Best Protein To Gain Weight – Top Picks & Guide

Do you look in the mirror and wish you had more muscle and size? Many people try to bulk up, but they hit a wall. They eat more food, but the scale barely moves. It can feel frustrating when your hard work in the gym doesn’t show on your body.

Choosing the right protein powder or supplement feels like a puzzle. Is whey better than casein? Should you focus on carbs too? With so much confusing advice online, it’s easy to waste money on the wrong products. You want to build solid weight, not just fat, and that requires the right fuel.

This guide cuts through the noise. We will show you exactly what kind of protein works best for packing on serious, healthy weight. You will learn which types to look for and how to use them effectively with your training plan.

Ready to stop guessing and start growing? Let’s dive into the best protein strategies for gaining weight the right way.

Top Protein To Gain Weight Recommendations

Bestseller No. 1
Dymatize Super Mass Gainer Protein Powder, Gourmet Vanilla, 52g Protein, 1g Creatine, 1280 Calories, 10.7g BCAAs, 245g Carbs, Contains Whey Protein Powder, Isolate, and Casein (8 Servings)
  • 52G PROTEIN: Every servings contains 52g of protein to support muscle growth, repair, and recovery. If your goal is gaining muscle size and strenth, then SMG is your perfect workout parther. while recovering from intense workouts and pushing limits in the gym
  • CALORIE-DENSE FORMULA: With 1,280 calories per serving, this weight gainer offers a substantial caloric boost for individuals aiming to gain muscle mass and meet their energy needs
  • ENHANCED WITH CREATINE AND NUTRIENTS: Each serving provides 1g of creatine to support the increase in power and strength you need to maximize training. Plus 14 essential vitamins and minerals, including Vitamin C, E, and calcium, to support overall health and recovery
  • CONTINUOUS GROWTH: Dymatize Super Mass Gainer combines fast- and slow-digesting proteins, like whey and casein, to fuel muscle growth and recovery with sustained protein delivery for long-lasting results for men and women
  • YOUR WAY OF GAINING: Get creative by blending mass gainer into smoothies with fruits, peanut butter, and oats. It’s also perfect for adding to protein bars, cookies, and pancakes for delicious, calorie-packed treats
Bestseller No. 2
Naturade Weight Gain Instant Nutrition Drink Mix, Vanilla ,20.3 Ounce
  • EFFECTIVE WEIGHT MANAGEMENT: High caloric density delivers a substantial 1600 calories per serving. Ideal for athletes, individuals that have difficulty maintaining weight, bodybuilders, or individuals with fast metabolisms, Naturade's Weight Gain is designed to help improve your caloric consumption.
  • BALANCED NUTRITION: Recognizing the significance of comprehensive nutrition, Naturade's weight management formula goes beyond just high-calorie content. It is equally abundant in carbohydrates and protein, providing an ideal blend to energize your muscles, promote lean mass accumulation, and aid in muscle management. Each serving gives you up to 46 grams of carbs and 20 grams of protein, perfectly supplementing your diet for optimal health and performance.
  • NATURAL INGREDIENTS: Naturade's Weight Gain nutrition drink mix is meticulously formulated with purely natural ingredients. We eschew artificial additives, colors, and preservatives to ensure you're only getting the pure goodness that supports your body's natural development. Free from artificial components, our mix presents a holistic and nutritious option for weight management.
  • GLUTEN - FREE: With the belief that quality nutrition should be accessible to all, our Weight Gain drink mix is gluten-free. This ensures that people with gluten sensitivities can safely include it in their diets. Furthermore, it's deliciously vanilla-flavored, offering a delightful taste while adhering to dietary needs and preferences.
