One serving of Vector Meal Replacement contains 6 mg of choline per 1 ¼ cup (55 g) of Vector food, plus 32 mg of choline per ¾ cup (200 mL) of skim milk, for a total of 38 mg of choline.
of course, i'm consuming my cereal a little differently than that, but my estimate wasn't totally off - i had it around 2%, and it turns out it's closer to 1%.