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Progain Protein Powder for Size and MassProgain Protein Powder for Size and Mass
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  • Maximuscle Guarantee Maximuscle Guarantee
  • Low Sugar Low Sugar
  • 500 Calories 500 Calories
  • Vitamin B6 Vitamin B6
  • The Perfect Way To Increase Size and Mass

  • 37-38g of Protein per serving

  • 54g of Carbs and 500 calories per serving

  • High in Vitamin B6 to support protein synthesis and metabolism

Ingredients and nutritional values
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Delivery & Returns

Free UK delivery on all orders over £45, when ordered before 2pm weekdays. Some postcodes excluded.

See our delivery and returns policies for more information here.

All batches are screened for banned substances on the Informed Sport programme.

Progain Mass Gain Protein Powder

Maxinutrition Progain is a scientifically proven blend of high-quality whey protein that delivers great taste, great results and supports muscle mass that enables you to reach your goals.

Available in four delicious flavours - Chocolate, Vanilla, Strawberry, Banoffee. Progain is free from artificial colours, artificial flavours and unnecessary thickeners for a cleaner taste and better consistency. It is gluten free, soy free and suitable for vegetarians. Plus, the MaxiNutrition 100% guarantee is our assurance that we use only natural colours and flavours to give you a delicious protein shake that is both smooth and satisfying.

Maxinutrition Progain comes in the iconic 1.2kg black tub which is 100% recyclable. This blend of protein powder is easily mixed.

When to Use Progain Protein Powder

For one serving, mix (120g) with 450-500ml of water in a Maxinutrition shaker.

  • 37-38g of protein (70% Whey Protein Concentrate & 30% Calcium Caseinate) to support muscle mass
  • 500 calories
  • 54g of carbs
  • High in Vitamin B6 for immune system support

MaxiNutrition Progain features a premium blend of whey protein concentrate (70%) and Calcium Caseinate (30%) to support muscle mass and size.

With 500 calories and 54g of carbohydrate per serving it is the perfect high protein shake for when you're out and about.

Available in 4 delicious flavours, Progain is ideal for muscle recovery, providing the fuel for your next session.

Nutritional Information
Typical Values
Per 100g
Per 120g serving
Energy, kJ
Per 100g 1775
Per 120g serving 2130
Energy, kcal
Per 100g 423
Per 120g serving 506
Fat, g
Per 100g 11.0
Per 120g serving 14
Carbohydrate, g
Per 100g 48.0
Per 120g serving 55.0
Fibre, g
Per 100g 6.2
Per 120g serving 7.4
Protein, g
Per 100g 31.0
Per 120g serving 37.0
Salt, g
Per 100g 0.19
Per 120g serving 0.25
Vitamins and Minerals (*% of an Adult's Reference Intake)
Typical Values
Per 100g
Per 120g serving
Amino Acids (per 100g Protein)
Typical Values
Per 100g
BCAA, g
Per 100g 22.8
Per 120g serving
Nutritional Information
Typical Values
Per 100g
Per serving
Energy, kJ
Per 100g 1775
Per serving 2130
Energy, kcal
Per 100g 423
Per serving 506
Fat, g
Per 100g 11.0
Per serving 14
Carbohydrate, g
Per 100g 48.0
Per serving 55.0
Fibre, g
Per 100g 6.2
Per serving 7.4
Protein, g
Per 100g 31.0
Per serving 37.0
Salt, g
Per 100g 0.19
Per serving 0.25
Vitamins and Minerals (*% of an Adult's Reference Intake)
Typical Values
Per 100g
Per serving
Amino Acids (per 100g Protein)
Typical Values
Per 100g
BCAA, g
Per 100g 22.8
Per serving
Nutritional Information
Typical Values
Per 100g
Per serving
Energy, kJ
Per 100g 1767
Per serving 2120
Energy, kcal
Per 100g 421
Per serving 506
Fat, g
Per 100g 11.0
Per serving 14
Carbohydrate, g
Per 100g 45.0
Per serving 54.0
Fibre, g
Per 100g 8.1
Per serving 9.7
Protein, g
Per 100g 31
Per serving 37
Salt, g
Per 100g 0.19
Per serving 0.25
Vitamins and Minerals (*% of an Adult's Reference Intake)
Typical Values
Per 100g
Per serving
Amino Acids (per 100g Protein)
Typical Values
Per 100g
BCAA, g
Per 100g 22.7
Per serving
Nutritional Information
Typical Values
Per 100g
Per serving
Energy, kJ
Per 100g 1785
Per serving 2142
Energy, kcal
Per 100g 426
Per serving 511
Fat, g
Per 100g 12.0
Per serving 14.0
Carbohydrate, g
Per 100g 45.0
Per serving 54.0
Fibre, g
Per 100g 5.7
Per serving 6.8
Protein, g
Per 100g 31.0
Per serving 37.0
Salt, g
Per 100g 0.19
Per serving 0.25
Vitamins and Minerals (*% of an Adult's Reference Intake)
Typical Values
Per 100g
Per serving
Amino Acids (per 100g Protein)
Typical Values
Per 100g
BCAA, g
Per 100g 22.7
Per serving
Nutritional Information
Typical Values
Per 100g
Per serving
Energy, kJ
Per 100g 1779
Per serving 2135
Energy, kcal
Per 100g 425
Per serving 510
Fat, g
Per 100g 12.0
Per serving 14.0
Carbohydrate, g
Per 100g 44.0
Per serving 53.0
Fibre, g
Per 100g 6.3
Per serving 7.6
Protein, g
Per 100g 32.0
Per serving 38.0
Salt, g
Per 100g 0.18
Per serving 0.24
Vitamins and Minerals (*% of an Adult's Reference Intake)
Typical Values
Per 100g
Per serving
Amino Acids (per 100g Protein)
Typical Values
Per 100g
BCAA, g
Per 100g 21.8
Per serving

