Bulk Informed Mass Gainer Review

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Andy Williams
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In today's hyped-up supplement world, it can be challenging to find accurate and unbiased information about weight gainers. That's where I hope to help, having personally tried and tested every mass gainer on the UK market. 

My Bulk Informed Mass Gainer review will give you an in-depth look at Bulk’s highest-quality weight gainer to see if it’s worth the money.

Bulk actually makes 5 different mass gainers, all of which I’ve personally tested. And while Informed Mass isn’t their cheapest option, it is, in my opinion, their highest quality shake by far.

And in this hands-on review, you’ll soon learn why we’re raving about Informed Mass.

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Bulk Informed Mass Gainer
A bag of Bulk Informed Mass Gainer ready for review
Taste: 9/10
Mixability: 9/10
Ingredient Quality: 10/10
Mass-Building Potential: 10/10
Overall Rating: 9.5/10
Pros
  • Promotes new muscle growth with 45g of premium whey protein per serving
  • Provides sustained workout fuel with 75g of slow-digesting Scottish oats
  • Includes 5g of creatine per serving to support strength gains
  • Added HMB and glutamine help to speed up muscle recovery and prevent protein breakdown
  • The formula includes digestive enzymes so you can unlock the full power of this mass gainer
  • Each batch is extensively tested so that it meets the rigorous Informed Sport standards
  • Tastes great for mass a gainer and mixes without any hassle
Cons
  • A bit pricy compared to some of Bulk’s other gainers

Bulk Informed Mass Gainer Ingredients

In this section, I'll explore the key ingredients in Bulk Informed Mass Gainer and explain how they can benefit you.

mTOR Protein Complex

Bulk Informed Mass Gainer nutrition facts

The mTOR Protein Complex in Bulk Informed Mass Gainer contains 45g of protein per serving, helping you to recover and grow after your workouts. 

What I especially like is that the mTOR Protein Complex in Bulk Informed Mass comprises of 65% whey isolates and 35% whey concentrates, leading to a sustained release of high-quality amino acids.

This is refreshing to see because most weight gainer brands use the cheapest proteins they can find. Then, they attempt to make up for that lack of quality by filling their shake with cheap carbs that you could buy yourself for a fraction of the price.

Ultra Fine Scottish Oats

Ultra Fine Scottish Oats help fuel your workouts and assist in recovery after training because they provide consistent energy and glycogen for keeping your muscles full and ready for action.

Besides, oats also contain essential vitamins, minerals, and dietary fibre, contributing to your overall health, which is rare to say for a mass gainer, let me tell you!

Bulk Informed Mass is a completely maltodextrin free weight gainer (which, again, is quite a rarity!), making it an ideal choice for those looking for premium-quality carbs in their shakes.

Creatine Monohydrate

Bulk Informed Mass Gainer ingredients

Whereas most brands effectively insult our intelligence by including just 1-2 grams of creatine in their gainers—as if that’s enough when you’re bulking—Bulk Informed Mass Gainer provides our muscles with a full 5g of creatine monohydrate per serving.

Sure, most people prefer to take their creatine separately. But honestly, as long as the dose is adequate, I don’t personally mind taking my creatine with my mass gainer. At least that way I won’t forget to take it!

Glutamine Peptides

Glutamine Peptides assist in muscular repair and immune system support. So I’m pleased to note that this Informed Sport mass gainer includes 2.5g of glutamine per serving to help you bounce back quickly after intense training sessions.

HMB

Also present in this Informed Sport weight gainer is 1.5g of HMB (beta-hydroxy beta-methylbutyrate) per serving, which can improve muscle protein synthesis and reduce muscle breakdown, which ultimately leads to every lifter's favourite physiological adaptation; hypertrophy.

MCTs

Medium Chain Triglycerides (MCTs) are rarely included in mass gainers, which are usually just sugar and low-quality proteins. However, with Informed Mass, we get a good dose of MCTs, which provide a quick and healthy energy source that we can draw on during intense, growth-stimulating training sessions.

Flaxseed Powder

Flaxseed Powder contributes healthy fats and dietary fibre to Bulk Informed Mass Gainer. These quality ingredients will further aid in muscle growth and overall health, especially as flaxseeds are rich in omega-3 fatty acids.

LactoSpore®

Lactospore® is a probiotic ingredient in Bulk Informed Mass Gainer, which supports your digestive system and gut health. Why does this matter for building muscle?

Because a healthy gut is better able to absorb and utilize the mass-building nutrients that you consume. So again, we can see how health and muscle growth are high interconnected.

DigeZyme® Digestive Enzymes

Finally, Bulk Informed Mass Gainer includes Digezyme® Digestive Enzymes to enhance nutrient absorption and reduce the potential for digestive discomfort. These enzymes help break down protein, carbohydrates, and fats, ensuring you get the most from your mass gainer.

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Bulk Informed Mass Gainer Taste

A Bulk Pro Informed Mass Gainer shake

Bulk Informed Mass Gainer comes in Double Chocolate, Rocky Road, Vanilla Ice Cream, and Strawberries & Cream. Most customers, including me, have praised the taste of this weight gainer in their Bulk Informed Mass Gainer reviews. 

Like me, they find it easy to mix with a fantastic taste. We’re treated to a smooth and delicious shake without the chalky texture that some gainers have. The sweetness is just right for me—not too overpowering, yet still satisfying my sweet tooth.

You can mix Bulk Informed Mass with water, milk, or even almond milk for a different flavour profile to keep things interesting.

