If you’re health-conscious, chances are your feed for the past year has been flooded with influencers evangelizing hormone balancing as a hack for easy weight loss, lowering stress levels, and even reversing symptoms of hormonal conditions like polycystic ovary syndrome (PCOS). So it’s not at all surprising to see Eli Health announce Hormometer, an at-home hormone-testing system that uses your spit and your smartphone’s camera to measure hormone levels.