Brenda Khan
The teenage years are a time of significant physical and emotional changes, and a healthy diet is crucial to supporting growth and development. Teenagers have different nutritional needs than adults, and it is important to foster a positive relationship with food. A healthy diet for teens involves consuming varied, balanced, and nutrient-dense foods from all food groups, including fruits, vegetables, grains, protein foods, and dairy or fortified soy alternatives. Adequate hydration and physical activity are also essential components of a healthy lifestyle for teens.
| Characteristics | Values |
|---|---|
| Nutrients | Calcium, iron, zinc, vitamin D, protein, fats, carbohydrates |
| Food groups | Fruits, vegetables, grains, protein foods, dairy and fortified soy alternatives |
| Water | 8–10 cups of water per day |
| Sleep | 8–10 hours of sleep per night |
| Physical activity | 1 hour or more of exercise per day |
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What You'll Learn
Nutrient requirements
Protein is essential for muscle and organ development, and a source of protein should be added to every meal and snack. Good sources of protein include lean meat, poultry, fish, eggs, beans, peas, soy, nuts, and seeds.
Calcium is another crucial nutrient for teenagers, especially for bone health. Dairy products such as milk, yoghurt, and cheese are rich in calcium, but calcium can also be found in fortified plant-based alternatives like soy beverages, tofu, and some cereals and juices.
Iron is also important for teenagers, especially for girls who have started their periods. Iron can be found in red meats, fish, poultry, beans, peas, lentils, dark green vegetables, nuts, and seeds.
In addition to these specific nutrients, it is important for teenagers to consume a varied and balanced diet that includes fruits and vegetables, whole grains, and healthy fats. The World Health Organization (WHO) recommends consuming a balance of macronutrients, including proteins, carbohydrates, and fats. The United States Department of Agriculture suggests that, for total calories per day, teens should consume roughly 45–65% carbohydrates, 25–35% fats, and 10–30% protein.
It is also important to limit the consumption of sugary and fatty foods, as well as sugary drinks, as these tend to be high in calories and low in nutrients.
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Macronutrients and micronutrients
Macronutrients are the building blocks of a diet and are consumed in large amounts. They include proteins, carbohydrates, and fats. The United States Department of Agriculture (USDA) recommends that, for total calories per day, teens should try to consume roughly 45–65% carbohydrates, 25–35% fats, and 10–30% protein.
Protein sources include meat, poultry, seafood, eggs, beans, peas, soy, nuts, and seeds. Carbohydrate sources include whole-grain bread, brown rice, fruits and vegetables, and whole-grain pasta. Fat sources include avocados, olives, nuts, seeds, eggs, fatty fish, and yogurt.
Lipids are a consistent source of energy and allow the absorption of fat-soluble vitamins. However, excessive intake during childhood increases the risk of chronic degenerative diseases in adulthood. From preschool to adolescence, the recommended lipid requirement for the population is in the range of 20–35%E.
Micronutrients, on the other hand, are consumed in small doses. Vitamins and minerals make up the majority of micronutrients. A diet rich in fruits, vegetables, lean proteins, grains, and dairy usually provides sufficient micronutrients.
Teens are more likely to be deficient in several micronutrients, including iron, zinc, calcium, and vitamin D. During adolescence, the demand for micronutrients increases, especially calcium, iron, zinc, and folate, due to the rapid bone growth that occurs during this time.
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Weight and body image
Adolescence is a critical period of growth and development, and it is crucial to provide the body with optimal nutrition. Teenagers require a steady supply of nutrients to feel their best and support their academic and sports performance. A healthy diet, regular exercise, and a positive relationship with food are key components of a healthy lifestyle.
During the teenage years, the body needs energy, vitamins, and minerals to grow and function properly. It is important to focus on consuming a variety of nutrient-dense foods and staying active, rather than being restrictive with food choices. A balanced diet should include whole grains, fruits, vegetables, lean proteins, complex carbohydrates, and healthy fats. Calcium-rich foods such as low-fat dairy products, certain vegetables, and fortified plant-based beverages are essential for building strong bones and teeth. Iron, especially for teenage girls as they start menstruating, is crucial and can be found in animal sources like meat and fish, as well as plant sources like wholegrain cereals, pulses, and dark green leafy vegetables. Vitamin D, which is also important for bone health and proper growth, can be obtained through sunlight exposure and certain fortified foods.
It is recommended that teenagers eat three meals a day, accompanied by healthy snacks, and drink plenty of water. They should limit their consumption of sugary drinks, processed foods, and excessive sodium. Portion control is also important, as it helps limit calorie intake and increase nutrient density. Encouraging teenagers to take an interest in health, cooking, and nutrition can help them develop a healthier relationship with food and guide them toward making better choices.
Weight management during adolescence can be challenging due to various factors, including hormonal changes, growth spurts, and social pressures. It is important to remember that weight loss methods can be harmful if not supervised by a healthcare professional. Instead of focusing on weight, it is more beneficial to prioritize healthy eating habits and regular physical activity. Teenagers should aim for at least an hour of moderate to vigorous physical activity every day to maintain good health and fitness.
Developing a positive body image during adolescence is crucial. It is important to shift the focus from body weight and shape to the joy of eating well and adopting a healthy lifestyle. Encouraging a healthy relationship with food and providing support can help teenagers navigate the challenges of this transformative period and set them up for long-term health and well-being.
