Supermarkets are failing to warn about potential lethal allergens in bakery products, investigators have found.
Sainsbury's, Tesco and Asda staff gave incorrect and confusing information about goods containing nuts, milk, sesame seeds and other common allergens.
BBC1's Watchdog Live Program When they are posed as customers with food allergies.
In one Asda store, staff said it was bakery products did not contain sesame.
Sainsbury's, Tesco and Asda staff gave incorrect and confusing information about goods containing nuts, milk, sesame seeds and other common allergens
Natasha (pictured) died after eating an artichoke, olive and tapenade baguette from a Pret A Manger at Heathrow Terminal 5
Natasha Ednan-Laperouse, 15, who died of allergic reaction to sesame seeds in the dough of a Pret A Manger baguette, which had no warning on its wrappers.
In September, a coroner criticized Pret's labeling, warning: 'Future deaths could occur.'
Watchdog Live host Steph McGovern said yesterday: 'Given what's the cause for someone to consume something they are allergic to. We are talking about life or death. 'In our investigation, three Asda stores visited by the Watchdog Live team did not give correct information about allergens.
Although they did not identify any major allergens contained in the recipe.
Natasha Ednan-Laperouse parents were shown the footage by the BBC
BBC1's Watchdog Live Program When they are posed as customers with food allergies
Watchdog Live host Steph McGovern (pictured) said yesterday that you would think about printing labels which have the allergy information on
A senior staff member at a Tesco store (pictured stock image) could not find any information for an unpackaged panini containing milk when a journalist poses as someone with a milk allergy
Footage shows how a Sainsbury's worker reassured undercover reporter that raisin whirls, which contain almonds, 'have not got nuts in'.
When asked by the reporter a second time, the worker said, "I know it has not got anything in it, but I can not see you in case you're a bit unsure."
The program thus discovered that Sainsbury's product guides, which are meant to provide safe, consistent information for staff and customers, contained conflicting information about the presence of almonds in the same raisin whirls in two neighboring stores.
A senior staff member at a Tesco store could not find any information for an unpackaged panini containing milk when a journalist posed as someone with a milk allergy. The program secretly filmed staff at 24 supermarket branches, five of which gave an alarming advice about allergens.
It focused on bakeries at Tesco, Sainsbury's, Asda and Morrisons. It found no cause for concern at branches of Morrisons.
Sainsbury's (pictured stock image) Any of the 14 Major Allergens on Packaging or Shelf labels on any in-store bakery products
Saysbury's did not list any of the 14 major allergens on packaging or shelf labels on any in-store bakery products, but did not ask for a member of staff.
Asda's in-store bakery packaging and shelf labels did not list specific allergen ingredients, but carried general advice that may contain allergens.
Tesco major allergens on most in-store bakery products, but not loose bread rolls, paninis and pastries in some stores.
Sainsbury's said: 'Customer safety is our priority. We are updating labels to include more specific allergen information. '
Tesco said: 'We exceed legal requirements by providing allergen information on all products packed in store by our bakers. For loose bakery items, we are asking customers to speak to colleagues. '
Asda said, 'Our bakeries feature clear signage on the potential for allergens and our bakery products are labeled to warn of the potential presence of nuts, seeds and other allergens.'
The full report can be seen on Watchdog Live tonight.