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The Uncommon Benefits of Whey

What’s the first image that comes to mind when you think of protein powder? Probably a heavily muscled guy making a post-workout shake, right? It’s time to overcome this stereotype perception and see the bigger picture.
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Getting enough protein is not just important to build muscle, but is essential to keep your body functioning. The human body is chock-full of proteins which in turn are made up of amino acids. Amino acids make enzymes, carry oxygen throughout the body and are building blocks for hair, skin, nails, bones and so much more.

Let us first understand Whey protein-
Whey is extracted from milk which is comprised of two proteins: Casein which makes up approximately 80 percent of milk protein (solid form) and whey which makes up the other 20 percent (liquid form). Whey is isolated from this liquid part of the milk. It contains vital peptides such as alpha-lactalbumin, beta-lactoglobulin, bovine serum albumin and immunoglobulins and iron binding proteins such as lactoferrin which has its own biological properties.

Whey protein has a plethora of health benefits which are not just limited to muscle building. Let’s find out-

Fat loss
Whey is highly satiating and regulates hormones such as leptin that control appetite. It helps increase lean body mass and accelerate the metabolism helping one burn more calories. So, you lose fat without shedding muscle. In one study of 158 people, published in Nutrition & Metabolism , those who were given whey lost significantly more body fat and showed greater retention of lean muscle. Leucine increases energy expenditure and enhances the burning of fat.

Immunity

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Whey contains bioactive components that may offer protection against infections and viruses and enhance immunity. Cysteine, present in whey, promotes glutathione production and is a powerful antioxidant that controls many key processes of the immune function. Immunoglobulins present in whey protein are antibodies that act as a critical part of the immune response by specifically binding to foreign bodies and aiding their destruction.

Cardiovascular health
Beta-lactoglobulin and lactoferrin inhibit accumulation of LDL cholesterol (bad cholesterol) in the body which are associated with increased risk of heart diseases. A study, published in The British Journal of Nutrition , found that there was a significant decrease in total cholesterol and LDL cholesterol in subjects who consumed whey protein. Furthermore, whey peptides hinder the activity of the enzyme (Angiotensin converting enzyme) that constricts blood vessels thereby controlling blood pressure.

Cognitive function
Alpha lactalbumin in whey protein promotes serotonin (neurotransmitter) activity in the brain which helps improve attention span, concentration and memory. Increased serotonin activity also improves the quality of sleep and relieves from anxiety & depression symptoms.

Insulin regulating effects
Isoleucine, one of the branched chain amino acids found in whey protein improves insulin sensitivity and glucose uptake by the cells. Cysteine promotes glutathione an antioxidant in the body that helps neutralize the free radicals which are harmful substances produced in the body under stress. Accumulation of these is one of the leading causes of insulin resistance which is responsible for some of the complications that come with diabetes

Bone Health

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Milk basic protein found in whey boosts osteocalcin concentration in the blood which plays a key role in bone formation and helps improve bone mineral density.

Contrary to the belief, whey protein offers a lot more than we once thought. Besides its muscle building properties, it can also be touted for improving metabolic health and overall body functions acting as a boon in disguise.

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