Re: O/T Food as Medicine - Jerry Brunetti

I have not tried NZ colostrum but its good to mix manufacturers anyhow.
So I have two, one in lozenges and the other from AOR, here is AOR's view on NZ only:

North America: The Best Colostrum Source

A great deal of misinformation is out there regarding the sourcing of Colostrum. Some supplement companies claim that only New Zealand-sourced material can provide pure, high-quality Colostrum supplements – a claim that just doesn’t wash. Certainly, Colostrum should come from cows which are free-range fed, not exposed to synthetic growth hormones (rBGH/ BST), and which are not routinely treated with Antibiotics . Further, the raw Colostrum should be processed under cGMP conditions, and chemical solvents should not be used. In these respects, many North American Colostrum products are found wanting – but that doesn’t mean that no Colostrum from North American meets these stringent criteria. In fact, some North American suppliers offer Colostrum which is produced and processed using methods identical to those in New Zealand-sourced material.

And there are good reasons to prefer a North American source, provided that the sourcing and processing is up to snuff, because there is one key difference between the Colostrum used in our product and that from New Zealand: namely, the superiority of the Colostrum produced at more extreme latitudes. Harsher winter conditions cause cattle to produce greater levels of immune-supporting compounds than they do in more temperate zones. As a result, Colostrum sourced from many North American locations contains significantly more immunoglobulins (Igs) than are typically present in New Zealand Colostrum. Since the point of taking a Colostrum supplement is precisely to boost our levels of such immune-supporting peptides, this makes colder-climate Colostrum the clear choice for supporting health.


http://aor.ca/int/related_research/all-life_colostrum.php

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