The Best Lean Mass Gainer To Try in 2021: My Reviews

(Last Updated On: May 28, 2021)

As you train, your goal is usually to build muscle without adding too much fat. The whole point of a good lean mass gainer is to help you do this by adding carbohydrates and proteins to your diet.

These will give you the necessary energy to build muscle, but depending on your body type, you’ll need to figure out the right one.

Why Lean Mass Gainers?

If you want to build muscle, you need both protein and energy. That’s why mass gainers have both proteins and carbohydrates to help you find the balance between fat and muscle.

There’s a lot of variation though. Some of you are hardgainers, so it’s tough to put on weight, meaning you’ll need more carbohydrates.

Others however are the complete opposite, and end up putting on too much fat thanks to your body type or age. Luckily however, there are mass gainers for both types so you can put on muscle rather than fat.

Best Lean Mass Gainer

Regardless of your body type, there are a lot of options out there for you. All that you need to do is choose the right one.

Pro Gainer, Double Chocolate

Pro Gainer delivers a high amount of calories from 7 sources of protein. You’ll get complex carbohydrates, dietary fiber, digestive enzymes, vitamins, minerals, and more, just from a bit every day.

Why It’s Popular
– Breaks up well in water
– Tastes like chocolate without making you feel bloated, heavy, or too full after
– There’s a great ratio of carbs, vitamins, and minerals

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– Measurements are a bit off; one scoop is not a full serving
– It may take you a little longer to make an actual shake
– The issues with serving size are the most noted

Optimum Nutrition 100% Whey Gold Standard

If you want to either maintain or increase lean muscle mass, Optimum Nutrition is packed with whey proteins just for that purpose. Mix it up easily and enjoy the vanilla flavoring.

Why It’s Popular
– The flavor isn’t too sweet or cloying, so you can have it day after day
– The protein here comes straight from the manufacturer
– The whey proteins absorb more directly into your body

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– Some have had difficulty with digestion
– The formula may no longer be natural
– Quality control has been an issue

CytoSport Muscle Milk Lean Muscle Protein Powder

Muscle milk may sometimes seem suspicious, but CytoSport claims to grow muscle faster than usual gainers. Without any fatty acids in it, proteins and amino acids should be reserved specifically for muscle growth.

Why It’s Popular
– Works great with milk or water, and tastes good too
– There’s a nice blend of proteins and amino acids
– It’s a great recovery shake thanks to the sugar in it

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– Contains more sugar and fat than other protein supplements
– It’s not necessarily a weight gainer
– It only seems to work really well if you’re also implementing it as a replacement for some meals


TRUE-MASS, Chocolate Milkshake

6 premium proteins are contained in True-Mass, including carbs, BCAA, and fibers. As you take in 45 grams of proteins per serving, your shake should be rich and creamy at the same time.

Why It’s Popular
– It tastes great, and doesn’t even have an aftertaste
– It really provides you proper energy to work out
– The macro and micro nutrients are perfect for gaining weight

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– It may not be as protein dense as other products
– Some have gotten sick of the consistency after a few days
– It does not mix well with all drinks

TESTOVOX Professional Strength Muscle Building Supplement

TESTOVOX is scientifically formulated for hardcore muscle building. You can burn fat while building muscle without any harmful side effects. It can even help recover muscle with just one capsule.

Why It’s Popular
– People notice the increase in their strength quickly
– It helps in muscle recovery, definition, and strength
– The product is fast acting and safe, without horrible side effects

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– Many people have not noticed any change at all
– The ingredients have been suspect
– It requires a lot of water to take it in properly

Body Fortress Super Advanced Whey Protein Powder

Two scoops give you 60 grams of protein with over 8 grams of BCAA in each serving. Body Fortress mixes into water or milk with ease, and gives you a vanilla flavor at the same time.

Why It’s Popular
– It tastes great and it mixes well
– There are higher amounts of protein than in other products
– With good workouts, it really works to help you gain muscle

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– The scoops size is inconsistent with servings
– The new formula has been called into question
– It doesn’t mix as well as other products

MuscleTech Platinum 100% Creatine

There’s pure micronized creatine powder in MuscleTech that’s meant to give you an uninterrupted supply of protein. This clinically tested creatine absorbs into your body easily for great results.

Why It’s Popular
– This product works as well as other creatine products while boosting energy
– There are lots of servings in one purchase
– There is a noticeable weight gain within two weeks

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– It does make some people retain water
– Requires you to consume large amounts of water
– People have said it causes acne

How Mass Gainers Help

It’s difficult to eat so many more nutrient dense foods to gain a surplus of calories. Especially if you’re gaining clean calories from chicken or potatoes, it can be hard to gain weight. That’s why you use weight gainers to help.

Quality Protein

If you’re eating quality lean proteins, weight gainers can help you absorb them properly. This is true especially if they’re from whey or casein.


Weight gainers contain carbohydrates, but they also work to help you absorb extra carbohydrates. Think oats and dextrose, for instance.

High Calories

The whole point of a weight gainer is to give you a lot of calories without forcing you to eat too much. Just one shake will supplement the necessary calories well.

Proteins and Carbs

People have a hard time balancing their proteins and carbs naturally. These gainers allow you to do this without difficulty.

How to Choose

There are many varieties of people and mass gainers, which is why you’ve got to consider a couple factors before you pick one up. Check for one that fits your daily requirement of calories. This may mean taking just a little more or less of your usual serving size. Keeping this in mind though, there shouldn’t be more than 40g of proteins even if you’re an ectomorph. Those of you with a quick metabolism will just need higher calorie servings.


If you want to build muscle without building fat, the best lean mass gainer is exactly what you need.

Read my post on filtered water bottles

Depending on your body type, you’ll need to pick out the right one just for you. With the necessary energy to build muscle from proteins and carbohydrates, any of these would be a good choice.

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