Weight Gain Meal Plan: Honest 7-Day Guide With Macros

Short answer: You cannot healthily gain 11 lb in 7 days. The original version of this article promised that, and it was wrong. Real lean-mass gain requires a moderate calorie surplus of about 300 to 500 kcal per day above your maintenance level, adequate protein of roughly 1.6 to 2.2 g per kg body weight per day, and a progressive resistance-training program⁽¹⁾⁽²⁾. Under those conditions most healthy adults gain about 0.25 to 0.5 lb of lean tissue per week. In a single week that is a realistic 1 to 2 lb, and much of the extra scale weight in the first days is glycogen, food volume, and water, not muscle.

This guide gives you an honest, evidence-based 7-day meal plan for a moderate surplus, with per-meal calorie and macronutrient targets, food swaps, and a resistance-training note. It is written for adults who are underweight, recovering from illness, or trying to add lean mass. It is not a dirty-bulk plan and not a substitute for medical care if you have unexplained weight loss.

Medical disclaimer: Unintentional weight loss, difficulty gaining despite eating well, or a BMI under 18.5 can signal an underlying condition (thyroid disease, celiac disease, inflammatory bowel disease, diabetes, cancer, disordered eating, depression, medication side effects). Talk with a physician or registered dietitian before starting a weight-gain plan, especially if you are pregnant, adolescent, recovering from an eating disorder, or managing a chronic illness. Individual results vary.

How Fast You Can Actually Gain Weight

The physiology is simple. To store 1 lb of body tissue you need to eat roughly 3,500 extra kcal above what you burn. A 300 to 500 kcal daily surplus adds about 0.5 to 1 lb of body weight per week. But not all of that gain is muscle. A well-cited review by Slater and colleagues on hypertrophy nutrition concluded that lean-mass gains in trained adults typically cap around 0.25 to 0.5 lb per week, and that larger surpluses mostly add fat⁽²⁾.

What about the “11 lb in a week” claim? Some scale gain that fast can happen from rehydration, refeeding glycogen (each gram of stored carb pulls about 3 g of water), a full digestive tract, and constipation. Those numbers vanish within days and are not lean tissue. Chasing them with force-feeding tends to produce reflux, bloating, and dropout.

Your Calorie Target

Estimate your maintenance calories using a Mifflin-St Jeor calculator, then add 300 to 500 kcal. A rough working range for adults:

• Small-frame woman, sedentary: ~1,900 to 2,200 kcal per day for a moderate surplus.
• Average-frame woman, lightly active: ~2,300 to 2,600 kcal per day.
• Small-frame man, sedentary: ~2,500 to 2,800 kcal per day.
• Average-frame man, lightly active: ~2,800 to 3,200 kcal per day.

The plan below is built at approximately 2,800 kcal per day, which fits many under-eating adult men and taller women. Scale portion sizes down to your target: if you need 2,300 kcal, cut roughly one snack and reduce lunch and dinner starch by a third.

Protein, Carbs, and Fat

The International Society of Sports Nutrition (ISSN) position stand on protein and exercise recommends 1.4 to 2.0 g protein per kg body weight per day for people who train, with 1.6 to 2.2 g per kg per day when the goal is muscle gain in a surplus⁽¹⁾. Distribute protein across 3 to 5 meals of roughly 0.25 to 0.4 g per kg per meal.

• Protein: ~30 percent of calories, or 1.6 to 2.2 g per kg per day.
• Carbohydrate: ~45 to 55 percent of calories. Carbs fuel training and support glycogen storage.
• Fat: ~25 to 30 percent of calories. Prioritize olive oil, nuts, seeds, avocado, and fatty fish.

Progressive Resistance Training

A surplus without training adds mostly fat. To bias the gain toward muscle, follow a simple full-body resistance program 3 days per week (for example Monday, Wednesday, Friday). Each session: a hinge (deadlift or Romanian deadlift), a squat, a horizontal push (bench or push-up), a horizontal pull (row), a vertical push (overhead press), a vertical pull (lat pulldown or assisted pull-up). Three sets of 6 to 12 reps per exercise, taken to within 2 to 3 reps of failure. Add a little weight or a rep each session; that is progressive overload⁽¹⁾.

The 7-Day Weight-Gain Meal Plan (~2,800 kcal/day)

Each day totals 2,780 to 2,850 kcal, roughly 170 to 190 g protein, 320 to 360 g carbs, 90 to 100 g fat. Snacks are calorie-dense but built on whole foods, not fried or ultraprocessed. Swap fish, chicken, tofu, or beans across days as you like; keep protein per meal at roughly 30 to 45 g.

