Protein shake is a milk shake-like beverage that contains added protein.  It is often used as dietary supplement for bodybuilding.  It is also an abundant source of amino acids which are the building blocks of protein. 

Amino acids are in available natural food sources like chicken, meat and fish, but unlike shakes and smoothies, these are solid foods that take time to digest. 

Being rich in protein and amino acids, protein shakes help to build muscles and build worn out tissues of the body.

Here are the primary health benefits of protein shakes:

1. They contain antioxidants that help to protect you from cellular damage.

Protein shakes are partly made of whey which contains high amounts of the amino acid L-cysteine.  This amino acid helps to boost the immune system and it also acts as a precursor to L-glutathione, an antioxidant that helps the liver in its process of eliminating toxins from the body.

2. They contain calcium that helps to strengthen your bones.

Protein shakes contain calcium which works to nourish your bones, enhances fat burning and promote normal muscle contraction.  It also helps to protect you from diseases that include osteoporosis and certain types of cancer.

3. The help to stabilize your blood sugar levels

Protein in protein shakes helps to keep the balance of sugar and insulin in the body.  High levels of sugar and insulin in the blood stream can cause nutrients to be stored as fat cells and this can cause obesity in the long term.

A healthy balance of sugar and insulin levels in the body helps to keep fat burning. 

4. They help to promote weight loss.

Protein shakes help to prevent weight gain because it increases fat burning.  Your body also uses more energy to digest protein foods. As a matter of fact, your body uses 30 percent of the calories of protein foods to digest them.

5. They help to reduce the production of cortisol in the adrenal glands.

Cortisol is a stress hormone that fuels a person's reaction to fight or flight situations.  This hormone usually comes when a person's stress levels are high, and it can cause obesity, diabetes and heart diseases if it stays high for long periods.

You should consume protein-rich foods or supplements on a regular basis to reduce your body's production of cortisol.  It can help to protect you from diseases.

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