MaxiNutrition Promax Extreme Sustain Rebuild Chocolate Flavour 1.21kg

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Product description

Why Promax Extreme?

At MaxiNutrition we know your performance is everything. At higher levels of performance, the demands on your body are extreme. This is why our Promax Extreme Formula targets the needs of the most demanding athletes. Every serving of Promax Extreme is specially designated to provide an impressive 40g of fast acting and slow release proteins. Our triple release protein formula delivers amino acids to your muscles as early as 20 minutes and lasts for up to 4 hours.

As well as being naturally rich in BCAAs and glutamine, Promax Extreme also contains vitamin C for immune system support along with naturally present electrolytes and 1.5g of calcium HMB per serving.

Benefits of Promax Extreme

High in Protein

Using the latest in cutting edge protein science, Promax Extreme contains a triple release protein formula that provides an impressive 40g of high-quality protein per serving to give your muscles the protein needed to support gains in muscle size. Our formula of fast acting and slow release proteins in Promax Extreme elevates amino acid levels in the blood for longer. Protein is scientifically proven to help you maintain and build muscle.

BCAAs & Glutamine

Our triple release protein formula naturally provides 10.6g of BCAAs, which includes 4.8g of the key amino acid leucine in every serving. Promax Extreme also naturally contains 8.5g of glutamine, the most abundant amino acid in muscle.

Vitamin B6 and Zinc

We also add vitamin B6 and zinc to each serving. Zinc contributes to normal protein synthesis, whilst vitamin B6 contributes to normal protein and glycogen metabolism.

1.5g Calcium HMB

Every serving provides 1.5g of calcium HMB, a metabolite of the essential branched chain amino acid leucine. HMB is a well-researched ingredient and recommended by industry-leading experts.

Sodium, Calcium & Magnesium

These are the body's key electrolytes. The most intense training regimes benefit from the support of calcium which contributes to normal muscle function along with magnesium to reduce tiredness and fatigue - helping you stay at the top of your game.

Vitamin C

For the most intense training regimes, every serving also contains added vitamin C to support the normal functioning of the immune system.

Low in Sugar

Every serving is low in sugar while providing 40g of protein to maintain your muscles.

Screened and Effective

Every batch of Promax Extreme is screened for banned substances and is registered with the Informed-Sport programme.

Scientifically formulated to support muscle development and growth. Fast acting slow release - proteins.

  • A source of magnesium
  • A source of vitamin B6 and zinc
  • Naturally rich in leucine
  • Immune system support

Suitable for Vegetarians

Country of Origin: Produce of the EU

Manufacturers Address: MaxiNutrition, GSK House, Brentford, TW8 9GS.

How to Use

How to Use Promax Extreme

On the Days You Train - 1 Serving after training + Another mid-morning or mid-afternoon

On the Days You Don't Train - 1 Serving mid-morning or 1 Serving mid-afternoon

How to Serve

  • 2 Scoops
  • Shake with Water
  • Drink

For one serving, add two scoops of powder (about 57g) to 300ml of water, shake to blend and enjoy!


Keep tightly sealed in a cool, dry place and away from direct sunlight.

For best before end see back of pack.

Hazards and Cautions

Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle.

Do not exceed the recommended daily intake. Keep out of reach of children.

While every care has been taken to ensure this information is always as accurate as possible, food products are regularly improved and nutrition content may occasionally change. As a result we recommend that you always read the label carefully before using or consuming any products. Nutritional Reference Value (NRV) information is based on the typical composition of the product. Guideline daily amounts are those for a typical adult (men and women).NRV information for non Boots products is calculated by the manufacturer. Boots has no control over the recipe or nutritional content of such products and information on this site may differ to that given on the product label. We would therefore recommend you do not solely rely on this information and always read the product label. If you have any queries, or you would like advice on Boots products please contact our friendly Customer care team on 0345 609 0055.

This information was last updated 03/12/2015.


Whey Protein Concentrate (Milk), Milk Protein Concentrate, Isolated Soya Protein (contains Emulsifier: Soya Lecithin), Cocoa Powder (7%), Calcium Hydroxy Methylbutyrate, Flavourings, Magnesium Citrate, Thickener (Cellulose Gum), Sodium Chloride, Vitamin C, Sweeteners (Sucralose, Aceslfame K), Zinc Oxide, Vitamin B6

Allergy advice: please see ingredients in bold.

  • High in protein
  • Low in sugar
  • Naturally rich in leucine
  • A source of vitamin C
  • A source of magnesium
  • A source of vitamin B6 and zinc

Nutritional Information

Per 100g Serving Per 57g Serving
Energy (kJ/kcal) 1574 / 374 897 / 213
Fat (g) 5.8 3.3
of which saturates (g) 3.5 2.0
Carbohydrates (g) 5.1 2.9
of which sugars (g) 3.2 1.8
Fibre (g) 2.5 1.4
Protein (g) 70.2 40.0
Salt(g) 1.8 1.00

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MaxiNutrition Promax Extreme Sustain + Rebuild Chocolate Flavour 1.21kg


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£36.66 or 3,666 points

Save £18.33

Was £54.99


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Chocolate flavour high protein food supplement drink mix containing magnesium, zinc and vitamins with sweeteners.

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