Biographical Info Tamzyn Murphy is a registered dietitian with a Master's Degree in Physiology (Dist.) in which she investigated Low Carbohydrate High Fat Diets and Type 2 Diabetes. Tamzyn' special interest and experience in low carbohydrate high fat (LCHF) diets makes her a key member of the Nutrition Network team. Tamzyn is also co-founder of Real Food Dietitians, a private dietetics practice focusing on LCHF diets, where she consults with patients and runs Low Carbohydrate Challenges. Tamzyn has work experience in the community, supplement industry, nutrition writing and editing for the media, as well as in low carbohydrate research.