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The quality of whey protein depends on the diet of the cows which it is sourced from,
cows which have a grass based diet have a higher concentration of healthy fats and quality
proteins compared to cows fed on conventional feed.
The milk from organic cows doesn't contain any antibiotics, hormones or heavy metals,
which may be present in conventionally raised cows, and are known to have negative effects
on our health.
There are 2 types of whey protein, acid whey and sweet whey. Acid whey has a better nutritional
profile than sweet whey, but due to taste is less commonly sold.
Extracting protein from whey can be done in 2 ways, micro-filtration and ion exchange.
Microfiltration is a less harsh process, resulting in a nutritious protein powder which contains
a number of undamaged nutrients and high quality protein.
Ion exchange is a cheaper process, and yields a higher protein concentration, but the protein
is a lower quality than microfiltration, and ion exchange may be another source of heavy
metals.