Total Daily Energy Expenditure (TDEE)

Based on the user's age (18 years), height (157.48 cm), weight (17.24 kg), gender (male), and Total Daily Energy Expenditure (TDEE) of 1,286 kcal/day, I will provide tailored recommendations for weight loss, muscle gain, and maintenance of weight.

Considerations:

• The user's weight seems to be concerningly low for their height and age, suggesting a possible need for medical attention to assess overall health and nutritional needs. Weight gain might be a priority.

Weight Loss

Diet Recommendations:

• Caloric Intake: Aim for a daily intake of 1,086 kcal (200 kcal deficit).
• Macronutrient Distribution:
  • Protein: 25% (68g)
  • Fats: 25% (30g)
  • Carbohydrates: 50% (135g)

Sample Meal Plan:

1. Breakfast:

   • Greek yogurt (100g) with mixed berries (100g)
   • 1 tablespoon honey
   • Calories: approx. 250 kcal

2. Snack:

   • 1 medium apple
   • Calories: approx. 95 kcal

3. Lunch:

   • Grilled chicken breast (100g)
   • Quinoa (50g cooked)
   • Steamed broccoli (100g)
   • Calories: approx. 350 kcal

4. Snack:

   • 10 almonds
   • Calories: approx. 70 kcal

5. Dinner:

   • Baked salmon (75g)
   • Mixed salad with olive oil dressing (1 tsp)
   • Sweet potato (100g)
   • Calories: approx. 320 kcal

Exercise Plan:

• Frequency: 4-5 days/week
• Duration: 30-45 minutes per session
• Type:
  • Cardio: 20-30 minutes (running, cycling, swimming)
  • Strength Training: 2-3 days/week focusing on compound movements (squats, press, deadlifts)

Lifestyle Changes:

• Sleep: Aim for 7-9 hours of quality sleep per night.
• Stress Management: Practice mindfulness or yoga to reduce stress levels.
• Motivation: Set small, achievable goals and track progress regularly.

Muscle Gain

Diet Recommendations:

• Caloric Intake: Aim for a daily intake of 1,586 kcal (300 kcal surplus).
• Macronutrient Distribution:
  • Protein: 30% (119g)
  • Fats: 25% (44g)
  • Carbohydrates: 45% (178g)

Sample Meal Plan:

1. Breakfast:

   • Oatmeal (50g) cooked in milk
   • 1 banana and 1 tablespoon peanut butter
   • Calories: approx. 400 kcal

2. Snack:

   • Protein shake with 1 scoop of protein powder and 1 cup milk
   • Calories: approx. 220 kcal

3. Lunch:

   • Beef stir-fry with vegetables (150g beef + 150g mixed veggies)
   • Brown rice (100g cooked)
   • Calories: approx. 600 kcal

4. Snack:

   • 1 whole grain wrap with turkey (50g) and cheese (30g)
   • Calories: approx. 300 kcal

5. Dinner:

   • Grilled chicken thighs (150g)
   • Sweet potato (150g)
   • Green beans (100g)
   • Calories: approx. 450 kcal

Exercise Plan:

• Frequency: 5-6 days/week
• Duration: 45-60 minutes per session
• Type:
  • Strength Training: Focus on hypertrophy (8-12 reps) targeting all major muscle groups.
  • Cardio: Limited to 2 days a week to preserve muscle mass.

Lifestyle Changes:

• Sleep: Prioritize 8 hours per night for recovery.
• Stress Management: Engage in hobbies and relaxation techniques.
• Motivation: Join a fitness community or partner up for workouts. Track gains weekly.

Maintenance of Weight

Diet Recommendations:

• Caloric Intake: Aim for a daily intake of 1,286 kcal (maintenance).
• Macronutrient Distribution:
  • Protein: 20% (64g)
  • Fats: 30% (43g)
  • Carbohydrates: 50% (143g)

Sample Meal Plan:

1. Breakfast:

   • Scrambled eggs (2 eggs)
   • Whole grain toast (1 slice)
   • Calories: approx. 250 kcal

2. Snack:

   • Greek yogurt (100g) with honey
   • Calories: approx. 150 kcal

3. Lunch:

   • Tuna salad (100g tuna with mixed greens, olive oil)
   • Whole grain crackers (30g)
   • Calories: approx. 400 kcal

4. Snack:

   • Carrot sticks with hummus
   • Calories: approx. 100 kcal

5. Dinner:

   • Stir-fried vegetables (150g) with tofu (100g)
   • Quinoa (50g cooked)
   • Calories: approx. 350 kcal

Exercise Plan:

• Frequency: 3-5 days/week
• Duration: 30-45 minutes per session
• Type:
  • Combination of strength training and cardio. Alternate between weight lifting and cardio sessions.

Lifestyle Changes:

• Sleep: Maintain consistent sleep schedule and quality rest.
• Stress Management: Schedule regular rest and recovery.
• Motivation: Keep a food and exercise journal to track habits and patterns.

Important Note

It is highly advisable to consult with a healthcare provider or a registered dietitian before starting any diet or exercise program, especially given the current weight status, as the user's weight is potentially concerning.