Best gainer 2025 - You will definitely gain volume with this one!

Benefits:

• Unrivalled ingredients
• High quality protein
• Minimum simple carbohydrates
• Plenty of vitamins and minerals
• Excellent taste and solubility

Disadvantages:

• Higher price
• Only 14 or 30 servings per pack (if you follow the manufacturer's DD)

Anyone who claims that the gainer is just overpriced sugar should take a look at the ingredients of Reflex One Stop XTREME, which we think is rightfully the best on the market. It only contains 2 grams of simple sugars per serving, but it does contain 70 grams of complex carbohydrates and 55 grams of protein, which is impeccable. If you are unable to meet your caloric intake needs from food alone, this gainer is a great solution. Taste-wise, you'll appreciate that it's not unnecessarily over-sweetened and worksYou can prepare it in no time at all, for example on your way home from the gym.

Who makes it:

Reflex Nutrition has been on the market since 1996, and from the very beginning they have built all of their supplements on quality first. All supplements undergo independent testing for banned substances and the actual protein content of each batch.

All of the company's manufacturing technologies and pharmaceutical facilities are of the highest standard and therefore can be it is no exaggeration to say that Reflex Nutrition is the absolute top among sports nutrition manufacturers.

In one serving (145g) you will find:

• 70g of complex carbohydrates, which have a low glycemic index and are therefore absorbed into the body more slowly.
• 55g of easily digestible protein, which is very important for building muscle mass after training.
• Vitamins A, D, E, C and B for proper metabolic functioning, immune system and better digestion
• Digestive enzymes and lactobacilli for better digestibility
• 5g of creatine to help you gain muscle mass and improve performance

And many other active ingredients that you will find in our catalogue at Reflex One Stop XTREME.

Dosage:

The manufacturer states that one serving of One Stop Extreme is 145g.

However, we would recommend reducing the dosage and taking only half the dose for some time. Should you not gain weight even when taking this dose, the dosage can be additionally adjusted to suit your own needs.

Final summary:

In our opinion, One Stop Extreme is the best gainer on the market and contains exactly what an ideal gainer should contain.

The downside may be the slightly higher price and the few doses in the package. However, if you want to gain mass and you really want to buy a carbohydrate supplement, it is definitely worth investing in a quality one.

Edit 06.01.2020 - We have just released a separate review on Reflex One Stop Xtreme.

Benefits:

• Five types of protein with great absorption
• Great natural taste
• Protein makes up almost 50% of the product
• Easy to prepare
• Well-fed

Disadvantages:

• Higher price compared to competitors

If by chance you weren't impressed with the previous Reflex One Stop XTREME, you won't go wrong with Pentha Pro Complete. In this case, protein makes up 50% of this product right away, and both the chocolate ice cream and vanilla ice cream variants are great in terms of taste. They taste completely natural, they are easy to prepare and, to make matters worse, after trainingYou'll be really well fed, so you can go longer without eating.

Who makes it:

Behind this product is the well-known Czech company Prom-In, which is especially famous for its great products available at a relatively reasonable price. That's why their products regularly end up at the top of our independent comparisons - you can see for yourselfyou can see for example in our ranking of the best whey proteins or in our comparison of pre-workout products without stimulants.

In one serving (50 grams) you will find:

• 15 grams of carbohydrates, which consist primarily of sweet potato powder, maltodextrin, waxy corn starch and glucose
• 23 grams of protein from five different sources ranging from CFM whey concentrateand isolate to hydrolyzed whey protein, egg albumin and micellar casein
• Opti-7-Digest enzyme blend
• Added vitamins, minerals, amino acids and probiotic cultures

Dosage:

The manufacturer recommends the use of 50 grams of product per dose, thus a large packet of product contains 50 doses. The Gainer is also equipped with a 25 gram measuring cup, so that the dose can be freely adjusted according to your own caloric preferences. However, considering that in the recommended fifty grams you will find nearly 200 kcal and 23 grams of protein, we think this is quite sufficient for many people.

Final assessment:

If you're looking for a somewhat unconventional gainer that features a great formula, easy preparation, and good taste, we definitely recommend reaching for Pentha Pro Complete Natural. However, the minor drawbacks are that only the strawberry flavor is currently available and you'll also have to pay a little extra for this product (as with all really good quality gainers).

