Best Hardgainer Test 2025

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Last Updated - 26.07.2025

Best Choice

01

Optimum Nutrition

Optimum Nutrition Gold Standard Whey Muscle Building and Recovery Protein Powder With Glutamine and Amino Acids, Double Rich Chocolate, 74 Servings, 2.27kg, packaging may vary

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24% Off
9.9

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Supports Muscle Regeneration and Growth
Suitable for vegetarians
Packaging may vary
High level of whey protein isolate
Enjoy it first thing in the morning and / or after workout
4g Glutamine per serving
24g Premium Whey Protein, (5.5g BCAAs), Low Fat and Sugar

75,77 € 99,99 €(24% Off off)
Value for Money

02

Optimum Nutrition

Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Chocolate, 16 Servings, 5.45kg, packaging may vary

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31% Off
9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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To prepare the Weight Gainer, mix 2 measuring spoons with 710 ml of water or plant milk, add fruit or nut butter for a tasty and high-calorie protein smoothie after exercise or between meals
Source EFSA Journal * 2010;8(10):1811; 2011;9(6):2203; ** 2011;9(7):2303; *** 2011; 9(7):2305
Serious Mass protein powder is available in 6 flavours (banana, chocolate peanut butter, chocolate, cookies and cream, strawberry and vanilla) and contains sweetener
Protein powder formula without added sugar with 25 vitamins and minerals and less than 5 g of fat per serving, plus over 250 g of carbonic hydrates to support muscle regeneration***
Low-fat Mass Gainer with over 1250 calories and 50 g protein per serving to support muscle growth plus* 3 g creatine monohydrate to support performance**

54,99 € 79,99 €(31% Off off)
03

Mammut Nutrition

Mammut Nutrition Crash Weight Gainer Powder Chocolate - 4.5 kg - 518 kcal/shake for weight gain - 80% carbohydrates - 4-component protein - Ideal for endurance and performance athletes

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18% Off
9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Ideal for endurance and professional athletes.
High carbohydrate content with 80% carbohydrates (vanilla).
Contribution to weight gain.
3-component carbohydrate complex and 4-component protein complex.
1410 kcal per 3 shakes.

40,59 € 49,99 €(18% Off off)
04

Weider

Weider Mega Mass 4000 - Weight Gainer Pulver mit 48g Protein & Kreatin pro Portion - Für Muskelaufbau & hohe Kalorienaufnahme - 3kg - Vanille

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29% Off
9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Reich an essentiellen Nährstoffen: Mit wichtigen Vitaminen und Mineralstoffen angereichert, um die normale Stoffwechselfunktion zu unterstützen und die allgemeine Vitalität zu fördern
Premium-Kohlenhydrate & Kreatin: Enthält komplexe, hochwertige Kohlenhydrate und 3g Kreatin pro Portion, um die Leistung während intensiver Krafttrainingseinheiten zu steigern
Kalorienreiche Formel: Jede Portion liefert über 800 kcal, wenn sie mit fettarmer Milch (1,5% Fett) gemischt wird. Perfekt für all diejenigen macht, die effektiv Muskelmasse und ihr Körpergewicht erhöhen möchten
Bewährte Weider-Qualität: Seit über 85 Jahren vertrauen Athleten auf Weider – eine Marke, die für hochwertige Sporternährung steht und dir hilft, deine Trainingsziele zu erreichen und dein volles Potenzial auszuschöpfen
48g Protein pro Portion: Enthält eine Proteinmischung aus 3 hochwertigen Quellen (Milchprotein-Isolat, Whey-Konzentrat und Ei-Protein). Proteine tragen zu einer Zunahme und Erhaltung von Muskelmasse bei

44,89 € 63,35 €(29% Off off)
05

ESN

ESN Massive Weight Gainer, 4000 g FID36687

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9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Protein source: with a serving of 150 g, our weight gainer provides you with 22 grams of protein made from high-quality whey protein powder
Made in Germany: The ESN Massive Weight Gainer is produced in our in-house production in Germany in compliance with the strictest quality standards
Delicious taste: vanilla ice cream or chocolate cream – two excellent flavours with a sweet note and all without aspartame to support your weight gain
CARBOHYDRATE SUPPLY: The ESN Massive Weight Gainer provides you with carbohydrates from natural products such as whole grain rice flour, buckwheat flour or quinoa flour

49,90 €
06

Optimum Nutrition

Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Chocolate, 8 Servings, 2.73kg, packaging may vary

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22% Off
9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Supplied as instant powder. Simply mix with water for a delicious and calorie-rich post-workout drink or take it between meals to promote muscle growth.
Provides calories: promotes muscle mass increase and replenishes the body's glycogen stores.
Packaging can vary: updated look, same trusted quality.
No added sugar. Contains 24 vitamins and minerals per serving.
Muscle-building preparation with 1,250 calories and 50 g of protein per serving and less than 5 g of fat.
Great value for money: Serious Mass protein powder has a high calorie content and contains high-quality protein.