  • AWARD WINNING FORMULA: Our Naturade Weight Gain drink mix, honored as the Best Weight Gain Product at the 2023 Vity Awards, delivers a substantial 1600 calories per serving. Packaged in a 20.3-ounce container with 12 servings, it ensures a durable supply for your nutritional needs. Our award-winning, stimulant- and steroid-free product promotes a natural, healthy weight management journey. Embrace the delicious vanilla flavor for an enjoyable and satisfying experience with every sip.
Bestseller No. 3
Naturade - All Natural Weight Gain Drink Mix - Gluten Free, Delicious Taste, 1600 Calories per Servings - Mass Gainer w/Carbohydrates & Protein - Chocolate, 20.3 Ounce (12 Servings).
  • EFFECTIVE WEIGHT MANAGEMENT: Our powder delivers a substantial 1600 calories per Servings. Naturade's Weight Gain is formulated to assist athletes, individuals with fast metabolisms, and those supporting to their calorie management.
  • BALANCED NUTRITION: Recognizing the significance of comprehensive nutrition, our formula goes beyond just high-calorie content. This product offers a balanced mix of carbohydrates and proteins, serving as a great source of energy for your muscles. Each servings gives you up to 46 grams of carbs and 20 grams of protein, perfectly supplementing for optimal health and performance.
  • NATURAL INGREDIENTS: Naturade's Weight Gain nutrition drink mix is meticulously formulated with purely natural ingredients. We eschew artificial additives, colors, and preservatives to ensure you're only getting the pure goodness that supports your body's natural development. Free from artificial components, our mix presents a holistic and nutritious option for weight management.
  • GLUTEN - FREE: With the belief that quality nutrition should be accessible to all, our Weight Gain drink mix is gluten-free. This ensures that people with gluten sensitivities can safely include it in their diets. Furthermore, it's deliciously chocolate-flavored, offering a delightful taste while adhering to dietary needs and preferences.
  • AWARD WINNING FORMULA: Our Naturade Weight Gain drink mix, honored as the Best Weight Gain Product at the 2023 Vity Awards, delivers a substantial 1600 calories per Servings. Packaged in a 20.3-ounce container with 12 Servings, it ensures a durable supply for your nutritional needs. Our award-winning, stimulant- and steroid-free product may supports a natural weight management journey. Embrace the delicious chocolate flavor for an enjoyable and satisfying experience with every sip.
Bestseller No. 4
MuscleTech High Protein Mass Gainer for Men & Women - Clean Protein Powder Shakes for Weight Gain, Muscle Building & Recovery with Creatine Monohydrate - Vanilla Milkshake, 5.15 Pound
  • Superior Gains: MuscleTech 100% Mass Gainer is packed with protein, mass-producing calories, and muscle-fueling creatine. Mixed with skim milk, each serving packs 60g of protein and 1,500 calories. Flavor: Vanilla Milkshake. Approx. 42 scoops per tub.
  • Nutrient-Dense Muscle Fuel: Reach musclebuilding milestones more efficiently. Each 6-scoop serving of our high-quality protein contains 304g of easily digestible carbs, 6.3g of L-leucine, and more than 13g of BCAAS when mixed with 2 cups of skim milk.
  • Maximize Strength Potential: 100% Mass Gainer only uses pure HPLC-tested creatine. Scientific studies have shown that it helps replenish ATP stores in the body for enhanced performance, more muscle and an increase in strength.
  • A Tasteful Experience: For years, the MuscleTech brand has partnered with the world’s top flavor houses to deliver a delightful taste experience in every serving. So when your goals are so close that you can taste ‘em, drink up.
