Bananas remain the top-selling fruit in Britain, followed by strawberries, grapes, and apples, according to data from Tesco, the UK’s largest supermarket chain. Despite the variety of fruits available and their popularity, only about one in three adults in the UK meet the recommended daily intake of five portions of fruit and vegetables.

An analysis of the ten best-selling fresh fruits in Britain highlights their nutritional profiles, including vitamin and mineral content, antioxidant levels, fiber, effects on gut health, and dental implications.

Strawberries, the second most popular fruit, lead in overall health benefits. They contain more vitamin C per 100 grams than oranges, with seven or eight strawberries providing the full recommended daily allowance (RDA). Vitamin C supports immune function and collagen formation, important for joint and skin health. Strawberries also provide fiber, folate, manganese, and ellagic acid, a strong antioxidant associated with anti-inflammatory effects and potential cancer prevention. Their natural sweetness makes them a favored choice, particularly among children.

Raspberries, rich in fiber mostly due to their seeds, offer about 5-6 grams of fiber per 80-gram serving—exceeding the fiber in some breakfast cereals. They contain ellagitannins, polyphenols that promote healthy gut bacteria and are metabolized into urolithins, compounds with antioxidant and anti-inflammatory properties. Raspberries also supply vitamin C, manganese, and magnesium, the latter of which may aid sleep.

Blueberries are noted for their high antioxidant content, particularly anthocyanins linked to a lower risk of dementia, heart disease, and certain cancers. They also provide manganese, vitamin C, vitamin K, and fiber, though less fiber compared to raspberries. Cooking blueberries may reduce vitamin C content, but many antioxidants remain intact, making them a nutritious addition to meals like porridge.

Apples rank fourth in sales and have benefits for oral health, as biting into an apple stimulates saliva production, which helps protect teeth by reducing plaque. Apples also contain quercetin and gut-friendly pectin concentrated in the peel. However, individuals with irritable bowel syndrome (IBS) or fructose sensitivity may experience digestive discomfort from apples.

Bananas are valued for their nutrient density and convenience. Less ripe bananas offer resistant starch that benefits gut health. They provide potassium to support blood pressure and muscle function, as well as vitamins B1 (thiamin) and B6, important for nervous system and energy metabolism. However, bananas’ starchy nature may contribute to dental decay if proper oral hygiene is not observed.

Pears are a good source of both soluble and insoluble fiber, with a medium pear providing 5-6 grams, about 20% of the daily recommended intake. Like apples, pears can cause bloating in people sensitive to fructose or sorbitol. They also supply potassium and vitamin C.

Mandarins, encompassing satsumas, clementines, and similar varieties, deliver 50-75% of the RDA for vitamin C, along with folate and potassium. They are hydrating and contain fiber mainly in the pith. Due to citrus acidity, it is recommended to wait an hour before brushing teeth after consumption to protect enamel.

Oranges, often associated with vitamin C, contain around 70 mg per fruit and provide fiber, folate, potassium, and the antioxidant hesperidin, which supports heart health. However, many consumers prefer juice over whole oranges. Juicing removes fiber, causing sugar to enter the bloodstream more rapidly and contributing to blood sugar spikes. Consequently, fruit juice is counted as only one portion of the five-a-day, and daily intake is recommended to be limited to 150 ml by health authorities.

Grapes vary in antioxidant content by color, with red and black varieties containing anthocyanins and resveratrol, both linked to cognitive and cardiovascular benefits. Grapes also provide hydration, potassium, and some fiber, though their sweetness makes them easy to overconsume; a sensible portion is about 80 grams.

Lemons and limes, grouped together in sales figures, have similar nutritional profiles, offering vitamin C, fiber, and antioxidants. However, since they are rarely eaten whole, their nutritional contribution is often limited to juice or zest. Adding lemon or lime juice to iron-rich foods can enhance iron absorption.

Despite the wide range of nutrient-dense fruits available in the UK market, achieving recommended daily fruit intake remains a challenge, underscoring the need for continued public health focus on diet quality.