You could also add things like berries and almond butter in a blender to further increase the nutritional value of your shake.

But honestly, the macros of Informed Mass are so good that I rarely add anything besides milk.

Check Out the Other Bulk Gainers:

Bulk Informed Mass Gainer Mixability

Informed Mass Gainer by Bulk Powders

Apart from finding the protein scooper at the bottom of the packet or tub, nothing is worse than a mass gainer that doesn’t mix. Thankfully, I had no such problems with Bulk Powders Informed Mass.

While you can use a blender, this tasty weight gainer mixes just fine in any standard shaker cup.

As for how to use it, take 5 level scoops (150g) of the Informed Mass Gainer and add it to 500ml of water or skimmed milk. Give it a good shake for about 30 seconds to ensure the powder dissolves evenly, then it’s time to drink up and enjoy.

A bag of Bulk Powders Informed Mass Gainer

You may notice that the mixed drink is relatively thick, which, to be fair, is very common for mass gainers. So, for a thinner consistency, you can simply add more liquid and then shake again. 

It might take some trial and error to find your perfect consistency, and that goes for any kind of powder-based nutritional shake.

In summary, Bulk Informed Mass Gainer mixes like a dream—you’d hardly think you were shaking up more than a couple of scoops of whey. 

As for how many shakes to take per day, Bulk recommends 1-3 daily servings, depending on your calorie requirements and activity level.

Why Buy Bulk Informed Mass Gainer?

No Cheap Fillers

When you choose Bulk Informed Mass Gainer, you're investing in a product free of cheap fillers like maltodextrin. This means that you're getting a high-quality product with only the essential ingredients to help you achieve your mass-gaining goals.

Whey Protein Isolate Is The Primary Protein Source

The Informed Mass Gainer scoop (chocolate flavour)

Let’s be honest; most brands use the cheapest proteins they can source in their gainers to keep costs down. But not Bulk. Made from a majority whey protein isolate (65%), Informed Mass doesn’t slack on protein quality despite its high carb and calorie content.

So whether you’re lean gaining or trying to get stacked, Informed Mass won’t let you down.

Incredible Carb-To-Protein Ratio

Bulk Informed Mass Gainer has an impressive carb-to-protein ratio, ensuring that you get the right combination of energy and amino acids necessary for optimal muscle development. This formula helps to fuel your workouts and aid in recovery, giving your body the best possible chance to build muscle.

Includes All The Creatine You Need

At an optimal 5 grams per serving, this underrated mass gainer is packed with all the creatine your body needs for improved workout performance and increased strength. 

So while Informed Mass is obviously more expensive than some other gainers, you can recoup some of that money by saving on creatine.

28-Day Money-Back Guarantee

Your satisfaction is important, and Bulk offers a 28-day money-back guarantee for their Informed Mass Gainer. If you are not entirely happy with the product, you can return it within 28 days—a rarity in the supplement industry.

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Preparing to do a Bulk Informed Mass Gainer review with a scoop and shaker bottle
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Every Batch Is Tested In Compliance With The Informed Sport Programme

A bag of Bulk Informed Mass Gainer ready for review

Bulk Informed Mass Gainer is thoroughly tested to ensure that every batch complies with the Informed Sport Programme's strict regulations. As such, you can drink Informed Mass with complete confidence and peace of mind, knowing each ingredient has been tested for any potential contamination or banned substances.

By buying Bulk Informed Mass Gainer today, you're choosing a high-quality, reliable, and effective supplement that’s designed to help elite lifters and athletes realise their muscle-building ambitions.

Should You Add Bulk Informed Mass Gainer To Your Stack?

Informed Sport Mass Gainer by Bulk

As someone striving to gain weight, bulk up, or build muscle, you may be wondering if adding Bulk Informed Mass Gainer to your supplement stack is a good idea. And based on my extensive testing, the answer is a definite yes!

Bulk Informed Mass Gainer is designed for professional athletes and serious trainers like yourself. Sure, you might not be Mr Olympia, but anyone who trains hard can greatly benefit from taking Informed Mass on a regular if not daily basis.

As noted earlier in this Bulk Informed Mass review, each shake provides an impressive 45g of premium protein per serving, which supports muscle growth and rapid recovery. 

With its combination of quality protein and slow-release carbohydrate sources, it promotes consistent energy levels to help you power through your intense workout sessions and make the most of your gym time.

One significant advantage of Bulk Informed Mass Gainer is its low sugar content. While many mass gainers on the market are loaded with excessive amounts of sugar that quickly make you burned out, this supplement contains only a modest amount, making it a healthier option for your gaining journey. 

So, should you add Bulk Informed Mass Gainer to your stack? If you're looking for a reliable gainer that offers quality protein, plenty of quality carbohydrates to fuel your workouts, and a low sugar content, then yes, this mass gainer would be an excellent choice for you. 

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Preparing to do a Bulk Informed Mass Gainer review with a scoop and shaker bottle
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A picture of Best Mass Gainer UK founder, personal trainer Andy Williams
Andy Williams
Andy Williams is a UK-based personal trainer and bodybuilder who coaches gym-goers of all levels using proven evidence-based techniques in strength training, nutrition, and supplementation. He’s tested over 70 different mass gainers for their ingredient quality and muscle-building effectiveness and regularly shares his findings in his mass gainer reviews.
the logo for Best Mass Gainer UK showing a tub of weight gainer protein powder
We test and review every mass gainer and weight gainer on the UK market so that British fitness enthusiasts can make informed supplementation decisions.
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