  • Pushing the Limits of Science and Human Potential: MuscleTech’s commitment to research, development, and innovation is the reason we continue to be an elite name for redefining performance through cutting-edge products and high-quality ingredients.
Bestseller No. 5
Optimum Nutrition Serious Mass, Weight Gainer Protein Powder, Mass Gainer, Vitamin C and Zinc for Immune Support, Creatine, Vanilla, 6 Pound (Packaging May Vary)
  • HIGH CALORIE WEIGHT GAINER: More than 1,200 calories per 2-scoop serving
  • 50 grams of blended protein per 2-scoop serving
  • Over 250 grams of carbohydrates per 2-scoop serving
  • 22 vitamins and minerals including Vitamin C, Vitamin D, and Zinc to provide immune support
  • With over 20 vitamins and minerals including Vitamin C and Zinc to provide immune support
SaleBestseller No. 6
Optimum Nutrition Serious Mass, Weight Gainer Protein Powder, Mass Gainer, Vitamin C and Zinc for Immune Support, Creatine, Chocolate, 6 Pound (Packaging May Vary)
  • HIGH CALORIE WEIGHT GAINER: More than 1,200 calories per 2-scoop serving
  • 50 grams of blended protein per 2-scoop serving
  • Over 250 grams of carbohydrates per 2-scoop serving
  • With over 20 vitamins and minerals including Vitamin C and Zinc to provide immune support
  • MORE VERSATILITY: Using an electric blender, add fresh or frozen fruits, peanut butter, nuts, and other calorie dense foods to boost your weight gain potential
Bestseller No. 7
Body Fortress Super Advanced Whey Protein Powder, Strawberry, Immune Support (1), Vitamins C & D Plus Zinc, 1.78 lbs
  • 30G OF HIGH-QUALITY PROTEIN – Each serving delivers 30g of premium whey protein to support muscle growth, strength, and post-workout recovery for fitness enthusiasts and athletes.
  • IMMUNE SUPPORT FORMULA – Fortified with Vitamins C & D and Zinc to help support a healthy immune system while meeting your protein needs.
  • DELICIOUS STRAWBERRY FLAVOR – Enjoy the refreshing, smooth taste of strawberry in a protein shake that mixes effortlessly with water, milk, or your favorite smoothie.
  • CLEAN AND NUTRITIOUS – Body Fortress Whey Protein is low in sugar, gluten-free, and contains no aspartame, making it a great addition to clean, active lifestyles.
  • CONVENIENT 1.78 LB TUB – Perfect for pre-workout fuel, post-workout recovery, or a protein boost anytime to help you achieve your fitness and nutrition goals.
Bestseller No. 8
MuscleTech High Protein Mass Gainer for Men & Women - Protein Powder Shakes for Weight Gain, Muscle Building & Recovery with Creatine Monohydrate - Chocolate Fudge Brownie, 5.15 Pound
  • Superior Gains: MuscleTech 100% Mass Gainer is packed with protein, mass-producing calories, and muscle-fueling creatine. Mixed with skim milk, a serving packs 60g of protein and 1,500 calories. Flavor: Chocolate Fudge Brownie. Approx. 42 scoops per tub.
  • Nutrient-Dense Muscle Fuel: Reach musclebuilding milestones more efficiently. Our high-quality protein contains 305g of easily digestible carbs, 6.2g of L-leucine, and more than 13g of BCAAS when mixed with 2 cups of skim milk.
  • Maximize Strength Potential: 100% Mass Gainer only uses pure HPLC-tested creatine. Scientific studies have shown that it helps replenish ATP stores in the body for enhanced performance, more muscle and an increase in strength.
  • A Tasteful Experience: For years, the MuscleTech brand has partnered with the world’s top flavor houses to deliver a delightful taste experience in every serving. So when your goals are so close that you can taste ‘em, drink up.
  • Pushing the Limits of Science and Human Potential: MuscleTech’s commitment to research, development, and innovation is the reason we continue to be an elite name for redefining performance through cutting-edge products and high-quality ingredients.