Benefits:

• 6 different protein sources
• A range of honest ingredients
• Relatively reasonable price

Disadvantages:

• Taste-wise, it doesn't impress too much
• Not everyone is looking for protein from chicken, cattle or salmon

If you're tempted by a non-traditional supplement containing real food, MRE is a really good choice. Its base consists of 75 grams of carbohydrates (among others. from oat flour and sweet potato powder) and 47 grams of protein from sources such as chicken protein, pea protein or the not-so-traditional salmon protein. The taste of the product, however, despite the atypical composition is not bad at all, the gainer is easily dissolves without any problems and if you adjust the dosage to half, the price of the product is also very pleasant. So, MRE definitely makes a good impression on us and we recommend trying it out.

Who makes it:
The company behind this product is the American company Redcon1, which is not very popular here, but in the United States it is really popular. In their repertoire you can find a variety of quality supplements from pre-workouts to proteins to various fat burners. At our site you might have come across, for example, a review of the Redcon1 Total War pre-workout, which we also included in our comparison of the best pre-workouts on the market after trying it out.

In one dose (130 grams) you will find:

• 75 grams of carbohydrates, of which only 5 grams are simple carbohydrates. These include oat flour, sweet potato powder and pea starch, among others.
• 47 grams of protein, with the main sources being beef protein isolate, pea protein, protein from brownrice protein, chicken protein, egg albumin, and not-so-traditional salmon protein
• The addition of vitamins, dried fruit as well as MCT powder and coconut water powder

Dosage:
In this case, we dare say that the dosage recommended by the manufacturer is slightly exaggerated, as 130 grams of the product is equivalent to about 510 kilocalories. This is the serving size to think about if you are looking for a substitute for a largelarge meal because, for example, you can't keep up at work or can't eat lunch. However, it doesn't make much sense to have such a large portion of calories after a workout, for example, so we think it's sufficient reduce the recommended 4 scoops of the product to only 1.5 to 2 scoops, which will also save you money.

Final assessment:
A relatively unusual product that relies on an interesting combination of plant and animal proteins and offers a rather interesting taste (which is not too bad considering the protein sources in the product). If the recommended dosage is followed, a single serving could come out to well over 60 crowns, which of course would be really high. However, since we consider even less than half a dose to be sufficient, we dare say that even the price in this case the product is not bad and if you want to try it, we can definitely recommend it.

Benefits:

• Sophisticated formula
• Use of quality ingredients
• Seamlessly replaces a full meal
• Great taste
• Wide choice of flavours

Disadvantages:

• Quite high price
• Only 20 servings per pack

Clean Meal is a bit more price-conscious supplement, but definitely worth a try from our perspective. It's available in a few different flavors, all of which taste good, and we also have to appreciate that this gainer is wonderfully filling. One serving contains 18 grams of carbohydrates (from both quinoa and Swedish oats) and 28 grams of protein from a high-quality protein isolate. If you don't mind paying extra for a quality gainer, Clean Meal is a great choice.

Who Makes It:
Kaged is a great supplement manufacturer that prides itself on healthy yet quality products where functionality is an absolute priority. You can choose from a whole repertoire of different supplements from hydration products to fat burners and pre-workouts to quality gainers or excellent proteins.

In one serving (63.3 grams) you will find:

• 18 grams of carbohydrates, of which only one gram is accounted for by simple carbohydrates. The carbohydrate sources are high-quality quinoa and Swedish oats.
• 28 grams of protein represented by whey protein isolate
• 4.5 grams of fat represented by, among others, medium chain triglycerides from coconut oil
• 21 organic vitamins and minerals derived from real fruits and vegetables such as broccoli, spinach, chlorella or sunflower seeds

Dosage:
Clean Meal is available in three different flavors and each is soldThe Snickerdoodle flavor comes in a different size package (1172 grams).whereas Chocolate and Peanut Butter come in a 1266 gram pack) and accordingly the recommended dose varies, which is either 58.6 grams or 63.3 grams. Either way, this should always be represented by two scoops. Meanwhile, one serving contains 240 kilocalories with the above macronutrient values, which for us is also for us and for many ordinary athletes there is no need to adjust this dosage.

Final assessment:
The only downside to this product is probably the higher price. One pack contains only 20 doses and at the time of writing this review it costs . This means that one dose costs over 40 crowns, which is really a lot in our opinion. While you do get a high quality isolate enriched with quality carbohydrates from quinoa and oats, buying such a product is still not exactly cheap. If you don't mind paying extra for quality, this is definitely a good choice. However, when you factor in the price, other products may work out a little better.

