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18 Signs Your Testosterone is Dropping (And What to Do)

Updated on August 5, 2025 by TMM Staff · Fitness, Lifestyle

A stressed person holding their head at a desk.
©Curated Lifestyle/Unsplash.com

Let’s just say it… feeling “off” lately isn’t something you imagined. Energy down, drive low, gym sessions dragging… Yeah, there’s a decent chance your testosterone might be pulling a Houdini on you. And look, no one wants to talk about that kind of stuff out loud. But ignoring it is not exactly the move either.

Testosterone plays a bigger role than most of us give it credit for. Mood, muscle, motivation… yep, all in that hormone’s job description. If it’s slipping, your whole vibe can feel off-kilter. Here are 18 clues your T-levels might be dipping, along with what you can actually do about it.

Table of Contents

Toggle
  • 1. You’re feeling way more tired than usual
  • 2. Your libido decided to take a sabbatical
  • 3. Morning wood has gone MIA
  • 4. You’re losing muscle, even with workouts
  • 5. Your belly’s starting to take over
  • 6. Mood swings are getting out of hand
  • 7. You’re more anxious or down than usual
  • 8. Erections aren’t as firm or consistent
  • 9. Your beard or body hair is thinning out
  • 10. You’re struggling to focus
  • 11. Workouts are harder than they should be
  • 12. You’ve got weaker bones (and maybe back pain)
  • 13. You feel less confident in general
  • 14. You’re sweating more than usual
  • 15. Your sleep quality has taken a nosedive
  • 16. Your heart’s racing for no good reason
  • 17. You’re having fertility issues
  • 18. You’ve just felt off for a while

1. You’re feeling way more tired than usual

©Curated Lifestyle/Unsplash.com

That afternoon crash isn’t just about too much takeout or one-too-many late nights. When testosterone drops, your energy tanks right along with it.

Sleep doesn’t hit the same either. You might still clock in eight hours and wake up like you ran a marathon in your dreams. Fatigue that just won’t quit is a huge red flag.

2. Your libido decided to take a sabbatical

©Curated Lifestyle/Unsplash.com

One minute things were spicy, the next minute it’s… crickets. Low testosterone messes with libido in a way that sneaks up on you.

You don’t even notice it right away. But then it’s been a couple of weeks, maybe even longer, and your interest in anything bedroom-related has nosedived. It’s a frustrating kind of “meh.”

3. Morning wood has gone MIA

A man in bed holding his jaw in pain.
©Getty Images/Unsplash.com

This one’s awkward, but let’s not sugarcoat it. Testosterone is part of the reason those morning salutes happen.

When it’s low, your body stops sending those signals. So if the sunrise ritual isn’t showing up much anymore, your hormone levels could be throwing in the towel.

4. You’re losing muscle, even with workouts

©Getty Images/Unsplash.com

If you’re putting in time at the gym and your biceps are still playing hide-and-seek, that’s a red flag. Testosterone is a big-time player in muscle maintenance.

Strength training used to give results fast. Now? It feels like lifting for maintenance, not growth. That slow fade in gains could be a T issue.

5. Your belly’s starting to take over

A person grabbing belly fat through a shirt.
©Towfiqu barbhuiya/Unsplash.com

Yep, the dad bod creep. Testosterone helps with fat distribution, especially around the midsection.

When levels drop, it’s like your body gets better at storing fat, just not where you’d want it. That lower belly pouch gets stubborn really fast.

6. Mood swings are getting out of hand

A man sitting on a couch, looking stressed while using a laptop.
©Getty Images/Unsplash.com

Suddenly annoyed by traffic? Snapping at random stuff? Feeling a bit too weepy during commercials?

Low testosterone doesn’t just mess with your body. It nudges your emotional baseline, too. Things that didn’t bug you before suddenly do. And yeah, it’s annoying.

7. You’re more anxious or down than usual

A man sitting with his head down, comforted by someone with a hand on his shoulder.
©Elena Helade/Unsplash.com

Testosterone has ties to how you handle stress. When it dips, your ability to “brush it off” kinda goes with it.

Things feel heavier. Little stuff becomes big stuff. If you’re feeling more anxious or just flat, don’t chalk it up to bad vibes. Your hormones might be waving a red flag.

