Ashwagandha Side Effects for Men: The Emotional Numbness Nobody Warns You About

I tested ashwagandha for 30 days and had a good experience — better sleep, less stress, improved workouts. But after that video went live, a pattern emerged in the comments that I hadn’t expected. People were describing emotional flatness, complete loss of libido, and feeling like they were watching their life from the outside. I hadn’t seen this coming, and most supplement guides don’t mention it either. Here’s what the research says and what to watch for.

Why Does Ashwagandha Cause Emotional Numbness in Some Men?

Ashwagandha works primarily by lowering cortisol. That’s the whole point — when you’re stressed, cortisol is elevated, and ashwagandha brings it down. The problem is that cortisol isn’t just a stress hormone. It’s also what gets you out of bed in the morning, what makes you feel excited about things, and what contributes to that general feeling of being engaged with life.

The theory — and research here is still limited — is that for some people, ashwagandha doesn’t just lower cortisol to a healthy level. It suppresses it so much that they end up emotionally flat. Comments from viewers described things like losing interest in hobbies they used to love, finding their favourite TV show boring, not caring about weekend plans they’d been looking forward to. One person wrote: “I used to get excited about my weekend plans, but now I just don’t care about anything anymore.” That’s not a minor side effect. That’s losing part of yourself.

Can Ashwagandha Kill Your Libido?

Yes — and this came up repeatedly in the comments. One woman wrote that after nearly ten years of marriage she had suddenly lost all interest in her husband and thought something was seriously wrong with her relationship. When the culprit turned out to be a supplement she’d started taking, it put things in a different light. Libido loss tied to ashwagandha is likely connected to the same cortisol suppression mechanism — and possibly to its effects on hormone balance more broadly.

This side effect is particularly underreported because most people don’t immediately connect it to a supplement. They assume the problem is with themselves or their relationship.

Can You Become Dependent on Ashwagandha for Sleep?

This also came up in the comments — people who found ashwagandha helpful for sleep initially but after months of daily use couldn’t fall asleep without it. One person had been taking it for over a year and couldn’t sleep without a dose. At that point it’s no longer a supplement helping you sleep better — it’s a dependency. And that defeats the purpose entirely.

Does Dosage Make a Difference?

Yes, significantly. Research suggests people taking more than 600mg daily are considerably more likely to report emotional blunting effects. The problem is that many supplements don’t accurately label their ashwagandha content, so someone who thinks they’re being conservative might actually be taking a much higher dose than they realise. This is worth checking carefully before you start.

What Are the Warning Signs to Watch For?

Stop taking ashwagandha immediately if you notice any of the following:

You stop caring about things you used to enjoy. Your favourite activities feel flat or boring. Plans with friends or family that you’d normally look forward to no longer create any excitement. Intimacy with your partner feels like a chore rather than something you want. Unusual fatigue or loss of motivation that isn’t explained by anything else.

These aren’t general life stress. These are signs that ashwagandha may be affecting your hormone balance and brain chemistry. Don’t try to push through them — they tend to get worse with continued use, and it can take weeks or months for your natural hormone production to recover after stopping.

How Do You Use Ashwagandha More Safely?

If you decide to try it, a few things reduce the risk. First, quality matters — look for supplements standardised to contain at least 1.5% withanolides (the active compounds), and prioritise brands with third-party testing. KSM-66 is a widely used and well-researched extract. Avoid cheap products with no specification of active ingredient content.

Second, cycle it rather than taking it continuously. The recommended approach is six to eight weeks on, followed by a two to four week break. This prevents dependency and reduces the risk of cumulative effects building up. Looking back, this is likely why I didn’t experience those issues — I wasn’t using it consistently enough for long enough.

Third, start at a lower dose than the label recommends and see how your body responds over a few weeks before increasing. You should feel calmer and sleep better — not emotionally flat or disengaged.

If you’re on medications for anxiety, depression, or thyroid issues, talk to your doctor before adding ashwagandha. And if you notice any of the warning signs above, stop immediately rather than hoping they resolve on their own.

Author

Stuart Patrick

Stuart Patrick is a health and fitness lifestyle journalist who writes for ListedFit.com.

“I've spent a lot of time trying to get in shape and change my body and I realised there are so many untruths in the health and fitness industry that can slow down or stop your progress, so I share my knowledge and experience to help others to cut through the BS.”

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