Healthy eating: clear rules for everyday life

A few clear rules can make it much easier.

Anyone who asks themselves every day what they are “allowed” to eat is making life unnecessarily difficult. A clearer approach is to use an easy-to-follow framework: it shows which foods belong on your plate regularly and which are better left as occasional items in the shopping trolley.

Why healthy eating is not rocket science

The body does not require complicated diets; it needs a balanced combination of protein, carbohydrates, fats, vitamins and minerals. Research bodies have converted these nutritional requirements into straightforward guidance, most notably the food pyramid principle.

Rather than counting calories, one practical rule helps: it matters not only what we eat, but also when and how much. Everyday life is often where this goes wrong, as pre-portioned snacks, XXL restaurant servings and continual grazing distort our sense of quantity.

Anyone wanting to eat more healthily should first pay attention to portion sizes and how often they eat particular food groups – not to the scales.

Animal products: valuable, but easy to overdo

Foods of animal origin provide high-quality protein, readily absorbed iron, plenty of calcium and almost all vitamins, especially those in the B, A and D groups. For many people, meeting all nutritional requirements becomes more difficult without them; however, consuming too much can raise the risk of cardiovascular disease, gout or excess weight.

How often to eat meat, fish, eggs and dairy

• Meat: 1–3 times a week is generally enough. Choose lean options such as poultry or lean beef.
• Processed meats: Treat these as an exception. They are heavily processed and usually high in salt, saturated fat and additives.
• Fish: 1–2 portions a week. Vary oily sea fish (e.g. salmon, herring) with lean fish.
• Eggs: For healthy people, several eggs per week are usually unproblematic – they provide plenty of protein and vitamins.
• Dairy products: These can be eaten daily, preferably in less processed forms – plain yoghurt, quark and cheese rather than sweetened desserts.

Highly processed animal products, such as tinned fish in lots of oil, ready-made breaded schnitzels or heavily seasoned convenience foods, should only rarely form part of a genuinely balanced everyday diet.

Plant-based staples: grains, potatoes and pulses

Anyone who needs energy every day should not get their “base calories” from sweets or fast food, but from complex carbohydrates in grains, potatoes and pulses. They keep you full for longer and place less strain on blood sugar levels.

Sensible portions of pasta, rice and bread

Pasta, rice and other grain products can feature in almost every main meal, as long as the quantity is appropriate. The following are guide amounts per person:

Pulses such as lentils, chickpeas and beans provide not only carbohydrates, but also plant protein and fibre. They are an excellent way to cut down on meat without sacrificing fullness or flavour.

Fruit and vegetables: more than simply “vitamins”

Vegetables and fresh fruit do more than add colour to a plate: they supply water, potassium, vitamins such as A, C, E and K, along with numerous antioxidant compounds that protect cells from damage.

How often fruit and vegetables should feature each day

A realistic target is at least 5 portions of fruit and vegetables a day. More specifically:

• Vegetables: 2–3 times daily, totalling roughly 150–400 g, raw or cooked.
• Fruit: around 2 portions each day, with each portion approximately 100–150 g.

Importantly, not all fruit is automatically “light”. Some tropical varieties contain considerable amounts of sugar or fat. Avocado and coconut, for instance, provide notable quantities of calories from fat. They fit well within a healthy diet when eaten in moderation, such as part of a salad rather than as the main daily source of fat.

Dried fruit, jams, sweetened fruit spreads, candied fruit and fruit canned in syrup belong more in the confectionery category, both legally and in calorie terms. They contain concentrated sugar and should be treated like sweets: enjoyed sparingly and deliberately, not used as a replacement for fresh fruit.

Fresh fruit and vegetables are more filling and place far less pressure on calorie intake than their highly concentrated, sweetened versions.

Fats: small amounts, major impact

Fat is not the enemy; it is essential. It carries the fat-soluble vitamins A, D, E and K, while also providing essential fatty acids that the body cannot produce for itself. Quality is what matters.

