Health Library / Hormones
This content is for education only and is not medical advice. I'm a fitness coach, not a physician. Talk to your doctor before starting any medication, hormone, supplement, or new exercise program, especially if you have a medical condition or take prescriptions.
Something changes in your mid-forties and nobody hands you a manual. You're sleeping the same hours and waking up tired. The weight sits differently — more around the middle, less everywhere else. The workout that used to leave you loose now leaves you sore for three days. And somewhere around the third week of feeling like this, you type your symptoms into your phone at 11pm and the internet tells you it's your hormones and you need a clinic.
Maybe. But let's slow down, because this is the single most oversold story in the over-45 health world and I've watched it cost people a lot of money and a couple of years.
Testosterone in men drifts down starting somewhere in your thirties, on the order of about 1% a year. That's a slow slide, not a cliff. A 50-year-old with a normal level is common. A 50-year-old whose level fell off a ledge in eighteen months is a different conversation, and it's a conversation with a doctor.
Estrogen in women doesn't drift, it drops. Perimenopause can run for years before periods stop, and the swings during that stretch are often rougher than what comes after. US median for the last period is around 51.
Growth hormone output falls with age for everyone. This is real and it's also the hook for an entire industry I'll get into in a later module.
Cortisol and insulin sensitivity both change, and these two get almost no attention compared to the first two, which is backwards. How your body handles a bagel at 52 is not how it handled one at 32.
Here's what I wish more people heard before they booked the consult: fatigue, low mood, soft midsection, no drive, poor sleep, weak workouts — that exact symptom list is also what bad sleep looks like. And an underactive thyroid. And depression. And carrying an extra thirty pounds. And
drinking four nights a week. And sleep apnea, which a lot of men over 45 have and don't know it.
Every one of those is more common than genuinely low testosterone. Several of them are fixable without a prescription. And at least two of them will make your hormone panel look worse than it actually is, which means if you test in the middle of a bad stretch of sleep, you may get a number that sends you down a road you didn't need to be on.
That's not me telling you it's all in your head. It isn't. Something is wrong and you're right to chase it. I'm telling you that the thing that's wrong has more than one candidate, and the only way to sort the candidates is bloodwork read by somebody qualified to read it.
Get the labs. Not a direct-to-consumer panel you interpret yourself off a chart — labs ordered by a physician who knows your history and can look at the whole picture, including the stuff that has nothing to do with hormones.
Go in with specifics instead of vibes. How many hours are you actually sleeping, and does anyone tell you that you snore. What does a normal week of drinking look like. When did this start, and did anything else start at the same time. What's your waist measurement doing. Which of these came first.
A good doctor can do a lot with that. A clinic whose business model is selling one specific treatment is going to find that you need that one specific treatment, and you should know that going in.
Some people over 45 have a genuine hormone problem and treating it changes their life. Some people over 45 are exhausted because they're sleeping five hours and drinking on weeknights, and no injection fixes that.
Your job isn't to guess which one you are. Your job is to get the information that tells you, and then decide with someone who can actually see your chart.
Last updated September 30, 2026