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International Protein WPI (Amino Charged)

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International Protein WPI contains fast-absorption whey protein isolate, hydrolysates, L-glutamine and L-arginine to support exercise recovery with five delicious flavours to choose from. Each 40g serve of amino charged WPI delivers over 35 grams of quality protein and around 150 calories, making this a lean low-calorie protein powder suitable for a range of uses, including post-workout or between meal shakes.


Product Features

  • Free-Form Amino Acid Technology.
  • WPI plus Whey Peptides.
  • Added Glutamine and Arginine.
  • 35.3g Protein per 40g Serving!
  • Lean Muscle Growth & Recovery.



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International Protein WPI is based on bioavailable Whey Protein Isolate, the highest quality protein powder on the market. Bio refers to biology and our body, while availability is the quantity of amino acids that actually make their way into the cells, where we need them. In essence, bioavailability is a figure that can used to judge how relevant a protein is for our needs.


With any protein powder, the amino acids ultimately end up supporting cellular structure and function. Ideally, we want as close to 100% of the amino acids found in the protein as is possible to end up in the blood stream for the best muscular adaptation and nutritional support. With this product, International Protein deliver on their promise of high quality nutrition.


Hydrolysed whey protein (whey peptides) is a whey protein that has been broken down into smaller units. Hydrolysis is the breaking of peptide bonds which join amino acids together, leaving more free form amino acids, dipeptides (2 amino acids linked) and tripeptides (3 amino acids). This leads to faster digestion time and elevation of blood amino acids. The nutrition literally gets to your muscles faster. On top of this, it makes for less of a digestive burden, as the hydrolised protein is essentially pre-digested.


Less work for your stomach and digestive organs can be a great thing if you are on a high calorie diet, or if you are prone to gastrointestinal upsets, like bloating or indigestion. International Protein WPI is the perfect blend of high bioavailability whey protein, with the added benefit of tasting awesome and coming in a range of enticing flavours, such as cookies and cream, turkish delight and caramel popcorn.



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Scientific research has been prolific over the past few decades as interest in the importance of amino acids—particularly essential amino acids—is growing rapidly. International Protein Amino Charged WPI contains the 9 essential amino acids, including histidine and the branch chain amino acids (BCAAs: isoleucine, leucine and valine). Whey protein is effective at stimulating muscle protein synthesis well above a normal baseline. This means that essential amino acids are making their way into muscle cells and stimulating an anabolic response.

International Protein Amino Charged WPI Strawberry Tub

If your goal is not to not put on muscle size, you may be thinking that a quality anabolic whey protein is not for you. However, appreciable amounts of muscle mass are difficult to attain and require a lot of constant heavy lifting along with a diet and lifestyle that promote recovery and adaptation to this form of physical stress. If you aren't training like a bodybuilder, odds are you aren't going to create a lot of muscle growth. Furthermore, muscles only get bigger when the growth signals outweigh breakdown signals.


If you are breaking down muscle as fast as you are building it, your muscles won't get bigger. This means your catabolic signals are stronger than your anabolic ones. We need a good amount of muscle protein turnover (anabolism plus cataboilism) in order to keep this tissue healthy. It can be compared to removing old worn bricks from a home and replacing them with fresh new ones. However, it's good to have your anabolic signals outweighing your catabolic ones, even just for general health.


International Protein WPI is one of the few products that actually delivers a decent serving size, with 35.3 grams of protein per 40g serve, as well as added glutamine and l-arginine. Many whey protein powders contain only 20-24 grams of protein per serve. Research into muscle protein synthesis recently demonstrated the beneficial effect of 40 grams of whey versus 20 grams, regardless of the amount of muscle mass that the individual holds. 


This WPI truly is a quality product, making no excuses for providing unsurpassed premium nutrition in a convenient range of sizes and flavours to suit even the most discerning palate. 


International Protein Amino Charged WPI woman weight lifting


Where is International Protein Made?

International Protein products are made at Ormeau, QLD. They have one of the best reputations for ethical true-to-label manufacturing practices. This truly is a company you can trust. Their facility is owned and run by food scientist Christine Envall. Christine is a 3 times overall World Champion and Australia's only IFBB Professional Female Bodybuilder.


How to Use International Protein WPI

Mix 40g with 250ml of cold water or milk in a blender or protein shaker. Take 2-3 times daily. This product may be taken early in the morning, mid-morning or/and mid-afternoon. It may also be used before going to bed or post-workout to support muscle recovery.


For a Whey Protein Isolate with extra fat burner advantage, check out this link. 

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International Protein Amino Charged WPI Nutritional Information

Serving Size: 40g

Fat, total
- Saturated
Carbohydrates, total
- Sugars
- Lactose
Dietary Fibre

International Protein WPI INGREDEINTS: Whey Protein Isolate, Flavours, Hydrolysed Whey Protein Isolate (Whey Peptides), Cocoa*, L-Glutamine, L-Arginine, Chocolate Flake (1%)#, Natural Colours (Beetroot Juice Powder~, Curcumin'', Annatto Extract^, Caramel^, Vegetable Carbon Black^), Sweetener (sucralose), Emulsifier (Soy lecithin).


* Chocolate and Turkish Delight Flavours

'' Banana Flavour

# Cookies and Cream Flavour

~ Strawberry Flavour

Caramel Popcorm Flavour