Real Flavours, Real Taste

You asked, we obliged! Our loyal users requested a protein powder without unnecessary thickeners. We're always pushing boundaries to use only the most beneficial ingredients that will help you reach your goals. We've removed thickeners from all our products

We only use natural flavours and colours so you won't find any artificial colours, artificial flavours in our products. FULL STOP.

Suitable for Vegetarians

Progain is gluten free, soy free and is also suitable for vegetarians.

Screened & Effective

The entire MaxiNutrition range is screened for banned substances and accredited on the Informed-Sport programme. Food supplements are intended to supplement the diet and should not be a substitute for a varied diet and a healthy lifestyle.

What's Your Flavour?

Vanilla

INGREDIENTS: Maltodextrin, whey protein concentrate (26%) (Milk), calcium caseinate (11%) (Milk), sunflower oil powder (sunflower oil, glucose syrup, milk protein), inulin, medium chain triglyceride oil (vegetable oil (coconut), stabiliser acacia gum), natural flavouring, emulsifier (sunflower lecithins), sweetener (sucralose), vanilla extract , vanilla seeds, vitamin B6.

Product Restrictions

Some unexpected side effects can occur when taking supplements, particularly if too much of the product is used. Supplement use should be avoided if you are pregnant or breastfeeding.

If you choose to use our supplements, consult with your doctor before you start taking it, or let your GP and pharmacist know if you are already taking these products. Keep out of sight and reach of children.

Real Flavours, Real Taste

You asked, we obliged! Our loyal users requested a protein powder without unnecessary thickeners. We're always pushing boundaries to use only the most beneficial ingredients that will help you reach your goals. We've removed thickeners from all our products

We only use natural flavours and colours so you won't find any artificial colours, artificial flavours in our products. FULL STOP.

Suitable for Vegetarians

Progain is gluten free, soy free and is also suitable for vegetarians.

Screened & Effective

The entire MaxiNutrition range is screened for banned substances and accredited on the Informed-Sport programme. Food supplements are intended to supplement the diet and should not be a substitute for a varied diet and a healthy lifestyle.

What's Your Flavour?

Banoffee

INGREDIENTS: Maltodextrin, whey protein concentrate (26%) (Milk), calcium caseinate (11%) (Milk), sunflower oil powder (sunflower oil, glucose syrup, milk protein), inulin, banana powder (4.5%), medium chain triglyceride oil (vegetable oil (coconut), stabiliser acacia gum), natural flavouring (Milk), caramel (0.3%), emulsifier (sunflower lecithins), sweetener (sucralose), vitamin B6.

INGREDIENTS:

Product Restrictions

Some unexpected side effects can occur when taking supplements, particularly if too much of the product is used. Supplement use should be avoided if you are pregnant or breastfeeding.

If you choose to use our supplements, consult with your doctor before you start taking it, or let your GP and pharmacist know if you are already taking these products. Keep out of sight and reach of children.

Real Flavours, Real Taste

You asked, we obliged! Our loyal users requested a protein powder without unnecessary thickeners. We're always pushing boundaries to use only the most beneficial ingredients that will help you reach your goals. We've removed thickeners from all our products

We only use natural flavours and colours so you won't find any artificial colours, artificial flavours in our products. FULL STOP.

Suitable for Vegetarians

Progain is gluten free, soy free and is also suitable for vegetarians.

Screened & Effective

The entire MaxiNutrition range is screened for banned substances and accredited on the Informed-Sport programme. Food supplements are intended to supplement the diet and should not be a substitute for a varied diet and a healthy lifestyle.

What's Your Flavour?

Strawberry

INGREDIENTS: Maltodextrin, whey protein concentrate (26%) (Milk), calcium caseinate (11%) (Milk), sunflower oil powder (sunflower oil, glucose syrup, milk protein), inulin, strawberry powder freeze dried (5%), medium chain triglyceride oil (vegetable oil (coconut), stabiliser acacia gum), natural flavouring, emulsifier (sunflower lecithins), sweetener (sucralose), beet root juice concentrate, vitamin B6, acidity regulator citric acid.