Day 1 (approx. 2,810 kcal, 178 g protein, 330 g carbs, 92 g fat)

• Breakfast (720 kcal): 3-egg cheese omelet (3 eggs, 30 g shredded cheese, 1 tsp butter) with 2 slices whole-grain toast (60 g total) topped with 1 tbsp peanut butter and 1 tbsp jam; 1 cup whole milk (240 mL); 1 medium orange. Protein ~40 g, carbs ~78 g, fat ~28 g.
• Snack (380 kcal): Trail mix: 30 g almonds, 20 g walnuts, 25 g raisins, 15 g dark chocolate chips. Protein ~11 g, carbs ~30 g, fat ~26 g.
• Lunch (720 kcal): Chicken and rice bowl: 150 g grilled chicken breast, 1.25 cups cooked brown rice (230 g), 1 cup roasted mixed vegetables tossed in 1 tbsp olive oil, 40 g avocado, 1 tbsp tahini drizzle. Protein ~50 g, carbs ~85 g, fat ~22 g.
• Snack (330 kcal): Greek yogurt bowl: 200 g plain full-fat Greek yogurt, 1 medium banana, 2 tbsp granola, 1 tsp honey. Protein ~18 g, carbs ~40 g, fat ~10 g.
• Dinner (660 kcal): Beef and lentil skillet: 100 g lean ground beef sauteed with 150 g cooked green lentils, 200 g diced tomato, garlic and onion in 1 tbsp olive oil; served with 1 small whole-grain roll (50 g) and a green salad with 1 tbsp vinaigrette. Protein ~48 g, carbs ~65 g, fat ~18 g.

Day 2 (approx. 2,790 kcal, 175 g protein, 340 g carbs, 92 g fat)

• Breakfast (700 kcal): Overnight oats: 80 g rolled oats soaked in 250 mL whole milk with 1 scoop (30 g) whey protein, 1 tbsp chia seeds, 1 tbsp almond butter, 1 sliced banana, cinnamon. Protein ~42 g, carbs ~85 g, fat ~22 g.
• Snack (350 kcal): 1 apple, 2 tbsp peanut butter, 1 slice whole-grain toast. Protein ~10 g, carbs ~42 g, fat ~18 g.
• Lunch (740 kcal): Turkey wrap: 1 large whole-grain tortilla (80 g), 120 g roasted turkey breast, 30 g cheese, avocado (40 g), spinach, tomato, 1 tbsp olive oil mayo; served with 150 g roasted sweet potato wedges. Protein ~48 g, carbs ~78 g, fat ~28 g.
• Snack (330 kcal): Cottage cheese bowl: 200 g low-fat cottage cheese, 1 cup mixed berries, 20 g walnuts, drizzle of honey. Protein ~30 g, carbs ~28 g, fat ~15 g.
• Dinner (670 kcal): Salmon pasta: 120 g baked salmon, 90 g dry whole-grain penne (cooked), sauteed spinach and cherry tomatoes in 1 tbsp olive oil, 1 tbsp grated parmesan. Protein ~45 g, carbs ~78 g, fat ~22 g.

Day 3 (approx. 2,820 kcal, 180 g protein, 335 g carbs, 94 g fat)

• Breakfast (700 kcal): 2-egg scramble with 50 g feta and 100 g sauteed mushrooms, 2 slices whole-grain toast with 1 tbsp butter, 250 mL whole milk, 1 kiwi. Protein ~38 g, carbs ~68 g, fat ~30 g.
• Snack (380 kcal): Smoothie: 250 mL whole milk, 1 scoop whey (30 g), 1 banana, 2 tbsp peanut butter, 1 tbsp cocoa powder, ice. Protein ~40 g, carbs ~42 g, fat ~18 g.
• Lunch (760 kcal): Rice-and-beans bowl: 1 cup cooked brown rice (200 g), 1 cup black beans (170 g), 100 g grilled chicken thigh, 40 g avocado, salsa, 30 g shredded cheese, 1 tbsp sour cream. Protein ~52 g, carbs ~92 g, fat ~22 g.
• Snack (300 kcal): Whole-grain crackers (30 g) with 40 g cheddar and 1 pear. Protein ~12 g, carbs ~40 g, fat ~14 g.
• Dinner (680 kcal): Steak and potatoes: 130 g sirloin steak, 250 g roasted baby potatoes in 1 tbsp olive oil, 1 cup roasted broccoli with garlic, small salad with vinaigrette. Protein ~48 g, carbs ~68 g, fat ~24 g.

