Rick Miller, a clinical dietician and spokesperson for the British Dietetic Association, said fad diets could cause major issues.
The British Dietetic Association says that fortification would be a "simple way" to increase folic acid intake across the population.
Rick Miller, a spokesman for the British Dietetic Association, warned that taking too much iron could result in major organ failure.
Ms Wynne, from the British Dietetic Association, said it is important to stop children dictating to parents what they should be eating.
"The state of being starved is a hugely stressful condition, and people respond in different ways, " said Rick Miller, spokesman for the British Dietetic Association.
Ursula Arens from the British Dietetic Association told BBC Radio 4's Today programme that putting fresh meat through a mincer did not make it processed meat.
Eileen Steinbock, from the British Dietetic Association's Food Counts group, which has looked at improving nutrition in hospitals, says what matters most is communication between caterers, dieticians and staff on the wards.
John Briffa, a doctor specialising in nutrition and author of Escape the Diet Trap, is one of those who sets himself against the likes of the British Dietetic Association and British Nutrition Foundation.
Dale Rees, a spokesman for the British Dietetic Association, said the initiative was a positive step because the recipes would help those who wanted to cook but did not know the ingredients involved, the steps needed to prepare them or how to cook adhering to a budget.
British Dietetic Association spokeswoman Melissa Little said there were ways to make the toast sandwich much better for not that much more money.
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