A paper recently published in the Brazillian Annals of Dermatology also made this connection. Researchers monitored 30 participants who all consumed whey protein supplements. Over time, it was found that the women, including those with no prior history of acne, suffered from breakouts during the course of the trial.
It’s not all bad news for protein-lovers; this side effect won’t necessarily affect everyone. And for the rest of us, there are heaps of vegan and whey-free options on the market.
This article originally appeared on Women's Health