulatory developments and trends on food supplements. Topics included safety and quality surrounding food supplements; the safety assessment of bioactive ingredients; the role, safety and benefits of botanicals in food supplements; the role of supplementation for specific population groups; and borderline issues for foods, cosmetics and traditional herbal medicines. The event was organized by the International Alliance of Dietary/Food Supplement Associations (IADSA) and the Faculty of Public Health/Medical University of Sofia.