Nutrition is the science that establishes the relationship between a person’s diet and their levels of health. People that specialise in this are called nutritionists or dietitians. In Australia, there are no rules governing the use of the terms 'Dietitian' and 'Nutritionist'.
They may be used by Dietitians, nutrition scientists and nutrition graduates, or people with very limited nutrition qualifications. To make sure you are receiving expert nutrition advice, always enquire about the qualifications of a dietitian or nutritionist.
This is great for / symptom indicators:
Bone and teeth strength