High-Achiever on the Outside, Anxious on the Inside: How Hormones Affect Your Nervous System

Written by Amanda Tracy, ND

On July 15, 2025

You can lead a company meeting, negotiate a six-figure deal, and remember everyone’s dietary restrictions for the team retreat… but you can’t seem to stop snapping at your partner over dishes in the sink.

You don’t feel like yourself.

And here’s the twist: the part of you that used to “push through it” isn’t working anymore.
Not for this.
Not now.

So what’s going on? Why are you—someone who used to have an iron grip on your emotions—feeling so wobbly, irritated, or suddenly anxious for no clear reason?

Amy Thought She Was Just Burning Out—But It Was Something Deeper

Amy is the 49-year-old CEO of a successful creative marketing agency. She’s been leading teams, pitching to billion-dollar brands, and running back-to-back strategy meetings like a total boss for over 20 years.

But over the last year, something shifted.

She started hitting what she called a “wall of exhaustion” around 2pm—every. single. day. No matter how well she slept (when she could sleep), she’d find herself staring at her screen mid-afternoon, barely able to focus, relying on triple-shot lattes just to get through her inbox.

Worse?

She was forgetting things.
Little things.
The name of a new client’s product line.
Whether she had confirmed her son’s dental appointment.
Where she put her car keys after yoga.

Her edge—her sharpness—was dulling. And she knew it.

Amy has a history of PCOS, so her cycle had always been a little irregular. But now her period was completely unpredictable. Her doctor told her it was “just the PCOS” and that there was “nothing to do but wait it out.”

That didn’t sit right with her.

She didn’t want to wait it out.
She wanted answers.

Because something felt off. Not just in her body, but in her mind. Her fuse was shorter. Her anxiety was spiking out of nowhere. And even though she still looked like she had it all together, she didn’t feel like herself at all.

Turns out?

She wasn’t just burnt out. She was navigating perimenopause—on top of the complexities of PCOS and a burgeoning case of hypothyroidism—and no one had explained what that meant for her brain, energy, or hormones.

What was really going on?
A sharp decline in estrogen was impacting her brain’s ability to produce and respond to GABA—a neurotransmitter that helps keep the nervous system calm and grounded; her struggling levels of progesterone were leaving her thyroid gland in the lurch.

Without GABA? Cue the anxiety, brain fog, memory glitches, and irritability.

Without Thyroid hormone? Cue exhaustion, hair loss, constipation and weight gain.

And Amy? She didn’t need to push harder. She needed the right support for the way her body was changing.

Hormones Don’t Just Run Your Cycle. They Regulate Your Calm.

Let’s get one thing straight: you’re not “too emotional” or “crazy.”

Your nervous system is out of balance—and hormones like estrogen play a bigger role than most people realize.

Estrogen isn’t just about your period or fertility. It also helps regulate your brain’s most calming chemical: GABA (gamma-aminobutyric acid).

GABA is the neurotransmitter that helps you feel grounded, centered, calm. It’s like a weighted blanket for your nervous system.

When estrogen dips during perimenopause, GABA production and sensitivity take a hit. That means:

  • You feel more reactive.
  • Your fuse gets shorter.
  • It’s harder to calm yourself down when you feel overwhelmed.
  • Sleep gets weird, too—light, restless, fragmented.

Sound familiar?

Why You Can “Have It All Together” and Still Feel This Way

Here’s the tricky part: high-achieving women often ignore or override these symptoms because, well… we’re good at pushing through.

But perimenopause demands a new approach.

Because the tools that used to work—gritting your teeth, working harder, getting up earlier to fit in yoga—can actually backfire when your nervous system is already overstimulated.

It’s not about being tougher. It’s about being smarter with how you support your body and mind right now.

So What Can You Actually Do About It?

Here are 3 research-backed, nervous-system-supporting moves you can start making now:

1. Support GABA—Your Brain’s “Chill Pill”

No need to go out and buy a whole supplement shelf overnight but here’s where to begin to support yourself. Start with basics that help your body naturally produce and respond to GABA:

  • Magnesium glycinate before bed – 200–400 mg can help relax your muscles and mind
  • L-theanine – found in green tea or as a supplement; it gently promotes calm without drowsiness 100-200mg at a time
  • Slow, diaphragmatic breathing – 3-5 minutes a day while lying on the floor with legs up a wall

You don’t need to meditate on a mountain. Just a little nervous system reset every day.


2. Eat to Stabilize Your Mood (and Your Blood Sugar)

Big mood swings often come with blood sugar crashes. Especially when you’re skipping meals or surviving on oat milk lattes and almonds (and let’s be honest, they’re the salted and chocolate covered ones) at your desk.

Try this instead:

 

  • Build each meal around protein + fat (e.g. for breakfast, eggs or sprouted toast with avocado, not just fruit or oats)
  • Keep snacks in your bag like plant based protein bars, nut butter packets and an apple, or hummus and carrot sticks

It might sound boring. But it works.

3. Regulate Cortisol with Rhythms, Not Willpower

Your nervous system thrives on predictability. Help it out by:

  • Getting outside in natural light before 9 a.m. (yes, even for 5 minutes)
  • Setting a wind-down routine at night (no email after 8 p.m., dim the lights, warm shower)
  • Consider herbs like ashwagandha or rhodiola—but only after checking with someone who gets your full picture

Small rhythms = big impact.

You’re Not Broken. You’re Just Wired Differently Right Now.

If your nervous system feels off, it probably is.

And it doesn’t mean you’re weak, or that you’ve lost your edge.

It means your brain and body are navigating one of the biggest shifts of your life—and they need a new playbook.

Start small. Support your GABA. Eat in a way that keeps your blood sugar stable. Build rhythms that feel doable, not punishing.

And most of all—trust that your clarity, confidence, and calm can come back.

It’s already within you.
We just need to unlock it.

FREE GUIDE

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Balance your Hormones with Food and Feel Like Yourself Again

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