If you're asking about which actual type of whey protein is better instead of the actual company, read the following from
http://www.nutros.com/nsr-0202e.html Also--->Most of you probably have not heard of what is known as the Vroman effect. This is how proteins adsorb in blood plasma. The different type of protein is adsorbed in an certain order depending on its prevalence, albumin being the most prevalent so it is adsorbed first. Just thought you'd like to keep that in mind while looking at these. WPI is whey protein isolate.
"Ion-exchange: WPI is high in protein but lacks lactoferrin and other important bioactive peptides.
Microfiltration/ultrafiltration: WPI has higher amounts of lactoferrin and other important bioactive peptides but is lower in albumin.
Cross-flow microfiltration: yields a WPI that is undenaturated (uncomprised or undamaged amino acid matrixes) in greater than 90% of the protein and retains all important sub-fractions in natural ratios with little or no fat or lactose. "
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