WHAT
IS THE PURPOSE OF HAVING DIFFERENT TYPES OF PROTEIN SUPPLEMENTS?
I
guess if you are a vegan you can skip to the final few paragraphs and go talk to
anyone you can find who will listen.

Although you can get protein
supplements made from several different nutrition sources whey protein is by
far the most used as a supplement. Other choices include soy, egg, and even
wheat. None of the other choices are as effective, available or as inexpensive.
The only reasons I can find to use anything other than whey protein are some
food allergies (such as lactose intolerance) or if you are a vegan.
Whey protein is a by-product
of cheese production. It is usually about 5% lactose, some minerals (mainly
calcium, potassium and phosphorus), some fat (usually about 1%), some carbs
(15%) and protein (65-98% depending on how it’s processed) . It is also rich in
the amino acids essential for the production of muscle.
Whey Isolate
Whey Isolate is processed to
remove everything except the protein. Its protein makeup is 90-98%. Since whey
isolate requires much more processing it is also more expensive.
Whey Concentrate
Whey concentrate is the most
cost effective form of whey protein since it requires less processing than
Isolate and is around 70-85% protein.
Blends
Many producers sell a blend
of whey isolate and whey concentrate. These blends allow you to reduce the
number of calories you consume while keeping cost down.
Casein Protein
Whey protein only accounts
for about 20% of the protein found in milk while Casein is responsible for
about 80% of the protein found in dairy products.
Casein protein digests much
slower than whey making you feel fuller longer. And studies indicate that the
body is more inclined to use casein for muscle building rather than energy.
Slower digesting casein is
also better as a final meal of the day to help prevent catabolism (muscle
wasting) due to the 7 to 9 hour fasting while you sleep.
Casein is typically around
92% pure proteins.
There are also casein-whey blends.
Beef Protein
Beef protein isolate is a fairly new addition to the market.Pricing is about the same as whey isolate and protein content is about 75% as opposed to whey isolate's 90+%. but fat, carbs and calories are less than whey isolate and beef isolate reportedly has a better amino acid profile.
I have not tried it personally. Mainly because I have a little trouble getting over the thought of chocolate flavored or banana cream flavored beef.
If any of you have tried it, please let me know what you think.
There are also casein-whey blends.
Beef Protein
Beef protein isolate is a fairly new addition to the market.Pricing is about the same as whey isolate and protein content is about 75% as opposed to whey isolate's 90+%. but fat, carbs and calories are less than whey isolate and beef isolate reportedly has a better amino acid profile.
I have not tried it personally. Mainly because I have a little trouble getting over the thought of chocolate flavored or banana cream flavored beef.
If any of you have tried it, please let me know what you think.
Egg Protein
It’s called Egg Albumin (which is simply the Latin
word for “whites”).
While not as efficient as
whey or casein, it’s the best alternative for anyone lactose intolerant.
Soy Protein
Not as efficient as milk
protein and doesn’t offer the amino acids.
Some studies indicate soy may
have unwanted side effects on hormonal production. But the studies are mixed.
Wheat Protein
A popular vegan alternative
to animal based protein or lactose allergies but lacks the amino acid profile
for animal based protein. Of course wheat protein should not be used by anyone
with Celiac Disease.
Supplements, including whey protein, have received a lot of negative publicity lately due to alleged "spiking" (adding fillers) and for adding inert forms of nitrogen making the product test as having higher protein content than it actually has. However, most of the products testing as inferior were the brands sold in the large discount chain stores.
Always buy the major brands from suppliers like Bodybuilding.com.
It's also a good idea to look and compare the nutrition data on the container or posted on Bodybuilding.com as well as the price. Cheaper is not always the best bargain.
I also make it a practice not to buy any supplement where the first ingredient says "Proprietary Blend". There's no way to tell what's in it or to compare it to other products.
Supplements, including whey protein, have received a lot of negative publicity lately due to alleged "spiking" (adding fillers) and for adding inert forms of nitrogen making the product test as having higher protein content than it actually has. However, most of the products testing as inferior were the brands sold in the large discount chain stores.
Always buy the major brands from suppliers like Bodybuilding.com.
It's also a good idea to look and compare the nutrition data on the container or posted on Bodybuilding.com as well as the price. Cheaper is not always the best bargain.
I also make it a practice not to buy any supplement where the first ingredient says "Proprietary Blend". There's no way to tell what's in it or to compare it to other products.
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