I don't really know but DS has a contact allergy to them, he has it with all tinned products with tomato sauce, but Heinz products (like baked beans and catsup) produce a higher allergic response than the others... Don't have a clue yet why that happens but thought knowing about it may help.
My son's hospital dietician recommended Heinz baked beans (the normal ones not the weight watcher's ones I used to buy!) for him - he is on a dairy and gluten free diet. He tolerates them fine (apart from the obvious wind...) and has them now about two or three times a week now. Good luck.
PS is anyone sure the ones with sausages are also gluten free? I've not tried them as I was unsure about one ingredient. Will check with dietician next week.
Well he ate them for his tea - cold, straight out of the can ( terrible mummy alert!), whilst dh and I were chomping down a terribly unhealthy pizza in Pizza Hut .
He's sleeping soundly as I type, so I'll have to see if we get any wind pains during the night.
You'll have to let us know what your dietician says mamaoftwo, as I often have the beans and sausages for my lunch with a jacket potato, and if they were OK, I could have all 8 little sausages, and ds could have a few beans