Benefits:

• High quality gainer
• Minimum of simple sugars
• Excellent amino acid profile
• 20 minerals and vitamins
• Good price

Disadvantages:

• Only 18 servings per pack (if you follow the manufacturer's DD)
• Too many calories per serving for the average exerciser
• Minimum fiber and creatine

Instant Mass Heavyweight is a slightly reduced version of the winning One Stop Xtreme, contains a few less grams of creatine, and also offers slightly lessless protein, but actually our impression of this product is still quite good and we believe it will find its customers. It still has a low simple carbohydrate content and is a great choice for anyanyone who wants a quality gainer for little money that isn't really just overpriced powdered sugar.

Who makes it:

Reflex Nutrition has been on the market since 1996, and from the very beginning they have built all of their supplements on quality first. All supplements undergo independent testing for banned substances and the actual protein content of each batch.

All of the company's manufacturing technologies and pharmaceutical facilities are of the highest standard and therefore can be it is no exaggeration to say that Reflex Nutrition is the absolute top among sports nutrition manufacturers.

In one serving (300g) you will find:

• 219g of complex carbohydrates, which have a low glycemic index and are therefore absorbed into the body more slowly.
• 60g of easily digestible protein, which is very important for building muscle mass after training.
• 3g of creatine to help you gain muscle mass and improve performance
• 1g of glutamine, which improves immune system function and muscle recovery after training
• High levels of minerals and vitamins that are essential for metabolic processes in the body

And many other active ingredients that you will find in our catalogue at Reflex Nutrition Instant Mass Heavyweight.

Dosage:

The manufacturer states that one serving of Instant Mass Heavyweight is 300g. Due to the excessively high calorie content, we would recommend (especially for natural exercisers) to reduce the dose to a third.

Should you still not gain weight while taking this dose, the dosage can be additionally adjusted to suit individual needs.

Final summary:

Instant Mass Heavy Weight is considerably cheaper than the winner of our ranking, but unfortunately this can be seen in the quality of the product.

The benefit remains the low simple carbohydrate content, but 1g of glutamine and 3g of creatine in a 300g serving is already doesn't sound too good, because ultimately you won't feel the effects of such small doses.

Still, this gainer is a great choice for all exercisers who want to save money on supplementsbut at the same time don't want to fill up on something with too much simple sugars.

Benefits:

• High in complex carbohydrates and quality protein
• Contains both creatine and glutamine
• Relatively well priced

Disadvantages:

• Only 16 servings per pack (if you follow the manufacturer's recommended dosage)
• 20g of simple sugars per serving
• Only one pack size

Who makes it:

Optimum Nutrition is one of the most trusted and popular supplement manufacturers in the world.

Since the company's inception in 1986, they have based their products on the highest quality Their products have been recognized with many prestigious awards.

In one serving (334g) you will find:

• 252g of complex carbohydrates, which have a low glycemic index and are therefore absorbed into the body more slowly.
• 50g of easily digestible protein, which is very important for building muscle mass after training.
• 1g of creatine to help you gain muscle mass and improve performance
• 0.5g of glutamine, which improves immune function and muscle recovery after training
• Vitamins and minerals that are essential for metabolic processes in the body

And many other active ingredients that you will find in our catalog at Optimum Nutrition Serious Mass.

Dosage:

The manufacturer states that one serving of Serious Mass is 345g. Due to the excessively high calorie content, we would (especially for natural exercisers) recommend reducing the dose to a third.

Should you still not gain weight while taking this dose, the dosage can be additionally adjusted to suit individual needs.

Final summary:

Gainer Serious Mass offers a good formula at a good price.

It contains high amounts of complex carbohydrates, quality protein, vitamins and minerals. It is available in 4 different flavors that are really well balanced in taste.

So if you are looking for an effective top gainer that you will enjoy, Serious Mass is the right solution.

Benefits:

• Gainer made from quality ingredients
• Contains no artificial sweeteners or inactive ingredients
• One serving is only 100g (others have a serving size of 300g or more, which we consider unnecessary)
• It is available in 4 great flavours

Disadvantages:

• Contains over 25g of simple sugars per serving
• Only 20g of protein per serving
• Zero fibre content

Who makes it:

MyoTec was formed by the merger of a leading German sports nutrition distributor with a spand their main credo is quality, precision and honesty.

More than 200 qualified professionals and employees are involved in the development and production of each product.

