Skip to content

What Should I Eat to Get 8000 Calories a Day?

4 min read

Athletes like swimmer Michael Phelps have reportedly consumed upwards of 8,000 to 10,000 calories daily to fuel their intense training. If you're a bodybuilder or extreme endurance athlete wondering what you should eat to get 8000 calories a day, a strategic plan focusing on nutrient-dense, calorie-dense foods is crucial for success and health.

Quick Summary

A diet this calorically demanding must prioritize nutrient-dense, high-calorie foods like fatty fish, complex carbohydrates, nuts, and high-quality proteins. Frequent meals and strategic calorie-dense liquids are key. The approach differs from casual overeating, focusing on fueling extreme performance rather than simple consumption.

Key Points

  • High-Calorie, Nutrient-Dense Foods: Focus on calorie-dense but nutrient-rich foods like nuts, fatty fish, and healthy oils to meet energy needs without compromising nutritional intake.

  • Frequent Eating: Instead of three large meals, consume 6-8 smaller meals and high-calorie snacks throughout the day to make the large volume of food more manageable.

  • Strategic Liquid Calories: Use homemade smoothies and protein shakes packed with milk, peanut butter, and fruit to consume a significant number of calories easily.

  • Meal Prep is Crucial: Plan and prepare meals in advance to maintain consistency and prevent the stress of daily cooking for a demanding diet.

  • Professional Guidance is Recommended: An 8000-calorie diet is only for extreme athletes or individuals under medical supervision; consult a dietitian to ensure safety and balance.

  • Quality Over Quantity: Distinguish between healthy, whole-food-based calories and low-nutrient fast food to avoid negative health consequences like heart problems and hormonal imbalances.

In This Article

Building a Foundation for an 8000 Calorie Diet

Consuming 8000 calories per day is not a casual task; it is a serious dietary regimen typically undertaken by elite athletes, professional bodybuilders, or individuals with specific medical conditions under strict professional supervision. The average person requires far fewer calories and attempting this without extreme activity levels can lead to significant health problems. Success hinges on prioritizing nutrient-dense, high-calorie foods and smart eating strategies to avoid digestive distress.

Prioritizing Nutrient-Dense, Calorie-Dense Foods

The goal isn't just to eat a lot, but to eat smart. Focus on foods that pack a powerful caloric punch alongside essential vitamins, minerals, and macronutrients.

  • Healthy Fats: The most calorie-dense macronutrient, providing 9 calories per gram. Incorporate plenty of avocados, nuts, seeds, and healthy oils like olive or coconut oil.
  • Complex Carbohydrates: These provide sustained energy for intense training. Stock up on oats, sweet potatoes, brown rice, whole-grain pasta, and legumes.
  • Quality Protein: Essential for muscle repair and growth. Excellent sources include fatty fish like salmon, red meat, chicken, eggs, and full-fat dairy like Greek yogurt.
  • Liquid Calories: Drinking your calories is an efficient way to increase intake without feeling overly full. Smoothies and protein shakes are your best friends.

Sample 8000 Calorie Meal Plan

This is an example structure, not a rigid prescription. Your exact needs may vary. The key is frequent eating—aiming for 6-8 meals and snacks per day.

Morning (Meal 1)

  • Oatmeal (1.5 cups dry) cooked with full-fat milk (2 cups), topped with a large handful of almonds, dried fruit, and a scoop of protein powder.
  • 6-8 large scrambled eggs mixed with cheese and a side of avocado.

Mid-Morning Snack (Meal 2)

  • Mass gainer shake made with whole milk, two scoops of protein powder, peanut butter, and a banana.

Lunch (Meal 3)

  • Large portion of grilled salmon (10-12oz) with brown rice (1.5 cups cooked) and a generous drizzle of olive oil, plus steamed vegetables.

Afternoon Snack (Meal 4)

  • Beef jerky or high-protein bar with a large serving of Greek yogurt topped with honey and seeds.

Pre-Workout (Meal 5)

  • Sweet potatoes (2 large) baked with butter and cinnamon, or a bowl of pasta.

