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90 30 50 diet plan for gaining weight

For those struggling to increase their weight, the 90 30 50 diet provides a nutritious framework that emphasizes all the right macros. High in protein and healthy fats, this plan not only supports weight gain but ensures it’s healthy and sustainable. Plus, the fiber keeps your digestive system running smoothly as you up your intake.

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Diet plan grocery list

  • Chicken breasts
  • Salmon fillets
  • Ground beef
  • Greek yogurt
  • Eggs
  • Quinoa
  • Brown rice
  • Sweet potatoes
  • Avocados
  • Almonds
  • Walnuts

  • Olive oil
  • Coconut oil
  • Spinach
  • Broccoli
  • Bell peppers
  • Kale
  • Blueberries
  • Bananas
  • Oranges
  • Apples
  • Strawberries

  • Black beans
  • Lentils
  • Chickpeas
  • Cottage cheese
  • Tofu
  • Whole grain bread
  • Oats
  • Peanut butter
  • Chia seeds
  • Flaxseeds
  • Pumpkin seeds

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Article Reviewed
• Written by Zuzanna Kędziora
• Published on May 13, 2024.
• Updated on August 8, 2024.

Diet plan overview

Gaining weight healthily is possible with the 90 30 50 diet plan for gaining weight, designed to give you a balanced intake of protein, fiber, and fats. The 90 grams of protein help in building lean muscle, while the 50 grams of healthy fats are crucial for adding calories and supporting cell growth. Fiber is not left behind, with 30 grams ensuring your digestive health is on point.

This diet plan is ideal for those who find it difficult to increase their body weight. It's especially effective when combined with a weight training program to ensure the added weight is muscle rather than fat. Drink plenty of water and give your body time to adjust to the new caloric intake for the best results.

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Foods to eat

  • High-Calorie Smoothies: Blend yogurt, nut butter, and fruit for a nutrient-packed calorie boost.
  • Fatty Fish: Salmon and mackerel provide healthy fats and protein.
  • Trail Mix: Mix nuts, seeds, and dried fruits for a snack that's rich in calories and nutrients.
  • Dark Chocolate: Offers antioxidants along with added calories.
  • Avocados: Packed with healthy fats, avocados are versatile and delicious.
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Fruits and vegetables are the one point of consensus—an oasis—in arguments about what to eat. Everyone agrees that eating more of them is a good idea.

Marion Nestle, PhD, MPH

Foods not to eat

  • Low-Calorie Snacks: Rice cakes and popcorn should be limited due to their low calorie density.
  • Low-Fat or Fat-Free Products: They tend to lack the necessary fats for weight gain.
  • Artificial Sweeteners: They can suppress appetite and provide no nutritional value.
  • Overly Processed Foods: Reduce intake of foods with empty calories and low nutritional value.
  • Soda: Avoid diet and regular sodas, which can suppress appetite.

Main benefits

The 90 30 50 diet plan for gaining weight combines ample protein, fiber, and healthy fats to ensure a calorie surplus without compromising nutrient quality. High-calorie, protein-packed foods like nuts and lean meats promote healthy weight gain while fiber-rich fruits and vegetables keep digestion smooth. The inclusion of healthy fats like nut butter and fatty fish provides an energy boost that translates directly into muscle growth.

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📊 Nutrient breakdown of the 90 30 50 diet (Source)

How to budget on this diet plan

If you're trying to gain weight on the 90 30 50 diet plan, prioritize calorie-dense foods that still fit the plan. Peanut butter, avocados, and whole eggs are all nutrient-rich and wallet-friendly. Make your own trail mix with nuts, seeds, and dried fruits for a healthy snack between meals. Consider making your own granola bars or energy bites using oats and honey. Protein shakes with full-fat milk or yogurt add extra calories without costing too much.

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7-Day Meal Plan for 90 30 50 Diet Plan for Gaining Weight

Day 1

  • Breakfast: Oatmeal with chia seeds, flaxseeds, and strawberries topped with a dollop of Greek yogurt
  • Lunch: Quinoa salad with grilled chicken breasts, avocado, bell peppers, and a dressing of olive oil
  • Dinner: Baked salmon fillets with a side of steamed broccoli and sweet potatoes
  • Snack: Cottage cheese with sliced bananas and a sprinkle of walnuts

Day 2

  • Breakfast: Smoothie with Greek yogurt, blueberries, bananas, and spinach
  • Lunch: Stir-fried tofu with kale, bell peppers, and quinoa
  • Dinner: Ground beef and black bean chili with a side of brown rice
  • Snack: Apple slices with almond butter

Day 3

  • Breakfast: Scrambled eggs with spinach, mushrooms, and whole grain bread
  • Lunch: Lentil soup with carrots, tomatoes, and a slice of whole grain bread
  • Dinner: Grilled chicken breast with roasted sweet potatoes and steamed kale
  • Snack: Greek yogurt topped with sliced strawberries and a handful of pumpkin seeds

Day 4

  • Breakfast: Pancakes made with oats, eggs, and topped with blueberries and a drizzle of honey
  • Lunch: Chickpea salad with cucumbers, tomatoes, olives, and feta cheese, dressed with olive oil
  • Dinner: Pan-seared salmon with quinoa and avocado salad
  • Snack: A handful of almonds and walnuts

Day 5

  • Breakfast: Greek yogurt with flaxseeds, chia seeds, and mixed berries
  • Lunch: Grilled tofu steaks with a side of roasted bell peppers and broccoli
  • Dinner: Beef stir-fry with broccoli, carrots, and coconut oil, served over brown rice
  • Snack: Cottage cheese with sliced peaches and a sprinkle of almonds

Day 6

  • Breakfast: Peanut butter, banana, and chia seed toast on whole grain bread
  • Lunch: Baked sweet potato stuffed with ground beef, black beans, and topped with avocado slices
  • Dinner: Broiled salmon with a side of sautéed kale and quinoa
  • Snack: A smoothie with spinach, apple, and Greek yogurt

Day 7

  • Breakfast: Omelet with spinach, tomatoes, and onions, served with a side of whole grain toast
  • Lunch: Lentil and chickpea salad with cucumber, tomatoes, and a dressing of olive oil and lemon
  • Dinner: Stir-fried tofu with broccoli and bell peppers over brown rice
  • Snack: Mixed nuts and dried fruit

Download the FREE grocery list for this Diet plan

Download the FREE grocery list for this Diet plan

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⚠️ Keep in mind

As with any dietary change, it is recommended to consult with a healthcare professional or registered dietitian before changing your dietary habits.