MaxiNutrition Promax Extreme Sustain + Rebuild Strawberry Flavour 1.21kg)


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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.

How to use

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 55g) to 300ml of water, shake to blend and enjoy!

Hazards and Cautions

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

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.

Do not exceed the recommended daily intake.

Keep out of reach of children.


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

For best before end see back of pack.

Important info

Country of Origin: Produce of the EU

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


Whey Protein Concentrate (Milk), Milk Protein Concentrate, Isolated Soya Protein (contains Emulsifier: Soya Lecithin), Calcium Hydroxy Methylbutyrate, Flavourings, Magnesium Citrate, Colour (Beetroot Red), Thickener (Cellulose Gum), Vitamin C, Sweeteners (Sucralose, Acesulfame 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 55g Serving
Energy (kJ/kcal) 1575 / 375 866 / 206
Fat (g) 4.5 2.5
of which saturates (g) 2.7 1.5
Carbohydrates (g) 6.5 3.6
of which sugars (g) 3.5 1.9
Fibre (g) 0.4 0.2
Protein (g) 72.7 40.0
Salt (g) 1.8 1.0 more less

Delivery options

Order & Collect
€2.50 or free if you spend €25 or more from your choice of 85 Boots stores

Standard Delivery
€5 or free when you spend €50 or more

For more information see our delivery help or view our returns policy.

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