38,50 € 49,99 €(22% Off off)
07

SAM'S

5000 calories per day - Mass Weight Gainer with Whey Protein Isolate Powder - Building Food for Maximum Fast Weight Gain - Muscle Building & Mass Building SAMS Ultra Hardgainer (Vanilla 1050 g)

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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What is special: 100% made in Germany. The weight gain powder is delicious, very easily soluble, quick and easy to prepare. By using the protein source CFM whey protein isolate, the protein/calorie powder is biologically very high quality. The protein calorie powder with over 1057 kcal per shake is considered high calories. The weight gain powder is easily digestible and suitable for maintaining bones, muscle mass and muscle building.
What is included: the weight gainer for gain contains carbohydrates such as isomaltulose, dextrose, maltodextrin, soluble fibre (oligofructose) and the best protein CFM whey protein isolate as the only source of amino acids. In addition, high-quality cream grease powder as an energy carrier. It is free from sweeteners, no sugar (sucrose), gluten-free, no artificial colours, no soy protein and artificial flavours.
What are you looking for: are you looking for a muscle and mass gainer with extra many calories per shake? Our calorie shake is a dietary supplement for quick gain for recovery or weight gain for young and old. SAMS Ultra Hard Gainer is highly caloric, delivers up to 5000 calories a day and ensures healthy fast weight gain and muscle building at the same time. In case of weight problems, it is considered the product for gaining.
Weight gain powder: with Sams Ultra Hardgainer as a mass building shake you can avoid underweight. Sams Ultra Hardgainer delivers many easily digestible calories without fibre for maximum performance and effective mass build-up. Also suitable for calorie deficiency, weight loss, loss of appetite in old age and the resulting physical and mental loss of performance as a high-calorie nutrition (assembly cost).
Application: add 1 serving = 150 g (8 heaped measuring spoons) powder with 600 ml low-fat milk into a bowl and stir. Always put the liquid into the container first and then stir the powder or prepare in the shaker. It tastes even better in whole milk (3.5% fat). For supplementary diet, drink 1-5 servings per day or simply as required the personal required calorie quantity.

34,00 €
08

GEN GERMAN ELITE NUTRITION

Clean Weight Gainer - 3 kg - With Complex Kohlyend Rate & Protein - Ideal for the Mass Phase - Powder for Mass Building and Gaining - Chocolate Flavour

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8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

With extra glutamine, bromelaine and lactase: our gainer has been specifically optimised, with an additional 5 g L-glutamine, which corresponds to a total amount of 17,478 mg glutamine per serving. The formula is complemented by 563 F.I.P. Bromelain and 6,750 FFC lactase units per serving. The combination of bioactive enzymes and high-quality protein makes this shake a thoughtful addition to your diet, more than just a classic mass shake.
With complex carbon ydrates: many mass gainers contain large amounts of sugar and inferior fillers, the Clean Mass Gainer relies on quality. With high-quality proteins, complex carbohydrates from oats and rice flour as well as enzymes, this shake offers an ideal foundation. Each serving provides 561 kcal, including 86 g of high-quality carbohydrates with only 4 g sugar, 37 g protein and only 6 g of fat."
High protein: our gainer relies on ultra-filtered whey protein concentrate from German pasture farming. With 37 g of high-quality protein per shake, it offers a first-class source of protein.
From athletes for athletes: Our range at German Elite Nutrition offers you a variety of dietary supplements, made from high-quality raw materials in EU-certified companies that support your sporting goals. If you are not satisfied with a product or need advice, we are always there for you.
Delicious taste: vanilla, chocolate or hazelnut nougat, three delicious varieties with a pleasant sweetness, without aspartame or questionable additives.

44,99 €
09

OLIMP SPORT NUTRITION

Olimp Gain Bolic 6000 Mass Gainer Supplement, 3500 g, Chocolate Flavour

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13% Off
8.3

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Three protein sources (without plant proteins) that contribute to an increase in muscle mass and its maintenance
The formula supplemented with creatine and taurine
A blend of dextrose and maltodextrins with variable uptake kinetics that delivers energy

39,90 € 45,99 €(13% Off off)
10

ALPHAPOWER FOOD

Alphapower Food Bulk Whey Weight Gainer Mass 8,500 Hardgainer Extreme Mass Building Calories Loaded Mega Muscle Building Protein Carbohydrate Powder Shake 5 kg 7 kg Chocolate Creatine BCAA 4000 7000 2000

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8.0

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Highly soluble easy to mix with delicious flavour.
Creatine complex 7500 mg (creatine citrate,- tri malate,- phosphates) complete amino acids profile with 18 amino acids BCAA complex 6600 mg arginine and alpha ketoglutarate (AAKG) 3300 MG MCT oil 9.3 g.
Vegetarian nutrient and calories loaded, multi-phases - carbohydrate (highly molecular plant starch vs. dextrose) whey protein, micellar casein protein - powder - shake.
Performance, Mass - Whey, Muscle Weight Gainer 8,500 - Mega, Muscle Mass & Muscle Building (1) - Protein, Carbohydrates - Powder - Shake for Hardgainer in mass phases, strength phases and building phases.
Mass Muscle charging matrix: Substantial facts per daily recommended consumption*. Extremely high dosage, high quality - calories loaded and super charged.

35,98 €