Do Protein Shakes Increase Estrogen? A Look at Soy, Whey, and Hormonal Health
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5 min read
Phytoestrogens found in some protein sources can interact with the body’s estrogen receptors, though often with much weaker effects than our own natural hormones. This nuance explains why most protein shakes consumed in moderation are unlikely to cause significant hormonal imbalance, but the source and quantity still matter.