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Weight Gainers

Check out our best weight gain supplements. Whether you’re trying to increase strength and size, or struggling to gain weight, the most important thing is creating a calorie surplus — taking on more calories than you burn.

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Shop Weight Gainers at Myprotein


Weight gainers are high-calorie supplements designed to help you increase your daily calorie intake efficiently. Packed with protein, carbohydrates, and essential nutrients, these supplements provide a convenient way to fuel your body when whole food alone isn't enough to meet your calorie goals.


Whether you're looking to build size, support your training intensity, or simply need extra calories to maintain your weight, weight gainer supplements offer a practical solution. Available in powder form, they mix easily into shakes that you can take between meals or post-workout.



Who Weight Gainers Are For


Weight gainer powder suits anyone who struggles to consume enough calories through food alone. This includes those with naturally fast metabolisms, busy schedules that make frequent eating difficult, or anyone following an intensive training program that demands substantial energy.


These supplements work particularly well for people new to training who want to build size, as well as experienced athletes looking to maintain or increase their body weight during periods of high activity. If you find yourself losing weight unintentionally or hitting a plateau despite eating regularly, mass gainer supplements can help bridge the gap.



When to Use Weight Gainers


The timing of your weight gainer shake depends on your daily routine and calorie distribution. Many people find it most practical to take their shake between main meals, turning it into an additional calorie boost that doesn't interfere with regular eating patterns.


Post-workout represents another popular timing option, when your body's ready to use those calories and protein for recovery. Some prefer taking their shake first thing in the morning to kickstart their calorie intake, while others use it as a convenient evening option when they've fallen short of their daily targets.



Weight Gainer Benefits


High Calorie Density

Mass gainer powder delivers substantial calories in a single serving, making it far easier to hit high daily calorie targets without having to prepare and eat multiple large meals throughout the day.


Protein Content

Weight gainer supplements contain quality protein that contributes to the growth and maintenance of muscle mass1, supporting your training goals alongside the calorie boost.


Convenient Nutrition

Mixing a shake takes seconds, giving you a portable nutrition source that fits around work, training, or travel. No preparation, no cooking, no washing up.


Balanced Macronutrients

These formulas combine protein, carbohydrates, and often added vitamins and minerals, providing more than just empty calories. You get a rounded nutritional profile in every shake.



Popular Picks


Need serious calories? Weight Gainer Blend delivers over 900 calories per serving with 62g of protein and 142g of carbohydrates, plus added creatine monohydrate. The high-carb formula makes it ideal when you're training hard and need maximum energy intake.



FAQs



What are weight gainers?

Weight gainers are high-calorie nutritional supplements that combine protein, carbohydrates, and often added nutrients into powder form. They're designed to help increase your daily calorie intake when whole food alone isn't practical or sufficient to meet your energy needs.


How do mass gainers differ from protein powder?

Mass gainer supplements contain significantly more calories and carbohydrates than standard protein powders. while protein powder focuses primarily on protein content (typically 20-30g per serving), weight gainer powder might provide 900+ calories with both protein and carbs in each shake.


The higher carbohydrate content in mass gainers makes them suited to those specifically wanting to increase overall calorie intake, whereas protein powder serves those focusing mainly on protein supplementation.


How much weight gainer should I take daily?

Most people take one to two servings daily, depending on their calorie requirements and how much they're eating through whole foods. Start with one serving and assess how it fits within your total daily calorie target.


There's no universal amount that suits everyone. Your activity level, metabolism, current weight, and goals all influence how much you should take.


Can I take weight gainer supplements with other supplements?

Yes, weight gainers work alongside other supplements like creatine, BCAAs, or vitamins. Many people use weight gainer powder as their calorie and protein base, then add specific supplements to address other nutritional goals.


Just check the ingredients list to avoid unnecessary duplication if your mass gainer already contains added vitamins or creatine.


Do I need to exercise when taking weight gainers?

Weight gainer supplements simply provide calories and protein. What your body does with those calories depends on your activity level and training routine.


Taking these supplements without training will likely result in general weight gain rather than targeted muscle development. Most people use them alongside a structured training program.


How should I mix my weight gainer shake?

Add your powder to 400-600ml of water or milk in a shaker bottle, then shake vigorously for 20-30 seconds until smooth. Using milk instead of water adds extra calories and protein if you need them.


Some formulas mix more easily than others. If you find your shake too thick, add more liquid. If it's too thin, use less.


What's the difference between weight gainer supplements and meal replacements?

Weight gainers are designed to add calories on top of your regular meals, while meal replacements are formulated to substitute for actual meals. Mass gainer powder typically contains more calories than a meal replacement to support weight gain rather than weight maintenance.


Think of weight gainers as calorie supplements, not food substitutes. They work best when you're already eating regular meals but need extra energy.


Who developed these weight gainer products?

Myprotein's expert nutritionists developed these formulas, working to create effective high-calorie supplements that balance protein, carbohydrates, and added nutrients. Each product goes through rigorous quality testing to ensure you're getting exactly what's listed on the label.


How quickly will I see results from weight gainer powder?

This depends entirely on your overall calorie intake, training routine, and metabolism. Weight gainer supplements provide the calories, but your body's response varies based on individual factors.


Track your weight weekly rather than daily to see genuine trends. Consistent use alongside proper training and nutrition typically shows measurable changes within 4-6 weeks.


Can I use mass gainers if I'm lactose intolerant?

Check the ingredients list carefully. Some weight gainer formulas contain dairy-based proteins and may not suit those with lactose intolerance, while others use alternative protein sources.


The product specifications on each page will clearly show the protein source used, helping you make an informed choice based on your dietary requirements.

1. Protein contributes to the growth and maintenance of muscle mass.