“Whey” actually refers to the liquid by-product formed during the manufacture of cheese or casein.
It is a complex protein made up of many smaller protein subfractions such as beta-lactoglobulin,
mmunoglobulins , alphalactalbumin, (IgGs), bovine serum albumin (BSA), glycomacropeptide and minor peptides such as lysozyme , lactoperoxidases, and lactoferrin. Each and every sub fractio found in whey has its own biological significance.
Effects of Whey Protein
As with anything else, there are disadvantages of whey protein. First, the quality whey protein products
in the market are fairly expensive, making them inaccessible to most people who get into body building.
However, most serious fitness enthusiast will search high and low to find a whey protein product that is
of high quality, and economical at the same time, since the advantages are so plentiful as compared to it’
s disadvantages.
Generally, most of the complications related to whey protein intake have to do with digestive issues, such
as gas, bloating, cramps, headaches and fatigue. None of these are normally considered life threatening,
more so than annoying complications.
Indigestion:
Most of the research has shown that if you’re experiencing any of these symptoms, they are most likely
due to either the lactose, which is found almost in all whey protein concentrate or sweeteners used.
With that said, there are various methods of whey production, such as ion-exchanged that can influence
how well your body can utilize the protein, leading to improper digestion of the whey itself.
Kidney Risk:
The biggest fear often expressed about the whey protein intake is that, too much protein is “bad for
the kidneys”. Research though has shown this is not true in all healthy individuals. For those who
already have a kidney disease, high protein diets can exacerbate pre-existing conditions. Healthy
individuals, who do not have any underlying or unknown kidney disease have nothing to worry
about with higher intakes of protein. Since in healthy individuals, your body is adapted to higher
protein intakes and excess protein is flushed out by increasing glomerular filtration rates which
means your kidney passes more fluid and there is an increase in urine production.
Ketosis:
While high protein and low carbohydrate diet has proven to help lose fat in short term, its prolonged
While high protein and low carbohydrate diet has proven to help lose fat in short term, its prolonged
use may lead to Ketosis. Ketosis is a metabolic state where your body burns more fat as a source of
energy due to the lack of carbs. This is dangerous as it stresses the liver and causes destruction of muscle
tissues.
Osteoporosis
According to Endocrineweb.com, osteoporosis is a condition in which bone becomes brittle and fragile
due to depletion of calcium and bone protein. There is an increased risk of bone fracture in people having
osteoporosis. Although there is no scientific evidence to prove the argument, it is believed that
whey protein isolate taken in excess can cause mineral imbalance resulting in decreased bone density
or osteoporosis.
Otherwise, whey protein has an excellent safety profile and most people can consume it without any
problems whatsoever.
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