What is whey protein powder made of?
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3 min read
Over 80% of milk's protein content is casein, leaving the remaining 20% as the liquid portion known as whey. This once-discarded liquid is now a prized supplement. But **what is whey protein powder made of?** At its core, it's a byproduct of cheese production, which undergoes significant processing to transform into the popular powder found on store shelves.
