Eat a rainbow to boost your fertility!

Eating a nutrient dense diet full of colour is thought to protect us against a variety of illnesses, and there is increasing evidence that it can also help in relation to fertility…so eat a rainbow to give your health and fertility a boost!

Red and pink

Berries such as strawberries and raspberries contain a good amount of anthocyanins which are thought to provide protection against some cancers, protection against cardiovascular disease and also help to slow down the ageing process. They also contain antioxidants and are rich in ellagic acid- this is thought to possess antibacterial and antiviral qualities. Red vegetables and fruit usually contain some amount of lycopene (tomatoes are an excellent source) which has protective benefits to the body. In relation to fertility, there have been some studies conducted into the beneficial effects of lycopene on male fertility. Research has been carried out to examine the effect of the antioxidants in lycopene in helping to protect developing sperm from free radical damage and possible DNA damage. In women, recent research has indicated that lycopene may be useful in reducing the abnormal activity of cells and as a result may reduce the adhesion effects of endometriosis.

Examples of red/pink foods: tomatoes, peppers, melon, loganberries, raspberries strawberries, red currants, cranberries, pomegranates….

Yellow and orange

Beta carotene gives the orange spectrum foods it’s vibrant colour and is thought to help boost immunity, keep our heart healthy, fight against dementia and certain cancers.

Carotenoids are the main antioxidants found in orange vegetables and fruits. Carotenoids are important for healthy eyes, mucous membranes and skin. Yellow and orange foods also contain Lutein, which helps to maintain healthy vision.

In relation to fertility, beta-carotene (which the body converts into vitamin A) helps to produce the female sex hormones (oestrogen and progesterone). These hormones are important for ovulation and for the regulation of the menstrual cycle. Beta-carotene is the plant based precursor to vitamin A. It helps to protect us from conditions related to oestrogen dominance, including breast cysts, heavy menstrual bleeding and ovarian cancer.

Examples of yellow/orange foods: squash, peppers, oranges, satsumas, apricots, carrots.


Green foods often contain Quercetin which can act as an anti-inflammatory. Good (green) food sources of quercetin include apples, peppers, spinach, kale, sprouts, broccoli and cabbage.

Green foods also contain Lutein, which helps to maintain healthy vision. Leafy green vegetables such as kale are a good source of carotenoids which may help to prevent heart problems and reduce the risk of lung and breast cancer.

In relation to fertility, green vegetables are an excellent source of folate and iron. Folic acid is the synthetic form of folate and is found in supplements. Folate is important as it helps to prevent neural tube defects.

Examples of green foods: Broccoli, kale, avocados, asparagus, grapes, kiwi, apples, greengages, peas, beans.

Blue and purple

Blue and purple fruit and vegetables contain high amounts of anthocyanins which help keep the urinary tract healthy and help protect our memory.

Blackberries and blueberries contain ellagic acid (thought to possess antibacterial and antiviral qualities) and catechins which are thought to help reduce the risk of cancer.

Purple grapes contain reservatrol which is a flavonoid and is thought to help protect the heart and provide some protection against certain cancers.

In relation to fertility the antioxidants in blue and purple fruit and vegetables protect against cell damage and cell aging, so help to keep those reproductive cells at their peak by eating these healthy fruit and vegetables!

Examples of blue and purple foods are: Blackberries, blueberries, grapes, blackcurrants, bilberries, beetroot.

Read more on fertility nutrition here

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