8. Erections aren’t as firm or consistent

A man sitting on a bed looking upset while a woman lies behind him.
©Getty Images/Unsplash.com

This one hits the ego harder than we’d like to admit. It’s not about “performance” really. It’s just that the usual reaction isn’t showing up.

Testosterone helps with blood flow, and when it’s not pulling its weight, things just don’t work the same. Embarrassing? Sure. Fixable? Absolutely.

9. Your beard or body hair is thinning out

©Getty Images/Unsplash.com

Hair isn’t just about genetics. Testosterone also helps keep things growing.

So if your beard’s looking patchy or body hair’s going AWOL, that change might be your body whispering that something’s off.

10. You’re struggling to focus

©Getty Images/Unsplash.com

Forgetfulness, zoning out mid-task, losing your train of thought… yeah, testosterone’s tied to that too.

You might write it off as stress or being busy, but brain fog with no real cause is something worth checking, especially when it won’t let up.

11. Workouts are harder than they should be

A man running on a treadmill in a gym.
©Getty Images/Unsplash.com

If climbing stairs suddenly feels like hiking Everest, your T levels could be messing with your stamina.

Recovery takes longer, soreness sticks around, and pushing through feels more like dragging yourself forward. You’re still putting in the effort, just not getting the reward.

12. You’ve got weaker bones (and maybe back pain)

A healthcare worker massaging a man's leg.
©Getty Images/Unsplash.com

Most guys never think about bone density until something starts aching for no reason. Testosterone supports bone strength, so when it dips, things start creaking.

You might notice more backaches, joint stiffness, or little tweaks that linger longer than they should. That foundation needs attention as well.

13. You feel less confident in general

A frustrated man at a desk holding a crumpled paper.
©Getty Images/Unsplash.com

Not in a “you forgot to wear deodorant” way, more like something deeper is off. Confidence comes partly from how you feel in your skin, and hormones help shape that.

When testosterone is low, even small stuff can feel overwhelming. That rock-solid inner vibe starts feeling a little… wobbly.

14. You’re sweating more than usual

A tired man with a towel around his neck resting after a workout.
©Getty Images/Unsplash.com

Extra sweat out of nowhere, especially at night? That can happen when testosterone drops and throws your internal thermostat into chaos.

You might wake up drenched or notice that you’re overheating faster during the day, even without much movement.

15. Your sleep quality has taken a nosedive

A man lying in bed reaching to turn off an alarm clock.
©Getty Images/Unsplash.com

Tossing, turning, waking up in the middle of the night like you’re on watch duty… it’s all part of the hormone mess.

Testosterone plays a role in how deeply and consistently you sleep. Lower levels can mean shallower rest and less recovery.

16. Your heart’s racing for no good reason

A man clutching his chest in discomfort while sitting at a desk.
©Getty Images/Unsplash.com

Resting heart rate creeping up? Feeling fluttery even when you’re just chilling? Testosterone levels affect cardiovascular health, too.

When those hormones shift, your heart sometimes tries to compensate. That racing or irregular beat could be a signal, not just anxiety.

17. You’re having fertility issues

A man sitting on a bed, deep in thought with hands under his chin.
©Getty Images/Unsplash.com

Trying for a baby and getting radio silence afterwards? Testosterone is involved in sperm production, and lower levels might be part of the problem.

Low libido and weak performance are one thing. But if you’re also seeing changes in fertility, that’s another signal your system’s out of sync.

18. You’ve just felt off for a while

A man sitting on a couch with hands clasped, looking worried.
©Getty Images/Unsplash.com

Can’t quite explain it, but something feels… different? Like you’re not yourself lately? That vague “off” feeling is often the sum of all the little signs adding up.

Whether it’s motivation, physical changes, or mood shifts, your hormones might be doing more behind the scenes than you think.

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About TMM Staff

The Modest Man staff writers are experts in men's lifestyle who love teaching guys how to live their best lives.

If an article is published under TMM Staff, that means multiple writers worked on it. For example, sometimes several of us have experience with a certain brand, so we collaborate to publish a more thorough review.

Or, if an article was originally written by one person, but then it was updated by someone else, we'll re-publish it under TMM Staff.

Remember: all of our articles (including those below) are written by real people with decades of combined experience in men's fashion and lifestyle topics.

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