Which fats should dominate everyday meals

Plant oils rich in unsaturated fatty acids, such as olive or rapeseed oil, are especially recommended. From this, a practical daily guide can be drawn:

• Around 2–4 tablespoons of plant oil per day, depending on how fatty the other foods are, such as cheese, processed meat or convenience meals.
• One small portion of nuts or seeds each day – a few grams is enough, roughly a small handful as a snack or salad topping.

Alongside fat, nuts and seeds supply protein, fibre and many phytochemicals. Used in moderation, they noticeably improve the nutrient density of the diet.

Drinks: why water remains the clear number one

The recommendation for drinks is remarkably simple: for most people, water is entirely sufficient. It hydrates the body without adding calories or sugar. Mineral content may vary according to individual requirements, for example after heavy sweating or with certain health conditions.

As a broad guide, about 0.75 to 1 litre of drinking water per day is recommended in addition to fluid obtained through food – considerably more in hot weather or during sport. Sweetened drinks, soft drinks and juices can quickly add substantially to calorie intake and encourage cravings. Anyone who does not wish to avoid them completely should treat them more like sweets.

Processed foods: how clean is the label?

Avoiding processed foods altogether is unrealistic for most households. Work, family and lack of time mean that convenience foods and snacks play a role in daily life. That does not automatically make them unhealthy; the choice is what counts.

What to check when shopping

Items that should enter the shopping trolley as rarely as possible include:

• Heavily salted or pickled products (e.g. heavily salted tinned foods, cured sausage, crisps).
• Foods packed in lots of oil or a heavy marinade.
• Fruit in syrup, sweetened tinned fruit and highly sweetened cereal bars.
• Very complex ready meals with long ingredient lists and numerous additives.

A sensible, practical option is a “cleaner” compromise: select products containing only a few clearly recognisable ingredients and, ideally, markedly less sugar and fewer additives than typical standard products. If the label no longer makes clear what you are eating, it is worth being sceptical.

The shorter the ingredient list and the lower the sugar and salt content, the better a convenience product fits into a healthy long-term lifestyle.

Food hygiene: safety starts before cooking

Eating healthily also means choosing food that is free from harmful germs, medicine residues or contaminants. Origin, inspection and proper storage all play a central part.

Where to shop – and where to be cautious

What surprises many people is that conventional supermarkets and large chains often perform better for food safety than improvised “direct sources” without clear oversight. This is due to strict legal requirements and regular checks covering production, transport and storage.

Cases of fraud repeatedly arise with fruit and vegetables, including products sold as “particularly natural” that have not in fact been handled or labelled correctly. There are risks with meat and eggs too: animals may be ill or may have received a great deal of medication during rearing. Clean slaughter, an unbroken cold chain and professional storage also determine safety.

From farm or field, through transport and on to the chilled display, temperatures must be correct, the cold chain must remain intact and products must be protected from contamination. When shopping privately, look for continuous refrigeration, clean displays and traceable origin.

Practical everyday eating: what healthy days really look like

A healthy day of eating does not have to be perfect. The pattern over several weeks is what matters. Here is an example of a practical daily menu:

• Breakfast: Porridge oats with plain yoghurt, some fruit and a small handful of nuts, with water or unsweetened tea.
• Lunch: Wholewheat pasta (about 80 g uncooked) with a vegetable sauce, a little olive oil and a small portion of cheese or pulses.
• Snack: A piece of fruit or vegetable sticks with hummus.
• Evening meal: A salad of mixed vegetables with a portion of fish or pulses, some bread and 1–2 tablespoons of oil in the dressing.

Sweets or a slice of cake can certainly have a place in this pattern, provided they do not dominate every meal and are instead a conscious addition.

Further insights: learning portion awareness and label reading

Many people lose their sense of portion sizes in everyday life. One easy starting point is to weigh meals for a few days and remember what a realistic portion looks like on your own plate. This creates a mental reference that will later help without scales.

When reading labels, it is worth checking the nutrition table per 100 g. Very high sugar or salt levels and long lists of additives suggest a treat rather than a staple food. By gradually switching to “cleaner” alternatives, you can slowly adjust your taste to less sweetness and salt – without radical bans.