Top 5 Weight Gainers for Skinny Guys

If you are looking for the best weight gainer for skinny guys, you came to the right place. We have tested numerous weight gainers on the market and created a top 5 list just for you. Before we get started, let’s address the significance of being underweight. Not being able to gain weight is considered a luxury by many people. The CDC estimates that approximately 70% of adults in America are overweight and 40% are considered obese. With so many people being overweight, it seems silly that someone would be worried about not being able to gain weight. According to the CDC only 1.7% of American adults are considered underweight. For that 1.7% there are health concerns as well as other reasons why packing on a few pounds is necessary.

Why Skinny Guys Want to Gain Weight

Being underweight is not healthy. It also is not ideal if you are an athlete or a professional in a field that is physically intense. If you play a physical sport such as basketball or football, being underweight can present many problems. In the professional world, a lot of jobs require a level of strength that simply can not be acquired if you are underweight. You may also want to gain weight for personal reasons. You may want to look muscular when you go to the beach during the summer or you may be tired of getting bullied by people bigger than you. Whatever the reason is, there are some great options for you to put on the mass you need. If that is what you are looking for, listed below is our top 5 list of weight gainers for skinny guys.

#1 - Serious Mass

If you are just trying to pack on as much size as possible, Serious Mass is the number one mass gainer for sheer weight gain. Made by Optimum Nutrition, this weight gainer is packed with 50g of protein and 3g of creatine monohydrate per serving size. Where this mass gainer dominates compared to other weight gainers, is carbs and calories. One serving of this monster has 252g of carbs and 1,250 calories. If you are having trouble gaining weight, you won’t anymore after taking Serious Mass. The only thing that will stop you is commitment.
Standard shaker bottles usually aren’t big enough to hold a full serving. If you have any large souvenir cups from a sporting event or a theme park, now is the time to put it to use. This product comes in 5 different flavors including Banana, Chocolate, Chocolate Peanut Butter, Strawberry, and Vanilla. You can buy a 6lb pack or a 12lb pack. The best value is the 12lb pack at about $2.87 per serving.

Skinny Guys Need to Take 2 Scoops

When you take Serious Mass, you are going to be tempted to just take 1 scoop instead of the suggested serving size of 2. When you see the powder in the blender or shaker bottle you are going to wonder how it is possible to consume that amount of protein at once. Understand that if you cut the serving size in half, you won’t gain weight as fast because the numbers have been cut in half. If you choose to do it this way, you can just take two per day instead of one. Be sure to take at least one shake at night before bed. These shakes are not meal replacements, Take them in addition to your regular meals.

Serious Mass does not taste amazing. It isn’t absolutely horrible and you can add a scoop of peanut butter to add some taste and extra calories. If you do the full 2 scoops make sure you mix it well or it can taste chalky. At the end of the day, we put Serious Mass as our best weight gainer for skinny guys because it gets the job done. It does exactly what the name says, it puts on some serious mass.

Optimum Nutrition Serious Mass Weight Gainer Protein Powder

Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.

#2 - Mass Tech Extreme 2000

Mass Tech is a weight gainer product made by America’s number one supplement company, MuscleTech. It is designed for anyone who is trying to gain an extreme amount of weight, hence the name Extreme 2000. There are three different serving recommendations for this product, 3 scoops with water, 6 scoops with water, and 6 scoops with milk. If you take the largest serving size you can get up to 80g of protein and 474g of carbs and 2,270 calories. These numbers are simply jaw dropping. If you take on the challenge of using this weight gainer for 18 straight days, you won’t have to worry about being skinny for long.

Skinny Guys Need a Souvenir Cup for This Monster

1 serving size of Mass Tech calls for 20 oz of water or milk so you won’t be able to use a regular shaker bottle or cup. Just like Serious Mass, you will need something a lot bigger to hold a full serving. This product only has two different flavors, Triple Chocolate Brownie and Vanilla Milkshake. Both flavors are great although Chocolate has the highest rating according to other review sites. Mass Tech comes in a 22 lb tub and costs around $5.22 per serving.

The amount of carbs and calories in Mass Tech are going to make it really hard for you to maintain your regular diet. For a weight gainer to work properly it needs to be a supplement to your current routine so you will have to fight to eat the same amount as usual. It is recommended that you take weight gainers at night before bed. When you do this, you might find that you want to eat breakfast later or not eat it at all. You can’t let this happen. Gaining weight is not a walk in the park. You are forcing your body to grow so it is going to be a lot of work.

Mass Gainer Protein Powder | MuscleTech Mass-Tech Extreme 2000

Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.

