Nutrition basics: eating for health

The balanced plate

Healthy eating is less about individual superfoods and more about the overall balance of what you eat across a day and week. The UK Eatwell Guide divides food into groups and shows roughly how much of each should make up your diet. It suggests basing meals on starchy foods, ideally wholegrain versions, and filling a large part of your plate with a variety of fruit and vegetables — the well-known aim of at least five portions a day. Alongside these come some protein foods such as beans, pulses, fish, eggs and lean meat, and some dairy or fortified alternatives. Foods high in fat, salt and sugar sit outside the main groups and are meant to be occasional, not everyday, choices. Variety and proportion are the heart of it.

Fruit, vegetables and fibre

Fruit and vegetables are one of the best investments you can make in your health, linked to lower risk of heart disease, stroke and some cancers. Aim for at least five portions a day of different colours and types — fresh, frozen, tinned and dried all count, and a small glass of juice or a portion of beans can count once a day. Fibre, found in wholegrains, beans, pulses, fruit and vegetables, is another quiet hero: it supports healthy digestion, helps you feel full, and is linked to a lower risk of heart disease and bowel cancer. Most people in the UK eat less fibre than recommended, so choosing wholegrain bread, pasta and cereals and keeping the skins on vegetables are easy wins.

Fats, sugar and salt

Not all fats are equal. Replacing saturated fats — found in fatty meat, butter, and many cakes and biscuits — with unsaturated fats from oily fish, nuts, seeds and vegetable oils is better for your heart. The bigger problem for most people is eating too much of the foods high in saturated fat, sugar and salt overall. Excess free sugars, especially in sugary drinks, add calories without nutrition and harm teeth, while too much salt raises blood pressure and with it the risk of stroke and heart disease. Cutting back on sugary drinks, checking food labels, cooking from scratch more often, and adding less salt at the table are practical steps that add up over time.

Protein, dairy and fluids

Protein foods help build and repair the body, and it is worth including a range: beans, peas, lentils and other pulses are cheap, high in fibre and good for the planet, while fish — including one portion of oily fish a week — eggs and lean meat all fit a balanced diet. Cutting down on processed and red meat is advised for those who eat a lot of it. Dairy foods and fortified alternatives provide calcium for healthy bones; lower-fat and lower-sugar versions are generally the better everyday choice. Staying well hydrated matters too: aim for six to eight drinks a day, mostly water, lower-fat milk or unsweetened drinks, and go easy on sugary and heavily caffeinated ones.

Building habits that last

The best diet is one you can actually keep to, so aim for realistic, gradual changes rather than strict rules that collapse after a fortnight. Small swaps — wholegrain for white, water for fizzy drinks, fruit for a sugary snack — are easier to sustain than dramatic overhauls. Planning meals, cooking more at home so you control what goes in, and being mindful of portion sizes all help, as does not banning treats entirely, which tends to backfire. Healthy eating works alongside being active, not smoking and getting enough sleep to support a healthy weight and lower your risk of long-term illness. If you have a specific health condition or want tailored advice, a GP or registered dietitian can help you personalise these principles safely.