Leena Watts
Whether or not to go on a diet as a 14-year-old is a complex question. While dieting can be a way to improve health and boost self-esteem, it can also be dangerous and lead to weight gain if done incorrectly. Many teens feel pressured to lose weight and try different types of diets, but it's important to focus on healthy habits and safe, realistic weight-loss practices that nourish growing bodies. A healthy diet for teens should include iron, calcium, protein, and healthy fats, with limited added sugars. Physical activity is also an important part of staying healthy and feeling good about yourself.
| Characteristics | Values |
|---|---|
| Age group | 14-18 |
| Calorie needs | Boys' calorie needs increase from 14 on, while girls have the same calorie needs from ages 12-18. |
| Protein needs | Highest for 11–14-year-old females and 15–18-year-old males. |
| Carbohydrates | 45–65% of total calories |
| Dietary fat | 25–35% of total calories. Less than 10% of daily calories from saturated fats. |
| Micronutrients | Teens' diets are more likely to be low in vitamins and minerals. |
| Sodium | Less than 2,300 mg per day |
| Dairy | 3 cups per day |
| Fruits and vegetables | 2 cups of fruit and 2 ½ cups of vegetables every day (for a 2,000 calorie diet). |
| Whole grains | 7 servings per day |
| Water | Drink water instead of sugary drinks. |
| Exercise | 60 minutes or more on most or all days of the week. |
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What You'll Learn
Consult a doctor or dietitian
If you are 14 and considering a diet, it is important to consult a doctor or a registered dietitian. They can provide expert advice and help you make informed decisions about your health and well-being. Here are some reasons why you should consult a doctor or dietitian:
Expert Guidance
Professionals like doctors and dietitians have the knowledge and expertise to assess your individual needs and circumstances. They can provide tailored advice and create a personalised plan that considers your health status, growth and development, activity levels, and any other unique factors. This ensures that you receive guidance that is safe, effective, and adapted to your specific needs.
Nutrition and Calorie Requirements
During adolescence, the body undergoes rapid growth and development, and your nutritional needs are higher than at any other time in your life. A doctor or dietitian can help you understand your specific calorie and nutrient requirements. They will ensure that your diet provides sufficient energy and essential nutrients to support your overall health and well-being during this critical period.
Healthy Weight Management
If you are considering dieting to manage your weight, a doctor or dietitian can help you do so in a healthy and sustainable way. They can provide guidance on healthy eating habits, portion sizes, and physical activity recommendations. By focusing on a balanced and nutritious diet, they can help you achieve and maintain a healthy weight without compromising your growth or health.
Safe and Effective Diet Plans
There is no one-size-fits-all approach to dieting. A registered dietitian can design a safe and effective diet plan specifically for you. They will ensure that your diet includes a variety of nutritious foods from all the food groups, meeting your body's needs for energy, vitamins, and minerals. They can also help you make gradual, sustainable changes to your eating habits, promoting long-term success and a healthy relationship with food.
Addressing Concerns and Risks
Consulting a doctor or dietitian allows you to discuss any concerns or risks associated with dieting. They can screen for potential health issues, such as nutritional deficiencies, and provide guidance on managing medical conditions that may be affected by dietary changes. By involving a professional, you can ensure that your diet is safe and appropriate for your individual needs, reducing the risk of harm from extreme or fad diets.
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Focus on healthy habits
Adolescence is a period of rapid growth, with significant changes in body composition, height, weight, muscle mass, and bone density. This makes it essential for teens to consume sufficient calories and nutrients. The best way to maintain a healthy weight is to focus on healthy habits and a balanced diet, rather than restrictive fad diets.
Healthy Eating Habits
A healthy diet for teens includes:
- Fruits and vegetables: Aim for at least 5 servings of fruits and vegetables per day. Go for a colourful mix, as these are packed with vitamins, minerals, water, and fiber.
- Whole grains: Choose whole-wheat bread, brown rice, oatmeal, and other whole-grain products. They provide fiber, which helps you feel full and supports healthy digestion.
- Lean protein: Include a variety of protein sources such as lean meat, poultry, seafood, eggs, beans, soy products, and nuts. These provide essential nutrients and help you feel satisfied after meals.
- Dairy: Opt for low-fat or fat-free dairy products like milk, yogurt, and cheese. If you're lactose intolerant, go for lactose-free options or plant-based alternatives fortified with calcium and vitamins.
- Healthy fats: Include dietary fats like nuts, seeds, olives, and avocados. Choose unsaturated fats like olive oil, canola oil, and fatty fish over saturated fats like butter and coconut oil. Limit saturated fat intake to less than 10% of your daily calories.
- Water: Drink water instead of sugary drinks. Limit soda, juice, and artificially sweetened drinks to special occasions.
Avoiding Unhealthy Foods
It's important to limit or avoid certain foods that are high in saturated fat, sugar, and salt. These include cakes, biscuits, chips, processed meats, and fried or takeaway foods. These foods can negatively impact your health and increase the risk of weight gain.
Daily Recommendations
- Vegetables: Aim for 2 1/2 to 4 cups of vegetables per day.
- Fruits: Consume 1 1/2 to 2 1/2 cups of fruit per day.
- Dairy: Teens aged 14 to 18 should try to consume about 3 cups of dairy products per day.
- Cereal and grains: Include 7 servings of whole grain products per day.
Physical Activity
In addition to a healthy diet, regular physical activity is crucial for teens. It helps build muscles and bones, improves mood, and reduces the risk of chronic diseases. Aim for at least 60 minutes of activity on most days of the week. This can include walking to school, swimming, running, playing a sport, or dancing.
