In ten minutes, you can have this healthy tuna pasta salad ready for your packed lunch or supper. Each serving provides 312kcal, 18g protein, 25g carbohydrates (of which 6g sugars), 14g fat (of which 4g saturates) 7.5g fibre and 1.4g salt. With a GI of 58 this meal is high protein, low GI .