GoNutrition Extreme Mass Gainer, 5.5 Lb, Chocolate

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Brandgonutrition Ideal ForUnisex WorkoutPost Workout Quantity1 kgVitamins & Supplements Typewhey FlavorChocolate Dosage FormPowder Used ForWeight Gainers Supplement

What is Extreme Mass® weight gainer?

Extreme Mass® weight gainer is a high calorie weight gain formula designed to help strength and gym goers build their mass and increase their size and strength. Each serving provides a whopping 450 calories and provides 43g of protein, making it one of the leading weight gainers on the market. Extreme Mass® mass gainer is ideal for anyone who is training to bulk up and increase their strength and size. Extreme Mass® is ideal as a post workout recovery shake or in between meals to add quality calories to your diet.

How does Extreme Mass® work and what's in it?

In order for muscles to repair and grow a calorie surplus and high protein diet are required. For most this can be difficult to achieve through foods alone. This is where Extreme Mass® makes the ideal addition to your diet and training programme. We have included an advanced, sustained release protein blend of fast acting whey protein concentrate, medium release egg white protein and ultra slow releasing micellar casein, to provide a massive 43g of protein per serving. This unique protein blend keeps muscles fuelled with the vital amino acids required to repair and grow, for up to seven hours. We have added 5g of the amino acid glutamic acid which promotes protein synthesis and glycogen replenishment to aid growth and recovery.

What about carbs and fats?

Extreme Mass® includes 49g of premium quality carbohydrates, from 3 individual sources. We have included fast acting waxy maize starch and maltodextrin to increase nutrient delivery and glycogen replenishment post workout, alongside low GI pure fine oats to provide a quality slow release energy source. Yep, we have also included 5g of flax seed powder and 4.5g of Medium Chain Triglyceride (MCT) healthy fatty acids. Flax seed powder provides omega 3 in the form of alpha linolenic acid (ALA) whilst MCTs are used directly as energy and not stored as fat.

How should I use Extreme Mass®?

We recommend 1-3 115g servings a day. Add three large scoops of Extreme Mass® to 600-700ml of water and or milk and shake until blended. We've thrown in a free large GN™ Scoop to help you get the serving size right. Extreme Mass® currently comes in five great flavours: Jammie Biscuit, Maple Syrup and Pancake, Rhubarb and Custard Sweets, Strawberries and Whipped Cream, Triple Chocolate and Vanilla Ice Cream. You can make the flavour stronger or weaker by adding more or less water when you're mixing your shake.

How good is Extreme Mass®?

With over 43g of protein per serving Extreme Mass® provides higher levels of protein than any competitor weight gainer on the market. Unlike competitor products which use proprietary blends to hide the fact they are using low levels of premium ingredients, GoNutrition™ is the first sports nutrition company to fully declare levels of all active ingredients in its formulas, including their percentage inclusions. The majority of weight gainer protein blends use milk protein concentrate (MPC) as the primary ‘slow release’ source. MPC is in fact made up of 80% Casein and 20% Whey meaning formulas can be left heavy on the fast release side. We have used the premium, pure casein protein Micellar Casein to ensure an ultra-slow release which fuels muscles with amino acids for up to 7 hours. Unlike most weight gain formulas which avoid using quality ingredients to keep costs down, we have included 5g of the premium grade amino acid glutamic acid, to promote recovery.

How is it made?

As with all our premium formulas, Extreme Mass® is developed by our in-house team using the latest nutritional research. All our ingredients are sourced direct from leading European suppliers and must pass our rigorous checks before they are blended, packed and sealed in our industry leading production facility. We perform regular spot-checks and independent product testing to ensure the product you receive is of the highest standards.

What goes well with Extreme Mass?

When looking to gain size and strength we would recommend Volt pre workout to ensure you get the most from your training sessions. We would also recommend a t booster such as Tribulus XS and ZMA zinc and magnesium recovery formula which can also increase natural testosterone production.


100% Transparency

GoNutrition® formulas display a Quantitative Ingredients Declaration (or QUID). In other words, when it comes to ingredients, we offer complete transparency.

Results Driven

When buying protein and supplements we all want to see results. That's why we only sell products that are proven to work and deliver great results.

Premium Quality

We will only ever use the finest quality ingredients, natural flavours and colours. As customers ourselves, this is something we believe strongly.