Day 4 (approx. 2,830 kcal, 178 g protein, 345 g carbs, 92 g fat)

• Breakfast (720 kcal): Peanut butter banana toast: 3 slices whole-grain bread, 3 tbsp peanut butter, 1 sliced banana, 1 tsp honey; 2 boiled eggs on the side; 250 mL whole milk. Protein ~40 g, carbs ~90 g, fat ~28 g.
• Snack (340 kcal): Trail mix (30 g mixed nuts, 25 g dried apricots), 1 string cheese. Protein ~14 g, carbs ~35 g, fat ~18 g.
• Lunch (720 kcal): Tuna pasta salad: 90 g dry pasta (cooked), 1 can (140 g drained) tuna in olive oil, 60 g chickpeas, cherry tomatoes, 40 g olives, 1 tbsp olive oil, lemon. Protein ~46 g, carbs ~82 g, fat ~24 g.
• Snack (320 kcal): Greek yogurt (200 g) with 30 g granola, 1 tbsp honey, 1 handful strawberries. Protein ~20 g, carbs ~42 g, fat ~8 g.
• Dinner (730 kcal): Chicken curry: 150 g chicken thigh in 100 mL light coconut milk with 1 tbsp curry paste and vegetables, served over 1 cup basmati rice (200 g). Protein ~55 g, carbs ~92 g, fat ~20 g.

Day 5 (approx. 2,800 kcal, 176 g protein, 330 g carbs, 96 g fat)

• Breakfast (700 kcal): Breakfast burrito: 3-egg scramble with 30 g cheese, 60 g black beans, 40 g avocado, salsa, in 1 large whole-grain tortilla (80 g); 1 orange. Protein ~40 g, carbs ~72 g, fat ~30 g.
• Snack (350 kcal): Hummus (60 g) with 1 whole-grain pita (80 g), carrot and cucumber sticks, 20 g olives. Protein ~12 g, carbs ~45 g, fat ~14 g.
• Lunch (740 kcal): Salmon rice bowl: 130 g grilled salmon, 1 cup cooked rice (200 g), 1 cup edamame in pods, cucumber, 1 tbsp soy sauce, 1 tsp sesame oil, 1 tbsp sesame seeds. Protein ~48 g, carbs ~78 g, fat ~26 g.
• Snack (320 kcal): 30 g dark chocolate, 20 g almonds, 250 mL whole milk. Protein ~13 g, carbs ~30 g, fat ~18 g.
• Dinner (690 kcal): Turkey chili: 130 g ground turkey, 150 g kidney beans, 200 g diced tomato, onion, garlic, chili spices in 1 tbsp olive oil; served with 40 g whole-grain cornbread and 2 tbsp sour cream. Protein ~50 g, carbs ~72 g, fat ~22 g.

Day 6 (approx. 2,810 kcal, 182 g protein, 338 g carbs, 90 g fat)

• Breakfast (700 kcal): Cottage cheese pancakes: 3 pancakes made from 60 g oats blended with 120 g cottage cheese and 2 eggs, topped with 1 tbsp maple syrup and 100 g berries; 1 cup whole milk. Protein ~48 g, carbs ~75 g, fat ~22 g.
• Snack (360 kcal): Peanut butter and banana on 2 slices whole-grain toast. Protein ~14 g, carbs ~46 g, fat ~18 g.
• Lunch (720 kcal): Steak wrap: 120 g flank steak sliced thin, 1 large whole-grain tortilla, 40 g cheese, sauteed peppers and onions, 40 g avocado, salsa. Protein ~50 g, carbs ~72 g, fat ~26 g.
• Snack (330 kcal): Smoothie: 250 mL whole milk, 1 scoop whey, 1 cup frozen mango, 1 tbsp flaxseed. Protein ~35 g, carbs ~48 g, fat ~10 g.
• Dinner (700 kcal): Baked chicken thigh (150 g) with 200 g mashed sweet potato made with 1 tbsp butter and 30 mL milk, 1 cup steamed green beans with almonds. Protein ~50 g, carbs ~68 g, fat ~24 g.

