New tests have shown that seven types of baby rice foods sold in UK supermarkets contain dangerous levels of arsenic.
The tests were performed for Channel 4's 'Food Unwrapped' programme and results showed that the almost a quarter broke European Union rules.
A maximum level was introduced in rice used for baby food in January 2016 so as to reduce children's exposure to the harmful toxin.
Food research expert Professor Andy Meharg told the Channel 4 programme that 'parents should restrict baby rice feeds to 30 grammes a day', which is about three tablespoons.
However, speaking to the Mail on Sunday, he said: "I would not feed young children rice at all.
"As a parent I would want to take problematic things out. I would not want to take a risk with it."
The professor, who teaches at Queen's University Belfast, said 'even small concentrations of arsenic could have a severe effect on young children's immune development, growth and IQ'.
He called for much clearer information on packaging.
Baby rice is ground to a fine consistency and usually has added vitamins – is claimed to help wean babies off breast milk and on to solid foods.
Mothers interviewed on Food Unwrapped, were shocked by the levels of arsenic, with one describing them as 'scary'. Another said: 'There should be more warnings because I wouldn't give my child that product.'
A Food Standards Agency spokesman said: "Arsenic is naturally occurring in the environment and it is not possible to totally eliminate it from the diet.
"But because it has the potential to increase the risk of illnesses, including cancer, it is important to reduce exposure to as low as reasonably achievable.
"Maximum legal levels are in place for arsenic in rice, with stricter levels for rice used in the production of foods for infants and young children.
"It is the responsibility of food manufacturers to ensure they use ingredients in compliance with the legislation. Where non-compliance is found, enforcement officers will investigate and take action as needed."
Food Unwrapped does not name the seven products with high levels of the element.