Post-Workout Shake (Meal 6)

  • Recovery shake with whey protein, dextrose or other simple sugars, and creatine.

Dinner (Meal 7)

  • Large cut of red meat (12-16oz steak or lean ground beef) with a large baked potato and a side salad with a heavy, oil-based dressing.

Before Bed (Meal 8)

  • Cottage cheese or casein protein shake with a handful of walnuts and a small bowl of fruit.

Healthy vs. Unhealthy 8000-Calorie Sources: A Comparison

Feature Healthy 8000-Calorie Diet Unhealthy 8000-Calorie Diet
Primary Goal Fueling performance, gaining lean muscle mass. Satisfying cravings, binging, can lead to unhealthy weight gain.
Food Quality Focus on whole, minimally processed foods. Focus on fast food, sugary drinks, and processed snacks.
Nutrient Density High in essential vitamins, minerals, and healthy fats. Low in micronutrients, often high in saturated fat and sugar.
Macronutrient Balance Carefully balanced protein, carbs, and fats to support training and recovery. Disproportionate macros, often high in simple carbs and unhealthy fats.
Energy Level Sustained energy throughout the day for training. Sugar crashes and energy spikes followed by fatigue.
Impact on Health Supports athletic performance and muscle growth. Increases risk of obesity, heart problems, and digestive issues.

Making the Diet Manageable

Eating this much food can be a struggle, even for those with high caloric needs. Here are some tips to make it more manageable:

  • Meal Prep: Prepare several meals and snacks in advance to save time and ensure consistent intake.
  • Prioritize Liquids: Smoothies and shakes are easy to consume and digest, making them perfect for calorie boosting.
  • Eat Frequently: Aim for smaller, more frequent meals rather than three massive, overwhelming ones.
  • Use High-Calorie Add-ons: Sprinkle nuts and seeds on everything, use extra oils in cooking, and add peanut butter to shakes.

Potential Risks and How to Mitigate Them

While necessary for some, an 8000-calorie diet is not without risks. Digestive issues, hormonal imbalances, and potential nutrient deficiencies can occur if not managed correctly. Consulting with a registered dietitian or a sports nutritionist is highly recommended to ensure the plan is healthy, balanced, and appropriate for your specific needs. Regular health check-ups are also crucial to monitor your body's response.

Conclusion

Eating 8000 calories a day requires a well-structured and disciplined approach centered on nutrient-dense, calorie-rich foods. For extreme athletes and bodybuilders, this diet is essential fuel for demanding training, but it must be executed thoughtfully to remain healthy. By focusing on quality macronutrients, using liquid calories, and eating frequently, individuals can achieve their high caloric goals safely. This is not a diet for the average person, but for those with extreme energy needs, it's a strategic pathway to performance and growth.

Disclaimer: Always consult a healthcare professional or registered dietitian before beginning a diet of this intensity to ensure it aligns with your health and fitness goals.

Frequently Asked Questions

No, an 8000-calorie-a-day diet is not safe or necessary for a regular person. It is only appropriate for elite athletes, bodybuilders, or specific medical cases and can lead to severe health issues like obesity and heart problems for the average individual.

To make this diet more manageable, prioritize calorie-dense foods, use liquid calories from smoothies and shakes, and eat more frequently throughout the day. Meal prepping is also essential for consistent intake.

Focus on foods like nuts and nut butters, fatty fish (salmon), healthy oils (olive, coconut), avocados, whole-grain breads, complex carbohydrates (oats, sweet potatoes), and full-fat dairy products.

For those not engaging in intense physical activity, yes. The purpose of this diet for athletes is to fuel extreme training and build muscle mass. For others, it will lead to significant, unhealthy fat gain.

Yes, high-calorie mass gainers and protein shakes are an effective tool to supplement food intake and reach such a high caloric target, especially post-workout.

Elite athletes eat huge quantities of food because their intense training sessions burn an immense number of calories, sometimes thousands in a single workout. Their diet is a strategic fuel source, not just simple overeating.

Yes, if not paired with extreme activity, the risks include obesity, diabetes, heart disease, gallstones, and metabolic depression. Always consult a healthcare professional before starting.

References

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.