In one serving (100g) you will find:

• 68g of complex carbohydrates, which have a low glycemic index and are therefore absorbed more slowly into the body.
• 20g of easily digestible protein, which is very important for building muscle mass after training.
• The 10 most important vitamins and minerals that are essential for the metabolic processes in the body

And many other active ingredients that you will find in our catalogue at MyoTec Royal Mass.

Dosage:

In the case of the Royal Mass gainer, we recommend following the dosage specified by the manufacturer. So take 100g of the product in one dose.

Final summary:

Royal Mass is finally a gainer created by its composition for the average exerciser who wants to gain weight.

You will not get over 1000 kcal, but "only" 370 kcal, which I personally consider to be the optimal post-workout dose for a natural exerciser. The disadvantage is the relatively high content of simple sugars, which is however negated by the absence of artificial sweeteners.

At the same time, it also contains a minimum of lactose, so for those of you who want to avoid it, Royal Mass is an ideal choice.

Benefits:

• High-quality nutrients
• Excellent value for money
• Amazing flavours

Disadvantages:

• Contains thickeners and flavorings

Who makes it:

LevroLegendary Mass is made by a company very closely associated with one of the best bodybuilders in history - Kevin Levron.

They specialize primarily in powerful gainers, effective fat burners as well as premium pre-workout stimulants. The most important criterion is, of course, quality, which is why you won't find any ineffective products in this company's offer.

In one serving (200g) you will find:

• 138g of complex carbohydrates, which have a low glycemic index and are therefore absorbed into the body more slowly.
• 42g of easily digestible protein, which is very important for building muscle mass after training.

And many other active ingredients that you will find in our catalog at Kevin Levrone LevroLegendary Mass.

Dosage:

The manufacturer recommends taking 200g of product in a single dose, which is optimal for more advanced and heavier exercisers.

If you are just starting to exercise or are under 80kg, we recommend taking half the dose.

Final summary:

LevroLegendary Mass is a really high quality gainer that contains the ideal amount of protein and compex carbohydrates and only a minimal amount of simple ones.

If you are looking for the best volume gainer, LevroLegendary Mass is the right choice.

Benefits:

• Over 66 servings per pack
• Great value for money
• Premium digestibility

Disadvantages:

• High in simple sugars
• Only 14g of protein per serving
• Flavours are very oversweetened

Who makes it:

Extrifit has been on the market since 2007, and in that time has grown to become the leading sports nutrition manufacturer in the country. All of the supplements offered are specifically tailored for all strength athletes and bodybuilders. The company's vision is to produce supplements that will effectively support the growth of muscle mass and strength and effectively fight subcutaneous fat.

All the supplements are tested by sponsored athletes - the absolute top of the sport - before they are launched. Vojtěch Koritenský, Tomáš Kašpar, Vlastimil Kužel and others.

In one dose (45g) you will find:

• 25g of carbohydrates, which have a low glycemic index and are therefore absorbed into the body more slowly.
• 14g of easily digestible protein, which is very important for building muscle mass after training

And many other active ingredients that you will find in our catalogue at Extrifit Go Pro.

Dosage:

When taking the Go Pro 30 supplement, we recommend sticking to the dosage specified by the manufacturer - that is 45g. This dose will provide you with all the necessary nutrients after your workout and does not contain unnecessarily high amounts of calories.

Final assessment:

Despite the high content of simple carbohydrates, Go Pro 30 is a very digestible gainer suitable for gaining muscle mass and volume. Its price is very good if you consider that the gainer lasts for 66 servings.

We would therefore recommend it especially to students who do not have enough money for a high qualitymore expensive supplements, but at the same time want quality.

Benefits:

• Quality ingredients
• Good price
• 50 servings per pack
• 3 delicious flavours

Disadvantages:

• Only 7.5g of protein per serving
• Manufacturer does not list simple carbohydrate content

Who makes it:

Lean Mass is manufactured by the seasoned company Prom-IN, which has been on the Czech market since 1976.

Their products have undergone many reforms to suit all athletes and contain no unnecessary or ineffective substances. In the sales you can get all the products of this company for really great prices.

In one dose (30g) you will find:

• 20g of carbohydrates, which have a low glycemic index and are therefore absorbed into the body more slowly.
• 7.5g of easily digestible protein, which is very important for building muscle mass after training.
• 0.9g of creatine to help you gain muscle mass and improve performance
• 0.6g of glutamine, which improves immune function and muscle recovery after training

And many other active ingredients that you will find in our catalogue at Prom-IN Lean Mass 25.