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Healthy habits
Healthy eating is important at every age, but especially during adolescence when the body is rapidly growing and undergoing changes. Encouraging a nutritious and healthy lifestyle during the teenage years will likely reinforce positive behaviours that may continue into adulthood. Here are some tips to develop healthy eating habits:
Eat a variety of nutrient-dense foods
A healthy diet typically involves consuming varied, balanced, and nutrient-dense foods. Include foods from all food groups in your diet, such as fruits, vegetables, grains, protein foods, and dairy or fortified soy alternatives. Eating a variety of healthy foods can have many benefits, including more energy, stronger bones, and healthier skin.
Get the right amount of calories and nutrients
Teenagers are in a stage of rapid growth and development, so it is essential to ensure they are getting enough calories and nutrients. How much a teen should eat depends on their individual needs. The United States Department of Agriculture recommends that for total calories per day, teens should try to consume roughly 45–65% carbohydrates, 25–35% fats, and 10–30% protein.
Choose nutritious snacks
Opt for healthy snacks like fruits, vegetables, whole wheat crackers, or unsalted nuts. These foods provide vitamins, minerals, and fibre and are a better choice than sugary or fatty snacks like crisps, sweets, and cakes.
Stay hydrated
Water is a healthy and refreshing drink choice. Keep a reusable water bottle with you and skip sugary drinks like sodas, fruit drinks, and energy drinks.
Get active
In addition to a healthy diet, regular physical activity is important for maintaining a healthy weight and overall well-being. The Physical Activity Guidelines for Americans recommend that teens get at least 60 minutes of moderate-to-vigorous activity on most days of the week. This can include activities like walking, biking, swimming, or team sports.
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Meal planning and preparation
Understanding Nutritional Needs
Firstly, it's important to understand the unique nutritional needs of teenagers. This age group experiences rapid physical and emotional growth, and adequate nutrition is crucial to support their development. Teenagers require an increased intake of calories and key nutrients such as protein, calcium, and iron.
Creating a Balanced Meal Plan
When creating a meal plan for teenagers, aim for a balanced and varied approach. Include a mix of fruits and vegetables, whole grains, lean protein sources, and low-fat or fat-free dairy options. Here are some specific guidelines:
- Fruits and Vegetables: Aim for 2 cups of fruit and 2 ½ cups of vegetables daily. Fresh produce is an excellent source of vitamins, minerals, and fiber.
- Calcium: Ensure your teenager gets 1,300 milligrams of calcium daily. This can be achieved through 3 1-cup servings of low-fat or fat-free dairy products like yogurt or milk.
- Protein: Include 5½ ounces of protein-rich foods every day. Lean meat, poultry, fish, eggs, beans, and nuts are excellent sources.
- Whole Grains: Provide 6 ounces of whole grains daily. Examples include whole grain bread, brown rice, bulgur, or whole grain cereal.
- Healthy Fats: Choose unsaturated fats over saturated fats. Healthy fat sources include fatty fish like salmon, nuts, seeds, and oils like olive or canola oil.
Meal Preparation Tips
Preparing meals in advance can help ensure your teenager has access to nutritious options. Here are some ideas to make meal preparation easier:
- Involve your teenager in the kitchen: Encourage them to learn simple recipes, invite friends over to cook together, and make it a fun experience.
- Stock up on healthy snacks: Keep a fruit bowl at home, and pack healthy snacks like apples, baby carrots, or unsalted nuts in your teenager's backpack for when they're on the go.
- Stay hydrated: Encourage your teenager to carry a reusable water bottle to school and limit sugary drinks.
- Be mindful of portion sizes: While it's important to meet calorie and nutrient requirements, watch out for overeating. Use recommended serving sizes as a guide.
Encouraging a Positive Relationship with Food
It's important to foster a healthy relationship with food. Encourage your teenager to view food as a source of nourishment and enjoyment, rather than focusing solely on body image or restrictive diets. Allow them to indulge in their favorite foods occasionally and emphasize the importance of moderation.
Remember, it's always a good idea to consult with a healthcare professional or a registered dietitian if you have specific concerns or questions about your teenager's diet.
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Frequently asked questions
A healthy diet during adolescence can reinforce positive behaviors that may continue into adulthood. It can also help prevent health complications like stunted growth, delayed puberty, and menstrual irregularities. Additionally, a nutritious diet can positively impact mood, energy levels, and academic performance.
It is important to develop a positive relationship with food and focus on enjoying healthy meals and snacks. Include a variety of nutrient-dense foods from all food groups, such as fruits and vegetables, whole grains, lean protein sources, and low-fat dairy or fortified plant-based alternatives. Limit sugary and fatty snacks and drinks, and choose water as your primary beverage.
The Physical Activity Guidelines for Americans recommend that teenagers engage in at least 60 minutes of moderate-to-vigorous physical activity on most days of the week. This can include activities like swimming, running, or team sports. It is also beneficial to incorporate muscle-strengthening and bone-strengthening exercises into their routine at least three days a week.
Healthy snacks are important to keep energy levels stable throughout the day. Good options include fruits, raw vegetables with hummus, whole wheat crackers, unsalted nuts, and low-fat dairy products like yogurt. These snacks provide essential nutrients and vitamins and can help curb cravings for less nutritious options.
Encourage your teenager to be involved in meal planning, grocery shopping, and cooking to develop their understanding of nutrition. Help them understand the impact of their food choices on their overall health and well-being. Additionally, model healthy eating habits yourself and provide a variety of nutritious options at home.
