Matrix Monster Protein 4kg | Supplement Centre
0844 871 0444* Lines open 6 days a week 9am-5pm
Spend £65 for Free next day delivery
92% Customer Satisfaction
24 hour despatch on all orders

You Are Here: Home >

Matrix Monster Protein 4kg

Worth 30 loyalty points

Matrix Monster Protein 4kg

92% (113 product reviews) 100 0


RRP £59.99 - You Save £30.00

Buy 2 for £28.49 each OR Buy 3 for £27.74 each

Number of Servings: 40
£0.75 per serving

Add to Basket

Order Before 4pm for same day despatch.

Special Offers with this product

Description Ingredients Directions Per Serving Reviews Delivery

What is Matrix Monster Protein ideal for?

Matrix Monster Protein is the highest protein content weight gainer in our range, scientifically engineered to only develop quality lean muscle mass. This is achieved by possessing a Protein / Carbohydrate content close to a 1:1 ratio, ensuring the accelerated development of lean defined muscle in place of excess ‘bulk’. You will not find many mass gain protein powders with over a 38% protein value for such good a price, see the table below for a like-for-like comparison against some of the countries ‘big’ brands:


Per 100g

Price per kg (best price)






Matrix Monster Protein







Brand A







Brand B







How will Matrix Monster Protein benefit you?

Matrix Monster Protein will help you increase weight but is special in the sense that it is geared towards helping you develop quality lean muscle mass instead of ‘excess bulk’. Due to its quality macronutrient profile, Monster Protein is an extremely versatile supplement which can be used for multiple training purposes including muscle mass development and accelerating recovery from intense exercise.

Key Factors

  • Superior Protein Level Monster Protein contains whey protein concentrate with over 38g of protein every 100g serving; don’t be misled by brands that display protein values based on outrageous 300+g serving sizes. Matrix Monster Protein has a protein % unrivalled in the marketplace.
  • Low GI Carbohydrates To prevent excess sugar being stored as fat the carbohydrate complex within Monster Protein is 73.6% Low GI index level carbohydrates. This ensures precise muscle mass development instead of unstructured weight gain involving excess fat.
  • Value Unbeatable value mass gainer

Ideal time to use Matrix Monster Protein

Ideal Time to use Monster Protein

Who is Matrix Monster Protein ideal for?

Matrix Monster Protein is the perfect bulking protein for any individual trying to increase weight with clean, lean muscle mass without accumulating additional fat. The calories within Matrix Monster Protein are comprised of quality, efficient muscle building nutrients.

Quality Assurance

When using Matrix Nutrition supplements you can have 100% confidence in the quality of both our products and suppliers. Each product undergoes multiple-rounds of testing before it reaches our customers, ensuring quality and consistency is constantly at the forefront of everything we do.

Produced at a state of the art UK facility, all our Protein Powders are independently tested to clearly identify protein purity and these certificates can be seen under every protein powder. We don’t use cheap re-sealable bags either; we prefer to spend more on our side to ensure you get a robust, easy to use product and a FREE scoop is included in every product.

Next Day Delivery - Only £3.99

Order before 6pm for same day despatch.

Delivery on all items is only £3.99 and will be sent by next day delivery as standard. Delivery charge applies per order regardless of number of items purchased. Delivery costs to other areas and countries depends on distance and weight. The next day service is not currently available to customers living in highlands and islands but we will aim to get your order to you within 2-3 working days instead.

Free Next day Delivery when you spend £65.

Available to UK mainland customers. The next day service is not currently available to customers living in highlands and islands but we will aim to get your order to you in 48 working hours instead.

Matrix Protein Blend – (Whey Protein Concentrate (Milk), Milk Protein Concentrate, Whole Milk Protein, Soya Protein Isolate). Dextrose Monohydrate, Maltodextrin, Micronised Oat Flour, Waxy Maize, Peptide Bonded Glutamine (derived from Wheat Protein), Flavouring, Natural Colouring, Xanthan Gum, Acacia Gum, Sweetener: Sucralose.

Allergy Advice
For allergens, including cereals containing gluten, see ingredients in bold. May also contain nuts, gluten, eggs and peanuts.

Mix 1.5 scoops with 350-400ml of water or milk in a shaker or blender, as required.

Use 1-2 servings per day depending on training goal.

Pack Size: 4kg
Serving Size: 100g
No of Servings: 40

Values based on:

Per 100g serving (with water)

Per 100g serving (with 500ml whole milk)

Energy (kcal/g)

1664 / 397

2920 / 698

Protein (g)



Carbohydrates (g)



Of which sugars



Fat (g)



Of which saturates



Salt (g)



Fibre (g)



Satisfaction Guaranteed

We want you to be 100% happy with your purchase from us, If you're not entirely satisfied with anything, for whatever reason, we will exchange or give you a full refund for shoe and clothing products returned to us, in mint condition, within 30 days.