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If you've decided to try out some whey
protein, you're probably a bit confused by the many types on the
market. How do you choose a good one?
Before we look at that, just in case you've come straight
to this page, a quick recap on whey protein in general.
Protein powders of any kind are NOT whole
foods. We don't recommend you rely on them as a main protein
source. Better to get your protein from a range of fresh animal
products, such as meat, poultry, fish, eggs and dairy, if
you can tolerate it.
But sometimes it's the only convenient way of having some
protein after a workout. And if it's a case of have a protein
shake for breakfast, or go without, have the shake. Throw
in couple of raw egg yolks (yes, I do mean the yolks, not
the whites) for all those excellent fat soluble nutrients,
and some blueberries for flavour and antioxidants.
If you ARE going to have a shake, unless you are severely
dairy intolerant, good quality whey protein is the only kind
we recommend. Soy protein powder in
particular should always be strictly avoided. |
Now, let's look at how gppd quality
whey proteins are produced. The first stage of processing, which
uses ultrafiltration, produces whey protein concentrate. This will
still have some lactose and fat, and can range from 25-85% protein.
A good one will be around 70-80%.
The second stage isolates the protein,
and eliminates the lactose and fat. There are two ways of doing
this - microfiltration and ion exchange.
Ion exchange gives you a higher proportion
of protein in your finished product, so many people will recommend
ion exchange. But we need to look more closely at the different
types of protein fractions that make up the whey. Most of them
are believed to be good for the immune system, including alpha-lactalbumin,
glycomacropeptide and Bovine serum albumin. But the fraction that
makes up most of the protein is beta-lactoglobulin. This fraction
is the one that is most likely to be allergenic. So you want a process
that reduces that as much as possible, preferably keeping the %
to around 50% or lower. With Ion Exchange, the % can be up to 75%.
This also means there are less of the beneficial elements. So this
would not be my first choice.
But crossflow microfiltration keep
the fractions in more or less the same ratio as they started. So
this is a safer option. The drawback here is that you have a much
higher priced product.
If you are sensitive to lactose, you
will need to go for a Ultrafiltered, then Microfiltered Whey Protein
Isolate. But otherwise, it seems to me that an Ultrafiltered Whey
Protein Concentrate (or a blend of the two) will be suitable for
most people, and kinder on the pocket. It's also a less processed
product, which is often better. Of course, if you have digestive
trouble, move up to the Microfiltered. Remember that they must be
non-denatured and produced without heat, which will be somewhere
on the label of a good product.
There are a couple of other things you might see printed on the
label that you need to know about.
Most powders now seem to be instantised. At this stage, I don't
know how this is achieved, and whether it has any detrimental effect.
If I find out, I'll let you know.
The other process is hydrolyzation. The purpose of this is to break
down the peptides into smaller pieces, to make them easier to digest
and assimilate. The drawback seems to be that this is done using
acid, alkali or enzyme treatments and it CAN affect the function
of the protein. I'd go for minimal processing and avoid this if
possible.
You also need to check what other ingredients
are in there. Watch out for fillers like calcium caseinate, and
especially for sweeteners. Some of
the usual sweeteners used (roughly from best to worst):
- Stevia - about the only sweetener
that is universally agreed to be totally safe. It can have a bitter
aftertaste if used incorrectly though, so is often teamed with
other sweeteners to get round that.
- Maltodextrin, honey, glucose polymers,
etc - No good for people following a completely whole
food diet (ie no sugars or refined carbs) and people on a
low carb diet would probably
want to avoid as well. But for people not worrying about sugars,
probably OK in these quantities.
- Sucralose - this has taken over
from aspartame as a popular sweetener. Most experts seem to agree
that if you must go artificial this is the least harmful one to
use. But it is still too recent to be totally sure, and at least
one doctor is publicising examples of people who have had intense
reactions to it.
- Acesulfame k - same chemical family
as saccharin. No research has conclusively linked it to diseases,
but it pays to very wary of all artificial sweeteners.
- Fructose - Many adverse effects
on health. (The fructose part of the sucrose molecule is much
more damaging than the glucose part)
- Aspartame - too many health disadvantages
to list - it is literally toxic.
"Natural
flavour" can also be a problem for some people, so if you're
sensitive to MSG, look for a product that's unflavoured. These are
hard to find though, so if you don't have a specific MSG problem,
you'll probably be OK with a naturally flavoured product.
Some products
have xantham gum in them. This is not a problem for most people,
but some people do have difficulty digesting gums.
Any other ingredient
that you don't know what it is, ask before buying.
Products that I
would use :
My pick in New Zealand is two of the Red 8 products. These two
seem to be the less popular of the Red 8 products, so you may need
to ask for them to be ordered for you.