Choosing Your Weight Gain Protein Powerhouse: A Buying Guide

Gaining healthy weight takes work, and the right protein powder can be your best friend. This guide helps you pick the best “Protein to Gain Weight” for your goals.

Key Features to Look For

When you shop, check the label closely. You need a powder that truly supports muscle growth and calorie surplus.

1. High Calorie and Protein Count
  • Calories: Look for powders with 500 to 1000+ calories per serving. Gaining weight means eating more!
  • Protein: Aim for at least 40 to 60 grams of protein per scoop. This feeds your muscles after workouts.
2. Carbohydrate Source

Weight gainers need carbs to fuel workouts and restore energy. Good sources include oats, maltodextrin, or simple sugars. Complex carbs provide longer energy.

3. Added Goodies (Micronutrients)

Some powders include extra vitamins, minerals, creatine, or glutamine. These supplements support overall health and faster recovery.

Important Ingredients and Materials

What’s inside the tub matters most. You want quality fuel for your body.

Protein Types
  • Whey Protein Concentrate: This is common and mixes well. It digests at a moderate pace.
  • Whey Protein Isolate: This version has less fat and lactose. It is often more expensive.
  • Casein Protein: This digests very slowly, making it great before bed.
Fat Content

Healthy fats add necessary calories. Look for sources like MCT oil or flaxseed. These fats support hormone production, which is important for muscle building.

Factors That Improve or Reduce Quality

Not all weight gainers are made equal. Some ingredients boost effectiveness, while others just add cheap filler.

Quality Boosters
  • Taste and Mixability: A powder that tastes good and mixes smoothly in water or milk keeps you coming back for more. Poor taste reduces compliance.
  • Digestive Enzymes: Ingredients like lactase or protease help your body break down the large amounts of protein and carbs without causing bloating or stomach upset.
Quality Reducers
  • Excessive Sugar: If the primary ingredient after the protein source is simple sugar (like high fructose corn syrup), the quality decreases. You want nutrient-dense calories, not just empty sugar.
  • Proprietary Blends: Avoid tubs where they hide the exact amounts of specific ingredients in a “proprietary blend.” You should know exactly how much of each ingredient you are consuming.

User Experience and Use Cases

Think about *how* and *when* you plan to use this powder.

Post-Workout Recovery

Use your weight gainer immediately after intense weight lifting. The quick delivery of protein and carbs starts the repair process right away.

Meal Replacement/Snack

If you struggle to eat enough whole food between meals, a high-calorie shake works perfectly as a dense snack. Mix it with milk, a banana, and peanut butter for an ultimate calorie bomb.

Consistency is Key

The best powder is the one you will use every day. If a flavor makes you cringe, you will skip doses, and your weight gain efforts will stall. Read user reviews focusing on mixability and flavor profiles.


10 Frequently Asked Questions (FAQ) About Weight Gain Protein

Q: How much protein powder should I take daily?

A: Start with the recommended serving size on the label. If you are very active, you might need two servings spread throughout the day, but always track your total daily intake.

Q: Will taking this make me fat instead of muscular?

A: This powder provides extra calories. If you use it alongside consistent resistance training (lifting weights), those calories primarily build muscle. If you use it but sit on the couch, you will gain fat.

Q: Is it better to mix this with water or milk?

A: Milk adds extra protein, calories, and healthy fats, which is great for gaining weight. Water makes the shake thinner and faster to digest.

Q: When is the best time to drink a weight gainer shake?

A: The most important time is right after your workout. Another good time is in the morning or between meals when you need extra calories.

Q: Do I need a prescription to buy these?

A: No, protein powders are classified as dietary supplements. You can buy them over the counter at most stores or online.

Q: How long does it take to see results?

A: You should notice changes in strength within a few weeks. Visible weight gain usually starts after 4 to 6 weeks of consistent use and training.

Q: Are there any potential side effects?

A: Some people experience temporary bloating or gas, especially when starting, due to the high volume of protein and lactose. Choosing a low-lactose option can help.

Q: Should I stop using it once I reach my goal weight?

A: You can reduce the amount you take. If you keep training hard, you can maintain your muscle mass by simply eating more whole food calories instead of relying on the supplement.

Q: Does the brand name matter a lot?

A: Brand reputation matters because it indicates quality control. Trusted brands are more likely to use quality ingredients and avoid harmful fillers.

Q: Can vegetarians use these weight gainers?

A: Yes, many weight gainers use whey (dairy-based) or plant proteins like soy or pea. Vegetarians must check the label to ensure it fits their diet.