Day 7 (approx. 2,850 kcal, 180 g protein, 340 g carbs, 96 g fat)

• Breakfast (720 kcal): French toast: 2 slices whole-grain bread dipped in 2 eggs and 60 mL milk, cooked in 1 tsp butter, topped with 1 tbsp maple syrup and 100 g Greek yogurt with berries. Protein ~40 g, carbs ~75 g, fat ~26 g.
• Snack (380 kcal): Trail mix (40 g mixed nuts, 20 g raisins), 1 string cheese. Protein ~14 g, carbs ~30 g, fat ~26 g.
• Lunch (740 kcal): Chickpea and chicken bowl: 130 g grilled chicken, 150 g chickpeas, 1 cup couscous (150 g cooked), 40 g feta, cucumber and tomato, 1 tbsp olive oil, lemon. Protein ~52 g, carbs ~88 g, fat ~22 g.
• Snack (300 kcal): 200 g Greek yogurt with 1 tbsp honey and 20 g walnuts. Protein ~22 g, carbs ~26 g, fat ~14 g.
• Dinner (710 kcal): Homemade personal pizza: 100 g whole-grain crust, 60 mL tomato sauce, 60 g mozzarella, 60 g grilled chicken, spinach, mushrooms, 1 tbsp olive oil drizzle; small side salad. Protein ~52 g, carbs ~88 g, fat ~22 g.

Foods to Emphasize

• Calorie-dense whole foods: oats, whole-grain breads and pasta, rice, potatoes, sweet potato, quinoa, legumes.
• Quality protein: eggs, Greek yogurt, cottage cheese, milk, chicken, turkey, lean beef, salmon, tuna, tofu, tempeh, lentils, beans.
• Healthy fats: olive oil, avocado, nuts and seeds, nut butter, tahini, fatty fish, dark chocolate.
• Fluid calories that help you hit targets without early fullness: whole milk, smoothies, kefir, 100 percent juice with meals.

Foods and Habits to Downplay

• Ultraprocessed “dirty bulk” staples like fast-food combos, sugary sodas, and pastries. They add calories but crowd out protein, fiber, and micronutrients, and they tend to add fat rather than lean tissue.
• Very high-fiber, low-calorie fillers like plain salads, large volumes of raw vegetables, and cauliflower rice at every meal. These are healthy in general but can make it hard to hit your calorie target.
• Excess alcohol. It suppresses protein synthesis and adds empty calories.

Practical Tips for Under-Eaters

• Set a phone reminder for snacks. Skipped snacks are the most common reason a plan misses its target.
• Drink most fluids between meals so your stomach has room for food.
• Add fats to what you already eat (an extra tbsp of olive oil on the salad, a tbsp of peanut butter on the toast). Fats are calorically dense and easy to add invisibly.
• Track for 2 weeks using a food-logging app to confirm you are actually eating the target. Most people underestimate their intake by 15 to 20 percent.
• Weigh yourself once a week, same day, same conditions. If you do not gain 0.5 to 1 lb over 2 weeks, add another 200 kcal per day.

Frequently Asked Questions

Can I really gain 11 lb in 7 days?

No, not as lean tissue. Fast scale gain like that is mostly refeeding water, glycogen, and gut contents; it disappears within days. A healthy target is 0.5 to 1 lb of body weight per week, of which about 0.25 to 0.5 lb can be lean mass if you train.

How much protein do I actually need to build muscle?

About 1.6 to 2.2 g per kg of body weight per day, split across 3 to 5 meals of roughly 30 to 45 g each, according to the ISSN position stand⁽¹⁾. More than that offers no extra benefit for hypertrophy.

Do I need protein powder?

No. It is convenient for hitting protein targets, but whole-food sources (eggs, dairy, meat, fish, legumes, soy) work equally well. Use whey or plant powder to top up meals if you struggle to eat solid food.

Do I have to lift weights?

To bias the surplus toward muscle, yes. Without resistance training, a surplus mostly adds body fat⁽²⁾. Bodyweight training and machines both count.

I have no appetite. What do I do?

Eat smaller, more frequent meals; use liquid calories (whole milk, smoothies, kefir) between solid meals; and see a physician to rule out reflux, thyroid disease, celiac, IBD, depression, and medication side effects.

Is this plan safe if I have an eating-disorder history?

Do not follow a self-guided weight-gain plan if you have a history of anorexia, bulimia, or ARFID. Refeeding must be medically supervised. Talk with your care team.

The Bottom Line

Ignore promises of 11 lb in a week. Focus on a moderate 300 to 500 kcal daily surplus, 1.6 to 2.2 g of protein per kg per day, three to five balanced meals with snacks, and full-body resistance training three times a week. On that pattern most healthy adults gain about 0.5 to 1 lb per week, and a meaningful share of that gain is muscle. The 7-day plan above shows what that looks like on a plate.

Medical Disclaimer: This article is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making dietary changes, especially if you take medications or have a chronic condition.