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Protein |
Type:
Protein |
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A milk protein isolate is a mixture of all of the proteins found in milk
(namely, a variety of whey proteins and casein). This type of protein is quite
good due to its strong amino acid composition derived from both its whey and
casein components. It probably does retain some of the functional properties of
both casein and whey. Often found in meal replacement powders and sports
nutrition bars. There is of course the argument that milk in the form of cows
milk was nature designed for cows and not humans and so is distinctly different
to our human needs. Certainly blood groups O and A will probably have problems
tolerating milk proteins of any kind, although conclusive research in this area
is still to be carried out. Not all of this research is fully conclusive and has
been linked to other foods being intolerated by certain blood groups. It is
probably best to avoid all foods that cause any stomach problems and so of
course try this protein source to see if it is tolerated by your body.
There are 4 calories in every gram of protein.
Most athletes require around 1g of protein per pound of bodyweight. Some
athletes, especially those with a fast metabolism may need higher amounts from
1.5 to 2 grams per pound of body weight. This fact is often disputed among
scientists, companies and athletes, often being cited much lower at 1g per kg of
bodyweight being the maximum requirement. Of course this would depend on a
number of factors including training intensity, frequency, absorption, quality
of protein etc, specific supplementation designed to absorb more protein, drug
use etc.
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