La. R.S. 37:3091

No person shall use the titles "dietitian", "dietician", or "nutritionist" or any abbreviation or facsimile thereof unless he is licensed in accordance with the provisions of this Chapter and is engaged in the practice of human nutrition, or meets the exemptions in R.S. 37:3093. No person shall practice dietetics/nutrition or provide nutrition care services unless licensed or otherwise authorized to practice in accordance with the provisions of this Chapter. The board may cause to issue in any competent court a writ of injunction enjoining any person from violating the provisions of this Chapter. The provisions of this Section shall become effective July 1, 1988.