Obesity related health problems are a potentially significant cost to Fiji. The factors driving the trend towards increased obesity are analysed. The potential for reducing the rate of increase in obesity by influincing individual food choice decisions is evaluated and a policy framework is developed for considering this issue. The analysis points to some tentative policy recommendations for food policy in fiji. The role of a systems perspective on the policy problem is highlighted and specific attention is focused on the role of a nutrient based food tax in a wider nutrition-health policy system.