Dosage:

The prescribed dosage from the manufacturer is 30g. However, for Lean Mass (unlike the other products in this ranking) we recommend to increase the dosage. The caloric value of one dose of the gainer is roughly the same as that of one scoop of CFM Evolution protein.

So if you are looking for the right gainer for volume, you need to double the dosage.

Final assessment:

Lean Mass is a great gainer at a good price, you just need to adjust the dosage as we mentioned above.

Reviewers of this product especially praise the smooth digestibility, excellent flavors and quick dissolving and we can't help but agree.

Benefits:

• High-quality ingredients
• Good value for money
• Great flavours
• Good solubility and absorption
• Does not contain aspartame

Disadvantages:

• Protein content in a 50g serving is only 7.5g
• Relatively high amount of simple sugars

Who makes it:

Amix is one of Europe's most respected sports nutrition companies.

Amix is one of the world's most renowned sports nutritionists, and one of the most popular brands in the world, building all its products on quality, which has earned the trust of many professional and amateur athletes. Amix also sponsors the leading Czech bodybuilder Milan Šádek and the great Slovak bikini Timea Trajtelová.

In one serving (50g) you will find:

• 34g of carbohydrates for optimal post-workout recovery and replenishment of glycogen stores.
• 7.5g of easily digestible protein, which is very important for building muscle mass after training.
• 75mg of DigeZyme® multi-enzyme complex for better digestion of the product

And many other active ingredients that you will find in our catalogue at Amix Nutrition CarboJet Gain.

Dosage:

If you weigh between 60-80kg, we recommend you stick to the manufacturer's recommended dosage of 50g.

If you are a heavier athlete, the dosage can be doubled.

Final assessment:

The overall impression of CarboJet Gain is perhaps only spoiled by the low protein content, because 7.5g of protein after a hard workout is really not enough.

Otherwise, the product has perfect digestibility, flawless solubility and amazing flavours.

Benefits:

• Great price
• High quality ingredients
• 66 servings per pack

Disadvantages:

• Artificial flavors

Who makes it:

Extrifit has been on the market since 2007, and in that time has grown to become the leading sports nutrition manufacturer in the country. All of the supplements offered are specifically tailored for all strength athletes and bodybuilders. The company's vision is to produce supplements that will effectively support the growth of muscle mass and strength and effectively fight subcutaneous fat.

All the supplements are tested by sponsored athletes - the absolute top of the sport - before they are launched. Vojtěch Koritenský, Tomáš Kašpar, Vlastimil Kužel and others.

In one dose (45g) you will find:

• 30g of carbohydrates, which have a low glycemic index and are therefore absorbed into the body more slowly.
• 9.5g of easily digestible protein, which is very important for building muscle mass after training.

And many other active ingredients that you will find in our catalogue at Extrifit Hardcore Gain 21.

Dosage:

When taking Hardcore Gain 21 , we recommend sticking to the dosage specified by the manufacturer- 45g.

This dose will provide you with all the necessary nutrients after your workout and does not contain unnecessarily high amounts of calories.

Final assessment:

Gainer Hardcore Gain 21 is an ideal choice as it contains quality ingredients and doesn't cost too much money.

Unfortunately, the big downside is the artificial and over-sweetened flavors that leave a worse impression of the gainer.

Benefits:

• Good composition
• Minimal simple sugars
• Good tasting flavours

Disadvantages:

• High price
• Low protein content per serving

Who makes it:

Nutrend is one of the largest Czech manufacturers of supplements and sports nutrition. It is also a proud sponsor of Czech Olympians - Martina Sáblíková, Jaromír Jágr and others.

Unlike most companies, it does not specialize only in bodybuilding and strength sports, but also in endurance sports. Just from the size and popularity of this company, it can be concluded that it produces supplements of first-class quality.

In one serving (70g) you will find:

• 46g of complex carbohydrates, which have a low glycemic index and are therefore absorbed into the body more slowly.
• 18g of easily digestible protein, which is very important for building muscle mass after training

And many other active ingredients that you will find in our catalogue at Nutrend Compress B.I.G..

Dosage:

When taking Compress B.I.G, we recommend sticking to the dosage specified by the manufacturer- 70g.

This dose will provide you with all the necessary nutrients after your workout and does not contain unnecessarily high amounts of calories.

Final assessment:

Gainer Compress B.I.G is definitely one of the better quality supplements on the market.

You won't find too many simple sugars in it and the flavours are very good. On the other hand, it contains relatively little protein and the price is quite steep.

So if you are hesitant about buying it, we would recommend another product from our ranking.