From your twenties to your fifties, FEMAIL took a look at what to eat at every age.
If you've been eating the same way your entire life, it might be time to re-evaluate your personal menu.
TWENTIES
According to accredited Australian dietitian, Tyson Tripcony, the single best thing you can do in your twenties is ensure you're meeting your 'two and five'.
That is to say you are consuming two servings of fruit and five servings of vegetables each day.
'Dietitians always seem to harp over vegetable intake, but that is because we know how much of a different it can make to your short and long term health,' Mr Tripcony told Body & Soul.
The dietitian added that iron deficiency is common in this age bracket, so upping your iron-rich food intake will assist in the prevention of this.
Opt for red meat or legumes, lentils, soybeans, tofu, tempeh and fortified wholegrian products if you're not a fan of red meat.
Then, make sure you eat them at least three times a week for optimum health.
THIRTIES
The thirties have always been considered to be very important for women - primarily, because they are often the child-bearing age.
Mr Tripcony recommends 'including more wholegrains in the diet in the form of fortified cereals with added folate, iron and calcium or oats with nuts and seeds' if you're a woman in your thirties.
The dietitian added that if you're a man, you need to moderate your food intake and portion sizes in relation to the amount of activity you're doing - often this is less than it was in your twenties - and then tailor your diet accordingly:
'Focusing on increasing vegetable intake, and decreasing meat and carbohydrate portions is one of the easiest ways to reduce calorie intake and prevent weight gain,' Mr Tripcony said.
FORTIES AND FIFTIES
When you approach middle age, your nutrition comes into sharp focus - in fact, it's one of the most important ways to combat that middle-aged spread.
'Antioxidant rich foods should be a focus,' Ms Tripcony told the publication.
He added that you should opt for as many different-coloured foods from each food group each day in order to make sure you get the relevant vitamins and nutrients.
The dietitian also believes a Mediterranean diet can be beneficial for men and women in their forties and fifties, insofar as it can prevent or reduce the onset of metabolic disease.
Opt for extra Virgin olive oil, plant-based foods, legumes, fish and fruit, and think about your portion sizes, as you may not need to eat quite as much as you did in your twenties.
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