Is it the sachets you have? Depending on if you are having red, EE or green, syn values below (taken from SW website)
Stir Fry Sauce, Black Bean, ambient, 120g sachet 6 6 6
Stir Fry Sauce, Chow Mein, ambient, 120g sachet 5 5 5
Stir Fry Sauce, Hoi Sin & Garlic, ambient, 120g sachet 8 8 8
Stir...