What are mass gainers?

Mass gainers—also known as weight gainer supplements—are high-calorie protein powders that combine protein, carbohydrates, and essential nutrients to support:

• Muscle growth and recovery
• Caloric surplus for weight gain
• Post-workout replenishment
• Nutritional support for active lifestyles

Who might benefit from taking weight gainers?

A weight gainer protein powder may benefit individuals with fast metabolisms who struggle to gain weight in the form of muscle mass, even with the help of a regular fitness regimen. They’re ideal for athletes in bulking phases and those who need help reaching a calorie surplus.

What should I look for in a mass gainer protein powder?

When choosing the best mass gainer for your goals, consider these key factors:

Protein Content

Gainer products usually have around 20 to 50+ grams of protein per serving, often from whey, casein , or plant-based sources like pea protein.

Carbohydrates & Calories

Mass gainers typically contain higher-carb content to help fuel workouts and promote weight gain. Choose a formula that aligns with your dietary needs—some offer lower-carb options for lean bulking.

Added Nutrients

Many gainers include vitamins, minerals, creatine, and digestive enzymes to support overall wellness and nutrient absorption.

Dietary Preferences

If you're following a restrictive eating plan or have food allergies or sensitivities, look for a formula that fits your diet. Manufacturers offer gluten-free mass gainer solutions, dairy-free mass gainer products, vegetarian/vegan options, and more.

Flavor

Enjoy classic gainer protein powder flavors like chocolate and vanilla, or go unflavored for custom blending. Even sugar-free mass gainers can taste great!

Can I use a mass gainer as a meal replacement?

While not intended to act as meal replacement, mass gainers can supplement meals or serve as a high-calorie snack between meals.

How often should I take a mass gainer?

The right amount and frequency per day will vary by individual. Some people take it once or twice daily—post-workout and/or between meals. Follow the label instructions for intended use.

Where can I buy mass gainer powder?

The Vitamin Shoppe is your source for mass gainer products. The filter menu accessible on this page allows you to shop by brand, flavor, dietary needs, and more, so you can quickly find the ideal product for your needs.