Dr Robert Berger Talks about vitamins & minerals and how to find qualified professionals to help you. Beware of Unqualified Individuals Because the titles "nutritionist" and "nutrition consultant" are unregulated in most states, they have been adopted by many individuals who lack recognized credentials and are unqualified. In addition, a small percentage of licensed practitioners are engaged in unscientific nutrition practices. The best way to avoid bad nutrition advice is to identify and avoid those who give it. Less