The firm which makes Aptamil baby formula says it’s taking complaints from parents “very seriously” after some reported their children becoming ill.

Danone says it’s changed the recipe in three products, and they need to be prepared in a different way.

Several mums have posted messages online, saying their youngsters don’t like the new formula.

A statement from Danone reads:

“We are very concerned to hear reports of babies being unsettled or unwell and we will investigate every complaint.

“We have been listening to parents’ feedback and  we would like to reassure parents that the quality and safety of our products is our number one priority.

“We have recently introduced new Aptamil formulations and we recognise that some families have not found the transition to the new formula easy.

“We have undertaken extensive quality and safety checks, including clinical trials, product testing and product experience tests on these products. The results have shown that babies take to this formula well and that it is safe.

“We are very sorry about the difficulties that some parents have had.  Our experience tells us that when changing what you feed your baby, they may need time to adapt and have some temporary changes to their digestive pattern.

“We have up-dated the mixing instructions on our packs as this new formula requires parents to mix it up slightly differently, compared to the previous formulation – specifically, shaking vigorously for 10 seconds to dissolve the powder.

“We are taking all feedback very seriously and we invite any parent with concerns to please contact us for free on 0800 996 1000, pressing option 0 followed by option 1. We are available on the phone 24/7 and are ready to help in any way we can. We always recommend that any parent with concerns about their baby’s health contact a healthcare professional.”