Different Types of Whey Protein

Different Types of Whey Protein

What are the different types of whey protein?

There are varieties of whey protein products available commercially in the market. These included:

- Whey protein concentrate

  • Protein content varied from 25-89% protein
  • 70-80% protein content is more available as protein powder supplement
  • Contains small amount of lactose, fat and minerals
  • Lower cost

- Whey protein isolate

  • Purest form of whey protein
  • Contains 90% or greater protein with minimal lactose (<1%) and virtually no fat.
  • High cost

- Hydrolyzed whey protein

  • Hydrolysis process which breaks down the protein chains into small fractions called "peptides"
  • Easily digested and less potential for allergic reactions.

Why do we need protein ?

Protein is an essential nutrient for the growth, maintenance and repair of cells, including muscle cells. It is the basic building blocks of muscles, hormones, enzymes, skin, hair, nails ... etc. It is also critical for a healthy immune system. In addition, protein - the same as fat and carbohydrates - can also be used as energy, especially during intensive workouts.

How much protein does a person need on a daily basis ?

Several factors such as age, body size (height/weight), metabolic rate and activity level, all determine the protein requirements. According to the RDA's, the protein requirement for an inactive adult is 0.8g/kg of body weight.

However, individuals who are actively engaged in sports, bodybuilding, or do any kind of resistance training have a higher requirement for protein to build muscle mass and use as energy. Researchers estimate that, depending on the type of sport, the protein requirement is about 1.2 to 2.0g/kg of body weight.

Is whey protein good for bodybuilder and people who exercise?

Whey protein is a high quality, complete protein with all the essential amino acids. These amino acids are particularly important for active individuals or those participated in sports, fitness exercising, bodybuilding and do heavy weight training.

Many athletes have a protein rich supplement (preferably with carbohydrates) right after a workout to optimize muscle growth and repair. Studies on both strength and endurance athletes indicated that exercise increases the need for protein and essential amino acids.


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