how much does a dietitian cost
1 According to wlslifestyles.com, a registered dietician plan will cost you around $500-$1,000. 2  This includes a medically supervised plan, menu planning and nutritional counseling. 3  Bloomberg states that the average cost of a nutritionist is around $800 for three months. For set plans and not a consultation, this can range anywhere from $500 to as much as $2,000, depending on what you want to have done. 2  According to wlslifestyles.com, a registered dietician plan will cost you around $500-$1,000.