It’s long been recommended that women take folic acid supplements during early stages of pregnancy, to reduce the risk of certain developmental problems for the baby.

Now, the government has announced plans to fortify non-wholewheat flour with folic acid, meaning it will be in many breads, among other things. They say this will help prevent around 200 cases of neural tube defects (potentially life-threatening defects affecting the spinal cord, spine or brain) in newborns each year – around a fifth of the UK total.


Similar schemes have already been effective in other countries and some UK products are already fortified with folic acid – like certain breakfast cereals. Plus, lots of the flour we consume is already fortified with calcium, iron, niacin and thiamine.

Not entirely sure what folic acid is and why it’s so important? We talked to a GP and leading dietitian.

What is folic acid?

“Folic acid is the synthetic version of a B vitamin [B9] that’s needed to form red blood cells. It occurs naturally in food in a form called folate,” says Dr Harriet Bradley, medical director at online GP service, Livi ( The plans to fortify flour are focused on infant development – because this is especially crucial – however, B vitamins are important for everybody.

“Folate is essential for the production of DNA and RNA, the division of cells and the metabolism of amino acids which come from proteins,” says leading dietitian Sophie Medlin, founder City Dietitans ( “Any tissues, organs or processes that rely on our body’s ability to generate new cells, like our producing and maintaining healthy blood, the lining of our mouth and gut, our immune system and when we’re growing a baby, use up a lot of folate and require folate to work effectively.”

Where do we normally get folic acid from and why might we need more?

Folic acid is important for health
Folate or vitamin B9 is important for everyone’s health (Alamy/PA)

“Many foods are rich in folate, particularly broccoli and other green vegetables like cabbage, kale and spinach. However, folic acid is a water-soluble vitamin, which means it is needed in the diet daily and cannot be stored in the body,” says Bradley. “It is also easily lost in cooking, especially if food is boiled or overcooked. This is one of the reasons that some foods are already fortified with folic acid, along with other vitamins.”

Other good sources? Bradley also lists beans and legumes; yeast and beef extracts; oranges and orange juice; wheat bran and other whole grain foods, plus poultry, pork, shellfish and liver.

What happens if you are not getting enough folic acid?

Medlin says: “Common symptoms of folate deficiency are aches and pains, muscle weakness, shortness of breath and gut problems.”

Bradley explains “a deficiency can make it harder for red blood cells to carry oxygen, leading to a condition known as large cell anaemia. Symptoms of deficiency usually develop slowly and worsen if left untreated,” she adds. “These can include weakness, pins and needles, mouth ulcers, diarrhoea, loss of appetite and weight loss, and it can also cause heart palpitations and headaches.”

Why is folic acid to important for growing babies?

“When women are pregnant, any nutritional deficiencies they are experiencing will have an impact on their growing baby. Folate deficiency is talked about most commonly as it can have devastating consequences,” says Medlin. “Women need a lot of extra folic acid during pregnancy because the growing baby is using it up as their cells divide and the baby grows.”


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Bradley explains: “Folic acid helps to prevent birth defects known as neural tube defects, including spina bifida. When you are pregnant, it’s difficult to get enough folate recommended for a healthy pregnancy from food alone, which is why it’s important to take a folic acid supplement – you should take a 400 micrograms tablet every day when you begin trying for a baby, and until you are 12 weeks pregnant. If you are at an increased risk of your pregnancy being affected by neural tube defects, consult your doctor, who will likely advise you to take a higher dose of folic acid.”

Medlin, who welcomes the move to fortify flour with folic acid, adds: “Many women don’t know they’re pregnant when the neural tube closes at four weeks of gestation, so they won’t be supplementing or worrying about their diet.”

She acknowledges not everyone eats many flour-based foods though: “Unfortunately, due to the demonisation of carbs and therefore foods containing flour by wellness influencers, there will still be many women who are avoiding flour and therefore won’t benefit from the fortification.”

So, it’s a good idea to be aware of why a balanced diet is important, and to speak to your GP if you are concerned about any possible symptoms or nutritional deficiencies, as well as any concerns around pregnancy nutrition.


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Last update on 2021-10-11 / Affiliate links / Images from Amazon Product Advertising API

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