resounding yes. You havent said what you currently weigh, but if we assume that you are still three and a half stones overweight, youre still carrying a lot of extra mass. Its as if a lighter runner was out for a run carrying a rucksack containing 20
training. Take them in moderation. With gels, you dont need a rucksack full of them at the start line unless you plan on selling them for a profit at mile 20 (not a bad idea). And as with all things, try them on your long runs before you use them