Product Restrictions

Some unexpected side effects can occur when taking supplements, particularly if too much of the product is used. Supplement use should be avoided if you are pregnant or breastfeeding.

If you choose to use our supplements, consult with your doctor before you start taking it, or let your GP and pharmacist know if you are already taking these products. Keep out of sight and reach of children.

Real Flavours, Real Taste

You asked, we obliged! Our loyal users requested a protein powder without unnecessary thickeners. We're always pushing boundaries to use only the most beneficial ingredients that will help you reach your goals. We've removed thickeners from all our products

We only use natural flavours and colours so you won't find any artificial colours, artificial flavours in our products. FULL STOP.

Suitable for Vegetarians

Progain is gluten free, soy free and is also suitable for vegetarians.

Screened & Effective

The entire MaxiNutrition range is screened for banned substances and accredited on the Informed-Sport programme. Food supplements are intended to supplement the diet and should not be a substitute for a varied diet and a healthy lifestyle.

What's Your Flavour?

Chocolate

INGREDIENTS: Maltodextrin, whey protein concentrate (25%) (Milk), calcium caseinate (11%) (Milk), sunflower oil powder (sunflower oil, glucose syrup, milk protein), low fat cocoa powder (5%), inulin, medium chain triglyceride oil (vegetable oil (coconut), stabiliser acacia gum), natural flavouring, emulsifier (sunflower lecithins), sweetener (sucralose), vitamin B6.

Product Restrictions

Some unexpected side effects can occur when taking supplements, particularly if too much of the product is used. Supplement use should be avoided if you are pregnant or breastfeeding.

If you choose to use our supplements, consult with your doctor before you start taking it, or let your GP and pharmacist know if you are already taking these products. Keep out of sight and reach of children.

Real Flavours, Real Taste

You asked, we obliged! Our loyal users requested a protein powder without unnecessary thickeners. We're always pushing boundaries to use only the most beneficial ingredients that will help you reach your goals. We've removed thickeners from all our products

We only use natural flavours and colours so you won't find any artificial colours, artificial flavours in our products. FULL STOP.

Suitable for Vegetarians

Progain is gluten free, soy free and is also suitable for vegetarians.

Screened & Effective

The entire MaxiNutrition range is screened for banned substances and accredited on the Informed-Sport programme. Food supplements are intended to supplement the diet and should not be a substitute for a varied diet and a healthy lifestyle.

What's Your Flavour?

Strawberry

INGREDIENTS: Maltodextrin, whey protein concentrate (26%) (Milk), calcium caseinate (11%) (Milk), sunflower oil powder (sunflower oil, glucose syrup, milk protein), inulin, strawberry powder freeze dried (5%), medium chain triglyceride oil (vegetable oil (coconut), stabiliser acacia gum), natural flavouring, emulsifier (sunflower lecithins), sweetener (sucralose), beet root juice concentrate, vitamin B6, acidity regulator citric acid.

Chocolate

INGREDIENTS: Maltodextrin, whey protein concentrate (25%) (Milk), calcium caseinate (11%) (Milk), sunflower oil powder (sunflower oil, glucose syrup, milk protein), low fat cocoa powder (5%), inulin, medium chain triglyceride oil (vegetable oil (coconut), stabiliser acacia gum), natural flavouring, emulsifier (sunflower lecithins), sweetener (sucralose), vitamin B6.

Vanilla

INGREDIENTS: Maltodextrin, whey protein concentrate (26%) (Milk), calcium caseinate (11%) (Milk), sunflower oil powder (sunflower oil, glucose syrup, milk protein), inulin, medium chain triglyceride oil (vegetable oil (coconut), stabiliser acacia gum), natural flavouring, emulsifier (sunflower lecithins), sweetener (sucralose), vanilla extract , vanilla seeds, vitamin B6.

Banoffee

INGREDIENTS: Maltodextrin, whey protein concentrate (26%) (Milk), calcium caseinate (11%) (Milk), sunflower oil powder (sunflower oil, glucose syrup, milk protein), inulin, banana powder (4.5%), medium chain triglyceride oil (vegetable oil (coconut), stabiliser acacia gum), natural flavouring (Milk), caramel (0.3%), emulsifier (sunflower lecithins), sweetener (sucralose), vitamin B6.

Product Restrictions

Some unexpected side effects can occur when taking supplements, particularly if too much of the product is used. Supplement use should be avoided if you are pregnant or breastfeeding.

If you choose to use our supplements, consult with your doctor before you start taking it, or let your GP and pharmacist know if you are already taking these products. Keep out of sight and reach of children.

Very nice
Very nice but expensive
Colin oswin 100% clean
100% clean and effective. Quick delivery and realistic prices.
Jonathan Grant Amazing product
No lumps for me using a silver ball shaker. The strawberry flavour could be a little more potent but I have a real sweet tooth so that’s personal. Overall amazing product.
Colin oswin Quality
Quality's protein drink

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