You’ve probably heard of estrogen, testosterone, and cortisol – but do you really know what they do? And what about insulin, progesterone, melatonin, oxytocin, ghrelin, and the dozens of other hormones working behind the scenes every single day?
Key Hormones A-Z is your comprehensive reference guide to the major hormones that regulate your health. Each hormone profile breaks down the science in simple terms: where it’s produced in your endocrine system, what its primary job is, how it interacts with other hormones, and what happens when levels get too high or too low.
From metabolism regulators like thyroid hormones and insulin, to stress responders like cortisol and adrenaline, to reproductive hormones like estrogen and testosterone – we explain the “why” behind each one. Discover how melatonin controls your sleep-wake cycle, why leptin signals fullness, what oxytocin does beyond childbirth, and how growth hormone affects more than just height.
Understanding individual hormones gives you the vocabulary to recognize patterns in your symptoms and connect the dots between how you feel and what’s happening inside your body.
Knowledge is power. Start building yours here.
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