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Understand calorie and nutrient needs
Adolescence, defined as the period between ages 10 and 19, is a time of rapid growth and development. It involves significant changes in body composition, height, weight, muscle mass, bone density, and organ growth. As such, it is crucial to provide the body with the right amount of calories and optimal nutrition by choosing nourishing foods.
Calorie requirements vary depending on age, sex, and activity levels. For instance, boys aged 11-15 require approximately 2,500 calories per day, while girls of the same age require around 2,200. Boys tend to require more calories from the age of 14 onwards, whereas girls' calorie needs remain consistent from ages 12 to 18. Older teens, both male and female, generally require about 3,000 calories per day, but highly active athletes may need up to 5,000. It is worth noting that these are general estimates, and individual needs may vary.
In addition to calories, it is essential to ensure adequate nutrient intake. Protein, fat, and carbohydrates are macronutrients that the body needs in large amounts. The current recommendations for protein intake for adolescents aged 10-18 range from 0.38-0.43 grams per pound (0.85-0.95 grams per kg), but these values may be outdated, especially for highly active teens. Research suggests that teen athletes may require up to 0.68 grams of protein per pound (around 1.5 g/kg) to support growth and development. Iron is another critical nutrient during adolescence, with boys requiring it to build lean body mass and girls needing it for growth and to replace blood lost during menstruation. Good sources of iron include lean beef, iron-fortified cereals and breads, dried beans and peas, and spinach.
To meet nutrient requirements, it is recommended to consume a variety of nutrient-dense foods. This includes whole grains, fruits, vegetables, lean proteins, low-fat or fat-free dairy, beans, eggs, fish, nuts, and lean meats. It is also important to limit saturated fat intake and choose unsaturated fats found in oils, fatty fish, nuts, and seeds. Additionally, adolescents should focus on staying hydrated, aiming for 6-8 cups (1.6-1.9 L) of fluid per day, primarily water or low-fat/fat-free milk, while minimizing the consumption of sugary drinks and juices.
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Eat a balanced diet
Adolescence is a period of rapid growth, with significant changes in body composition, height, weight, muscle mass, bone density, and organ growth. Therefore, it is essential for teens to eat a balanced diet to support their growth and development.
A balanced diet fulfils all of a person's nutritional needs and includes foods from the five essential food groups: fruits, vegetables, dairy, grains, and protein. According to the United States Department of Agriculture (USDA), half of a person's plate should consist of fruits and vegetables, while the other half should be made up of grains and protein. It is recommended to accompany each meal with a serving of low-fat dairy or another source of dairy nutrients.
When it comes to fruits and vegetables, it is best to consume a variety of colourful vegetables to ensure a full range of nutrients. Dark, leafy greens are an excellent source of nutrients. Whole fruits are preferable to fruit juice, as juice often contains added sugar and fewer nutrients. Whole grains, such as whole-wheat bread, brown rice, and oatmeal, are also recommended as they provide fibre and help you feel full.
Protein is essential at every meal and snack. Examples of protein-rich foods include lean meat, poultry, seafood, eggs, beans, soy products, nuts, and legumes. Dairy and fortified soy products are vital sources of calcium. It is recommended to opt for low-fat or fat-free versions whenever possible.
In addition to the food groups mentioned above, it is important to ensure adequate intake of healthy fats. About 25-35% of total calories should come from fat. Monounsaturated and polyunsaturated fats are considered healthy, and olive oil, especially extra virgin olive oil, is recommended. Trans fats should be avoided, as they can increase the risk of cardiovascular disease.
It is also crucial to stay hydrated by drinking water instead of sugary drinks. Finally, remember that everyone's nutritional needs are unique, and it is always a good idea to consult a doctor or registered dietitian for personalized advice.
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Incorporate physical activity
Adolescence is a period of rapid growth, and it is important to incorporate physical activity into your routine to support your body's development. The benefits of physical activity include building muscles and bones, improving your mood, and reducing the risk of chronic diseases such as type 2 diabetes, heart disease, and high blood pressure.
Teens should aim to be active for at least 60 minutes on most days of the week. This can include activities such as walking or biking to school, swimming, running, or playing a sport you enjoy. If you don't like sports, you can try dancing in your bedroom or signing up for a fitness class. You can also include physical activity in your chores, such as walking the dog or doing yard work.
It is important to find an activity that you enjoy and that suits your interests and abilities. This will help you stick with it and make it a regular part of your routine. You can also vary your activities to keep things interesting and work different muscle groups. For example, you could go for a run one day and then try a yoga class the next.
If you are an athlete or are very active, it is important to stay hydrated by drinking enough water. You may also need to increase your calorie intake to maintain your weight and support your activity level.
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Frequently asked questions
It is not recommended for 14-year-olds to go on diets that drastically cut calories or restrict certain food groups. Instead, focus on eating a variety of healthy foods in the right amounts, such as fruits and vegetables, whole grains, and lean protein. Stay away from processed foods and sugary drinks, and practice mindful eating.
At 14, it is important to focus on nourishing your body and adopting healthy habits that can be maintained in the long term. This includes eating a balanced diet with plenty of fruits and vegetables, choosing lower-fat dairy options, and limiting sugary and fatty snacks. Additionally, staying active by engaging in physical activities you enjoy is crucial for both your physical and mental well-being.
If you are concerned about your weight, it is important to consult a doctor or a registered dietitian. They can provide personalized advice and help you set realistic weight and body image goals. Safe and healthy weight loss practices include improving your diet, increasing physical activity, and making lifestyle changes that support your overall health and well-being.
