Protein & Fitness

Whey Isolate and its Benefits

Whey Isolate and its Benefits - GNC India

Protein is essential macronutrients that fuels & repairs muscles before, during, & after intense exercise. Whey is a source of protein that comes from the watery portion of the milk that separates from the curds when making cheese. Whey isoalte protein is also more bioavailable compared to other protein sources.

Whey protein is considered to be the complete protein with PDCAAS 1 meaning it contains all 9 essential amino acids. Whey protein is also particularly high in the amino acid, leucine, which is a key amino acid for proper muscle synthesis.

Types of Whey Proteins

There are 3 very distinct varieties of Whey Protein. Some of the differences are:

Varieties of Whey Protein

Whey isolate is typically isolated from concentrate using one of two primary methods.


Protein is placed into an ion exchange tower and undergoes a chemical purification process. This is a process of isolating proteins based on their electrical charge. Gram for gram, ion-exchange whey has more protein and less fat and lactose compared to protein concentrates and is less expensive than whey isolated by microfiltration; however, this process causes damage to some amino acids. It can cause immunoglobulins and other beneficial subtractions of whey to become unstable. Immunoglobulins are used by the immune system to identify and neutralize foreign objects such as bacteria in the body. Ion exchange will produce a high-quality protein but may omit other health benefits of whey.


This method uses fine high-tech ceramic filters to gently isolate whey proteins from the fat, lactose and denatured whey (inactive protein). The filters are called micro-filters or ultra-filters because the size of the filter’s holes is microscopic. This is a physical way of removing other constituent parts from the protein, as opposed to the chemical process of ion exchange. Microfiltration techniques allow for the production of very high protein content (over 90%), the retention of important subtractions (like immunoglobulins), extremely low fat, lactose, and cholesterol content, with virtually no denatured proteins. Gram for gram, it has a higher protein content than concentrates and about the same protein content as ion-exchange whey protein, without the losses of important subfractions of the whey, but it costs more to produce.

GNC Pure Isolate has microfiltered whey, thus provides all the benefits of whey and not just the protein!!

Benefits of Whey Protein Isolate

Whey protein isolate is the most clinically researched protein. Research shows that when used in conjunction with an exercise program, consuming whey protein isolate may provide:

Whey Protein is the cleanest, purest form of whey protein with 90 – 95% protein. Let us understand why it is the purest form of whey:

Low Lactose Levels:

Whey protein isolate as compared to the other two forms contains less than 1% of lactose. It can be consumed by the person suffering from lactose intolerant or insensitivity. But, we recommend consulting your doctor before taking the powder.

Contains all Essential Amino Acids:

Being the purest form, whey protein contains all 9 essential amino acids. It is important to consume essential amino acids. These amino acids can help in proper muscle synthesis and muscle repair.

Easily Digested:

Whey protein isolate can be easily digested by your body. This protein will be absorbed and processed quickly.

Low in Carbohydrates & Fat:

Whey protein contains a lesser amount of carbohydrates and fats as compared to whey concentrate. This was your body will get enough protein without extra carbs and fat, which can slow down your metabolism.

Improves Muscle Mass and Repair:

It is important to consume whey protein isolate before, during and post-workout as to help improve your muscle strength and increase the muscle repair process

GNC brings to you micro-filtered whey protein isolates offer fast-release amino acids that are rapidly absorbed. Per serving of GNC AMP, Pure Isolate provides you 25g of protein inclusive of key amino acids such as BCAAs and L-Glutamine, for muscle repair and formation.

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