Whey Protein Benefits And Side Effects

Whey protein is a key ingredient found in most protein powders or supplements.  Rarely will you find a muscle-building product that does not contain whey protein. This is because whey protein is a simple form of protein that can be digested faster and more easily than most other forms of protein. It is a mix of globular proteins extracted from whey, a by-product in cheese production. Proteins that are quickly absorbed into the body provide for an instant supply of protein and energy, and are thus added in every protein product.  As muscle mass increases, fat levels are often reduced. As such, whey protein has become linked to weight loss, thus becoming popular with people who wish to reduce their body weight. However it is more likely that the reduction in fat is due to the increased exercise and activity required to build muscle, rather than the actual whey protein itself. Whey protein that is used for muscle building is usually derived from natural sources such as milk or plants.

Whey Protein Benefits And Side Effects

The use of whey protein has both benefits and side effects. It is important to know what they are before using them.

Benefits of whey protein:

  1. It is rich in protein content that can increase lean muscle mass – the most desirable effect of whey protein.
  2. It can help decrease fat levels in our body. Fat settlement on the liver is restricted as building muscles requires the body to work out more and thereby burn calories and fat.
  3. It is capable of increasing glutathione levels. This content in our body is responsible for immunity. Thereby, use of whey protein increases our immunity.
  4. It is a form of milk protein which is essential in fighting cancer.
  5. It is also capable of improving recovery of the muscles. This is most essential for those who do long and intense workouts.

Side effects of whey protein:

  1. Intake of whey protein can initially cause some digestive troubles. Our body needs nourishment from both solid and liquid forms.  However, if the entire amount of protein only comes from whey, then the digestive system is rushed to work more frequently.
  2. Whey protein consumption can increase the chances of kidney and liver-related illnesses. Whey protein is easy to digest and so can cause the kidney and liver to work harder, thus leading to kidney- and liver-related defects.
  3. Whey protein can also create some allergic reactions. This effect is possible only for those who are intolerant to lactose or any other dairy products. Whey is normally an extract from milk and that is the reason for the allergic effect.
  4. Whey protein consumption over a certain amount can create imbalance in the mineral levels and in turn causes an issue with the bone tissues, often leading to bone defects such as osteoporosis. Osteoporosis is caused by a lack of bone minerals, making the bone fragile.
  5. Improper monitoring in the use of whey protein can lead to the excessive settlement of calories on the adipose tissues, thus causing weight gain. This happens to most people who suddenly stop consuming protein powders and who discontinue their workout.


Whey protein has a great list of benefits as well as side effects.  It is important to stay on the safe side by using proper precautions.

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