#3 - Dymatize Super Mass Gainer

Dymatize markets this product as a great way to gain lean mass. Oftentimes when someone is underweight and they see lean mass being presented they want to stay away from it because they think they are already lean. Regardless of what it says, this product has the numbers to help you put on a lot of weight. One serving has 52g of protein, 242 carbs, and 1280 calories. There is also 1g of creatine thrown in there to boot. Creatine and protein together is just the combination you want for weight gain. This is a great protein for gaining weight and if you take it consistently you won’t have a problem packing on a few pounds. You won’t be able to fit a full serving in a shaker bottle. As you can tell this an ongoing trend with the mass gainers on this list. If you use a regular size cup you can just drink it and then you will have to refill the cup a little less than halfway to finish up. You can get this weight gainer in Cookies and Cream, Gourmet Vanilla, or Rich Chocolate. The go to flavor for weight gainers is usually Chocolate but all of these flavors are good. You are looking at paying around $3.62 per serving with Super Mass Gainer which falls right in the middle of what you can expect to pay for a good one.

Best Tasting Weight Gainer for Skinny Guys

Super Mass Gainer actually tastes pretty good so it will be much easier to take it than something like Mass Tech Extreme 2000. This has a lot to do with the fact that the serving size isn’t as large and it isn’t as concentrated. This product is on par with Serious Mass and is similar when it comes to how easy it is to consume. The reason Super Mass Gainer is #3 is because it is a little more expensive and it doesn’t have the raw numbers that Mass Tech has. If you wanted to make up for lack of serving size compared to a more daunting product like Mass Tech you could take one of these shakes in the morning when you wake up and again at night. That would help you catch up with numbers and Super Mass Gainer tastes good enough that you could pull it off. This would be the best weight gainer for skinny guys if it was based on taste alone.

Dymatize Super Mass Gainer Protein Powder

Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.

#4 - True Mass

True Mass is a great weight gainer for someone who doesn’t want to go overboard with hundreds of carbs and an insane amount of calories. It is considered a mid-level mass gainer because it is not designed to pack on as much mass as possible but it is still designed for gaining weight. True Mass is still high in protein with 48g per serving. You get 87g of carbs and 700 calories. If you want to gain weight but you want it to be lean, this is a great product for you.

Best Weight Gainer for Skinny Guys Without a Blender

You still need a blender to mix this weight gainer, but if you were in a pinch you could probably get by without one here and there. Unlike the previously listed products this one is extremely easy to mix and is easier to consume because it isn’t as thick. The directions say to mix it with 16 oz of water so it isn’t nearly as thick as most weight gainers. Flavors include Chocolate Milkshake, Strawberry Milkshake, Cookies and Cream, and Vanilla Ice Cream. If you buy the 5.8 lb tub you can get it for around $3 per serving. True Mass tastes very good, especially compared to other weight gainers. This should be expected however since it has a lot less in it. You will be able to use a shaker bottle with this product and maybe even drink it out of a regular size cup. If you are really trying to gain weight, it is recommended you take one of these shakes twice a day. Taking one will help but as good as it tastes you can easily do two if you are truly committed to putting on mass.

BSN TRUE-MASS Weight Gainer, Muscle Mass Gainer Protein Powder

Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.

#5 - Carnivore Mass

Coming in at number 5 on the list is Carnivore Mass. This is a really good weight gainer and falls into the mid-level mass gainer similar to True Mass. You don’t have to go through the roof with carbs and calories with this product since it only has 125g of carbs and 710 calories. For a mass gainer, that isn’t very high but you still get 50g of protein. Carnivore Mass is a great option for someone who wants to gain lean mass quickly. As far as mixing is concerned, you still want to use a blender for this product. It tastes good and you don’t want to jeopardize that by not mixing it good enough. The last thing you want to taste is a chunk of powder when you are taking one of these shakes. A regular serving size is 4 scoops with 16 oz of water. If you want to add some calories you can always mix it with milk too. Chocolate Peanut Butter is the best flavor but you can also get Chocolate Fudge, Strawberry, or Vanilla Caramel. A 6 lb tub gives you 14 servings and puts you right around the $3 per serving mark.

Great Weight Gainer for Post Workout Shake

Another thing you might like about Carnivore Mass is it is loaded with Creatine and BCAA’s. You can take this shake right after a workout and it is great for muscle recovery. If you choose to do this you might not want to eat anytime soon or you might push your meals back a few hours. Whatever you decide to do just remember this is not a meal replacement, you need to eat the same amount as usual.

MuscleMeds Carnivor Mass Anabolic Beef Protein Gainer

Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.


Our list consists of three different levels of weight gainers. You have different ranges of carbs and calories so you can decide just how fast you want to gain weight. If you just want to gain as much weight as possible as soon as possible something like Mass Tech might be best for you. Serious Mass and Super Mass Gainer would be a good medium option for someone who wanted to take a shake once per day and not feel like it was a total grind to get one down. Finally True Mass and Carnivore Mass are the easiest to take and might be a good option for someone who wants to gain weight but has never taken a mass gainer before. Ultimately, all of these products will get the job done when it comes to packing on some pounds.
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