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Weight Gain & Muscle Mass

Matrix weight gain supplements are scientifically engineered to help you pack on serious muscle mass. Our revolutionary range includes high protein mass gainer supplements such as Matrix Monster Protein, which combines whey protein with quality carbohydrates and healthy fats. If your training goal is to pack on insane lean muscle, these are the mass gainers for you. Another epic option is a high calorie meal replacement (MRPs) such as Matrix Monster Carbs

XL Mass Protein Flapjack - Chocolate Deluxe - 12 x 100g

XL Mass Protein Flapjack - Chocolate Deluxe - 12 x 100g

£12.99

SAVE £22.00

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Key Features

30g premium protein

45g carbohydrate

373 kcal

Kong Testosterone Booster x 100

Kong Testosterone Booster x 100

£29.99

 

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Key Features

UK's Strongest Testosterone Booster

Cutting-Edge Muscle Development System

Revolutionary Technology

Monster Calories 4kg

Monster Calories 4kg

£24.99

SAVE £40.00

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Flavours

Flavours: Banana Cream,Chocolate, Ice Cream Sundae, Vanilla, Strawberry, Chocolate Mint

Key Features

603 Kcal per serving

33g Multi-Stage release proteins

65g Carbohydrates

BCAA Tablets

BCAA Tablets

From £8.99

SAVE up to £15.00

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Flavours

Choose Quantitys: 240,120

Key Features

Potent 2:1:1 Ratio

1330mg Leucine

665mg Isoleucine & Valine

BCAA RAW Drink 2:1:1 500g

BCAA RAW Drink 2:1:1 500g

£16.99

SAVE £27.96

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Flavours

Flavours: Berry Blast,Citrus Orange

Key Features

2:1:1 Leucine: Isoleucine: Valine ratio

Preserve lean muscle mass

Accelerate recovery

Monster Protein 4KG

Monster Protein 4KG

£29.99

SAVE £30.00

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Flavours

Flavours: Banana Cream,Chocolate, Ice Cream Sundae, Vanilla, Strawberry

Key Features

38g Protein Per Serving

Aims to develop muscle mass

Low GI Carbohydrates

BCAA Amino Storm 500g

BCAA Amino Storm 500g

£12.99

SAVE £27.00

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Flavours

Flavours: Citrus Orange,Fruit Punch

Pure L-Glutamine 500mg x 240

Pure L-Glutamine 500mg x 240

£8.99

SAVE £20.00

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Key Features

Preserving & Developing Muscle

Recovery

Health

Dextrose 1KG

Dextrose 1KG

£7.99

SAVE £11.00

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Pure Oats 1KG

Pure Oats 1KG

£7.99

SAVE £11.00

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Anabolic Hyper Gainz - 250g

Anabolic Hyper Gainz - 250g

£14.99

SAVE £18.00

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Flavours

Flavours: Citrus Orange, Forest Fruits

Key Features

Muscle Building Powder

Protein Synthesis Catalyst

BCAA's & EAA's

Pure L-Glutamine 500mg x 500

Pure L-Glutamine 500mg x 500

£15.99

SAVE £33.00

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Key Features

Preserving & Developing Muscle

Recovery

Health

Pure L-Glutamine 500mg Tablets

Pure L-Glutamine 500mg Tablets

From £6.99

SAVE £33.00

Buy Now
Flavours

Choose Quantitys: 120, 240,500

Key Features

Preserving & Developing Muscle

Recovery

Health

Monster Fusion

Monster Fusion

From £27.99

SAVE up to £40.00

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Flavours

Flavours: Banana Cream, Chocolate Cookies, Chocolate, French Vanilla, Ice Cream Sundae,Strawberry Cream, Strawberry, Chocolate Mint

Key Features

All-round weight gainer

33g Protein

78.7g Carbohydrates

Night Warrior x 120

Night Warrior x 120

£9.99

SAVE £20.00

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Key Features

Nocturnal Anabolic Support

Accelerated Restoration

Support Sleep

Matrix Pure L-Glutamine

Matrix Pure L-Glutamine

From £12.99

SAVE up to £24.00

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Flavours

Chooses: L-Glutamine 500g,L-Glutamine 1kg

Key Features

Preserving & Developing Muscle

Recovery

Health

Micro Oats Carbohydrate Powder 5kg

Micro Oats Carbohydrate Powder 5kg

£9.99

SAVE £25.00

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Key Features

Premium grade carbohydrates

100% natural Scottish Oats

High in soluble fibre

Beta Alanine 500g

Beta Alanine 500g

£14.99

SAVE £23.00

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Key Features

100% Premium Grade Beta Alanine Powder

Help Delay Onset of Fatigue

Promote Muscle Mass Development

BCAA Nitro x 120
New

BCAA Nitro x 120

£12.99

SAVE £22.00

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Key Features

1000MG BETAINE

900MG BCAA FORMULA

750MG HMB

Matrix Pure L-Glutamine 500mg x 120

Matrix Pure L-Glutamine 500mg x 120

£6.99

 

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Key Features

Preserving & Developing Muscle

Recovery

Health

Leucine Tablets x 120

Leucine Tablets x 120

£7.99

SAVE £23.00

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Key Features

Support muscle mass development

Stimulate muscle building pathways

Prevent lean muscle degradation

BCAA Tablets x 120

BCAA Tablets x 120

£8.99

SAVE £11.00

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BCAA Tablets x 240

BCAA Tablets x 240

£14.99

SAVE £15.00

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Monster Carbs 8KG

Monster Carbs 8KG

£39.99

SAVE £50.00

Buy Now
Flavours

Flavours: Banana Cream,Chocolate, French Vanilla, Strawberry, Chocolate Mint

Key Features

65g of carbs - high & low GI sources

411Kcal/100G

17g of fast and slow digesting proteins

Refine by:

Weight

1kg

120g

1.2kg

180g

200g

250g

375g

4kg

500g

5kg

8kg

Choose

L Glutamine 1kg

L Glutamine 500g

Choose Quantity

120

240

500

Flavour

Banana Cream

Berry Blast

Chocolate

Chocolate Cookies

Chocolate Mint

Citrus Orange

Forest Fruits

French Vanilla

Fruit Punch

Ice Cream Sundae

Strawberry

Strawberry Cream

Vanilla

Win £100

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