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Home :: Supplements
Popular whey protein supplements put to the test...
Over the past few years, whey protein supplements have become increasingly
popular with anyone who wants to lose fat and build muscle. Unfortunately,
the confusing blend of ingredients in many supplements makes it very difficult
for most people to make an educated decision about what to buy.
Whey protein supplements
Many studies show that protein needs are greater for people who exercise
[9]. Of course, while it's possible to get more protein from food,
it's certainly not easy or convenient. As a result, many people rely on
whey protein supplements to meet their protein needs.
One of the reasons for the popularity of whey protein supplements is
their high biological value. Biological value is used to measure
the quality of protein. Foods with a high biological value are considered
to be higher in quality, as they contain all nine essential amino acids.
Foods with a low biological value don't contain all of the essential amino
acids.
You might be aware that a difference exists between protein derived from
animal sources and protein derived from plant sources. Because
protein from most plants lacks certain amino acids, it has a lower biological
value than protein from animal sources. In fact, a recent study shows
that men consuming a diet containing meat gained slightly more muscle
and strength than those following a meat-free diet [4].
In much the same way, companies that sell whey protein supplements maintain
that there are major differences between the various types of whey you
can buy. But how much of this is based on fact, and how much is simply
advertising hype?
Should you buy a whey protein concentrate, a whey protein isolate or
a combination of the two? Is hydrolyzed whey protein any better? Do the
benefits of whey protein supplements that contain added ingredients
such as 5-methyl-7-methoxy-isoflavone really justify the
extra cost? What about NITRO-Tech®? Is it really "24 times"
better than regular whey? Maybe you should ditch the whey protein supplements
altogether, and choose a supplement that contains a so-called "slow"
protein, such as micellar casein?
The search for answers isn't made easy by magazines and websites that
rely heavily on advertising revenue from companies selling whey protein
supplements. A single page advert in a glossy magazine costs a lot of
money. Many websites will publish anything in an attempt to attract advertising
revenue.
Given the choice between running an advert for a protein supplement or
a factual article, most magazines will run the advert. Either that, or
they'll use a heavily edited article that won't discourage potential advertisers.
What's more, many magazines and websites are owned by the same people
who sell whey protein supplements. Their content is often little more
than adverts disguised as articles designed to convey an impartial image.
To make a more informed decision about the benefits (and downsides) of
whey protein supplements, it helps to be armed with a little more knowledge
about how they're made...
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