While whey protein is a complete protein and it tastes good, it contains dairy which can be inflammatory for many women. Dairy often causes GI problems (including chronic constipation, bloating), skin issues, cognitive problems (brain fog, anxiety), weight gain, and systemic body inflammation that lead to hormonal dysregulation. Furthermore, most whey makers don’t disclose their sources - it’s hard for the buyer to know if the cows were grass-fed (rarely the case) or came from industrial lots, were given antibiotics, growth hormones, and GMO crops.