Red 8 Protein Plus is an instantised, low temperature,
ultrafiltered whey protein concentrate. The sweetener is stevia,
and it has a nature identical vanilla or chocolate flavour. As long
as you're not senstive to lactose or MSG, this looks like a good
all round product. Reasonably priced at around $28 for 500g. Also
available in unflavoured for around $25.
Red 8 Microfiltered Whey Protein Isolate is unflavoured
and unsweetened. This would be the choice for anyone with sensitivities.
Contains lecithin. Around $42 for 500g.
Biochem Ultimate Lo Carb Whey
- 100% microfiltered whey protein isolate. Other ingredients beta
carotene, xantham gum, natural vanilla flavour - but no sweeteners.
Priced around $NZ98, so a bit pricier than the Red 8.
Metagenics Bio Pure - "BioPure
Protein is prepared by utilizing a patented ultrafiltration/diafiltration
process that concentrates the whey protein and bioactive immunoglobulins.
It is processed at controlled temperatures and pH to prevent the
protein from denaturing (becoming inactive). The whey in BioPure
Protein is obtained from the milk of a dairy herd in New Zealand,
one of only two "pristine herds" worldwide." It does
have a small amount of maltodextrin in it, so no good for whole
food diets, but carbs are fairly low at 1g to each 16g protein,
so pretty OK for most people. Price and availability unknown.
In other countries, there will probably
be a lot more choice, and I can't go through them all!! But if you
send me a link about your favourite powder, I'll check it out and
tell you what I think. To start you off:
Australia
- These products all look OK.
Aussie Bodies Perfect Protein.
Made from Ultrafiltered Whey Protein Concentrate. Chocolate and
Vanilla only have flavour added, so they're good. But the Strawberry
is sweetened with sucralose, and has a colour added that some people
have reacted badly to, so avoid that flavour.
Designer Physique - Whey protein
concentrate. Ultra filtered. No additives. So looks good
for those who can tolerate a little lactose.
Designer Physique - Whey protein
isolate. Ultra filtered and micro filtered. No additives.
So looks good for those who need lactose free.
Designer Physique - Slim Whey.
Appears to be exactly the same as the isolate, so not sure
why they need a separate product.
Products I would
use as a compromise:
These are compromises
as they use Ion Exchange isolate, where microfiltered is probably
better.
NFS Nutraceuticals Super Whey protein
- mainly lonic Exchange Whey Protein Isolate and a small amount
of Bio-Engineered Ultra Filtered Whey Protein. 5g of l-glutamine
with each serving & 2g taurine to complete the amino acids.
Sweetened with stevia and malt. Malt is no good for whole food diets,
or the gluten sensitive. Choc & strawberry flavours. $NZ80 for
750g. It can be ordered online at www.creativeenergy.co.nz
Solgar Whey to Go (vanilla)
- Ion-exchanged, Micro-filtered and Hydrolyzed protein blend. Leslie
Kenton recommends this brand, though I have my doubts about the
hydrolyzed portion. I'd only use the natural vanilla flavour. The
other flavours all have fructose in them. Around $NZ60 for about
340g protein, so pretty expensive.
Products I wouldn't
use :
Solgar Whey to Go (Non vanilla flavours)
- Ion-exchanged, Micro-filtered and Hydrolyzed protein blend
- only the natural vanilla flavour is recommended. The other flavours
all have fructose in them.
Biochem Ultimate Protein System
- 100% microfiltered whey protein isolate, which is good. But the
sweeteners are fructose, which is bad, and acesulfame k.
Biochem Ultimate Lo Carb Smoothie
- Instantised whey protein concentrate. Sweeteners are maltodextrin
& sucralose, which are suspect.
Twin Lab Triple Whey Fuel -
Combo of micro-filtered and ion exchange; hydrolysed and whey protein
concentrate. The dodgy bit, though, is that the sweetener is aspartame,
which I wouldn't touch with a ten foot pole.
Horleys Whey Factors - Instantised
Ion Exchange Whey Protein Isolate, Ultrafiltered Whey Protein Concentrate,
Whey Protein Hydrolysate. It does have L-Glutamine, which is good.
But the sweeteners are acesulfame k and aspartame, so that rules
it out.
Horleys Awesome Whey - Instantised
Whey Protein Concentrate, Hydrolysed Whey Protein Concentrate. Also
the sweeteners are Maltodextrin, acesulfame k and aspartame.
I haven't looked at products that are
whey combined with other protein powders. And this isn't all of
the pure whey products. There may be other good ones out there,
but as you can see there are more bad ones than good ones. This
range gives you an idea of how to judge other products.
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