Gaining weight in a healthy way means eating more calories than you burn while focusing on nutritious foods. For many people, eating large amounts of solid food can feel heavy or uncomfortable. That’s why protein shakes and smoothies are an excellent option — they are calorie-dense, nutrient-packed, and easy to digest.
With the right ingredients like milk, yogurt, nut butter, fruits, and protein powders, these drinks can help you add calories without feeling bloated. Whether you need a quick breakfast, post-workout fuel, or a bedtime shake, smoothies can support your weight gain journey.
Here are 12 of the best protein shake recipes for weight gain along with their nutrition breakdown.
Chocolate Peanut Butter Shake with Greek Yogurt
This creamy chocolate peanut butter shake is perfect for people who love dessert-like flavors. Greek yogurt adds protein, while peanut butter and honey provide extra calories and healthy fats. It’s a filling option that can also be enjoyed as a snack between meals.
- Calories: 587 | Protein: 30g
Triple Berry Smoothie with Egg Whites
A refreshing and colorful drink made with strawberries, blueberries, and raspberries. The addition of pasteurized egg whites increases protein without changing the taste. Orange juice and avocado make it rich in vitamins and healthy fats, making it a wholesome choice for weight gain.
- Calories: 491 | Protein: 26g
Green Smoothie with Greek Yogurt
If you want something healthy yet calorie-rich, this smoothie combines banana, pineapple, spinach, and full-fat Greek yogurt. The fruits add natural sweetness, while spinach provides essential vitamins and minerals. It’s a great way to gain weight while still eating nutrient-dense foods.
- Calories: 495 | Protein: 28g
Coffee Protein Smoothie
For coffee lovers, this smoothie is both energizing and nourishing. Made with cold-brew coffee, whey protein, cocoa, and almond butter, it doubles as a pre-workout drink. The caffeine keeps you alert while the protein and healthy fats support muscle growth and weight gain.
- Calories: 385 | Protein: 14.5g
Apple Cinnamon Hemp Heart Smoothie
This shake tastes like apple pie in a glass. Blended with apples, oats, almond butter, hemp hearts, and chia seeds, it provides a balanced mix of protein, fiber, and fats. The cinnamon not only adds flavor but also helps with digestion. A big portion that can be split into two servings.
- Calories: 895 | Protein: 32g
Strawberry Banana Smoothie with Kefir
Kefir is a fermented dairy drink rich in probiotics and protein. When combined with banana, strawberries, and oats, it becomes a refreshing yet filling smoothie. This option improves gut health while adding the calories you need for weight gain.
- Calories: 403 | Protein: 14g
Chocolate Avocado Smoothie with Flaxseed
Avocado makes this shake creamy, while cocoa and banana balance the flavor. Ground flaxseeds provide omega-3 fatty acids that support heart and joint health. It’s a delicious, nutrient-rich smoothie that can be enjoyed as a meal replacement or heavy snack.
- Calories: 671 | Protein: 36g
Blueberry Smoothie with Silken Tofu
Silken tofu blends smoothly with soy milk, banana, and blueberries, creating a plant-based shake full of protein. The honey adds sweetness while the tofu makes it extra creamy. This is a great vegan option for those looking to gain weight without dairy.
- Calories: 493 | Protein: 28gSmoothie
1,000-Calorie Whey Protein Smoothie
When you need serious calories, this is the ultimate weight gain smoothie. With oats, banana, peanut butter, honey, milk, and whey protein, it’s both filling and budget-friendly. A single serving can give you more than 1,000 calories, perfect for people who struggle to eat enough.
- Calories: 1,100 | Protein: 69g
Also Read: The Best Organic Juice Bar Singapore In 2025
Bedtime Casein Protein
Casein protein digests slowly, making it ideal for a nighttime shake. This smoothie includes casein, peanut butter, cocoa, and banana, giving you steady nutrition while you sleep. It prevents muscle breakdown overnight and supports weight gain.
- Calories: 655 | Protein: 44g
Vegan Green Smoothie with Pea Protein
This vegan-friendly smoothie combines pea protein, coconut milk, spinach, banana, and peanut butter. It’s light yet nutritious, offering plant-based protein and healthy fats. A great choice for vegans or those who prefer dairy-free shakes.
- Calories: 363 | Protein: 27g
Pumpkin Pie Shake with Egg White Protein
A seasonal favorite, this shake tastes like pumpkin pie but is healthy and protein-rich. With pumpkin puree, banana, almond butter, and egg white protein powder, it provides a comforting blend of nutrients and calories. Add a sprinkle of graham cracker crumbs for extra flavor.
- Calories: 535 | Protein: 36g
Bonus: Roasted Gram Flour and Nuts Smoothie
A traditional and nourishing option. Blend roasted gram flour with milk, dates, and nuts for a natural protein-packed drink. It’s rich in fiber, keeps you full, and is a great way to gain weight in a wholesome way.
Best Ingredients for Weight Gain Shakes
To make your smoothies more effective for gaining weight, include:
- Proteins: Whey protein, casein, Greek yogurt, kefir, tofu, pea protein, egg whites
- Carbs: Bananas, berries, oats, fruit juice, honey, dates
- Fats: Peanut butter, almonds, walnuts, avocado, flaxseed, chia seeds, full-fat dairy
The Bottom Line
If you’re struggling to gain weight, protein shakes and smoothies are one of the easiest and healthiest solutions. They provide a balance of protein, carbs, and fats while packing in extra calories. Try the above recipes, mix and match your favorite ingredients, and enjoy tasty shakes that support your fitness and weight goals.







