Why Am I So Tired, Anxious, and Foggy After 40? Here’s What Might Be Happening”

woman on couch tired

Photo by Ephraim Mayrena

Are you in your 40s or 50s and finding it harder to sleep, think clearly, or even get through your day without feeling overwhelmed or emotionally on edge?

You’re not imagining it—and you’re definitely not alone.

I recently worked with a woman named Sarah, a 45-year-old mom and professional who came to me completely burned out. She described herself as:

  • “Wired but tired”

  • Snapping at her kids for no reason

  • Constantly forgetting things

  • Waking up at 3AM with a racing mind

  • Feeling emotionally flat and mentally foggy

She had already tried meditation, green smoothies, cutting sugar… and still felt like she was drowning.

Sound familiar?

Why You Might Feel Like a Stranger in Your Own Body

If this resonates, here’s what I want you to know: it’s not all in your head. These symptoms are often linked to hormonal changes, neurotransmitter imbalances, and chronic stress—a triple threat I see in almost every woman I work with over 40.

This is what was happening with Sarah:

  • Her cortisol levels were likely spiking at night (hello, 3AM wake-ups)

  • Her dopamine and serotonin—key brain chemicals for motivation and mood—were probably depleted

  • And her mitochondria (your body’s energy producers) were just… exhausted

This is not just “aging.” It’s burnout at the cellular level.
But the good news? We can support it.

What Helped My Client Feel Like Herself Again

When Sarah came to me, we didn’t throw 15 supplements at the problem. We created a targeted plan that supported the exact systems that were crashing underneath the surface.

Here are just a few pieces of that plan:

- Magnesium Glycinate (Evening)

Years of stress had likely drained her magnesium—leaving her anxious and restless. This form helped relax her muscles, improve sleep, and support her nervous system.

- L-Theanine (Morning + Afternoon)

A natural amino acid that promotes calm, focused energy. Instead of reacting to every little thing, she described feeling “like I’m not bracing for chaos all the time anymore.”

- L-Tyrosine (Morning)

This one supports dopamine—aka the motivation molecule. Within days, Sarah texted me, “I finally feel like I can finish a task again.”

But Here's the Truth...

Supplements are not magic. Sarah also had to improve her sleep habits, nutrition, and boundaries. But the right support gave her the clarity, calm, and energy to finally follow through on the lifestyle shifts that made everything else work.

Want to know exactly what I recommended for Sarah—and why?

Watch the full breakdown on YouTube:
https://youtu.be/YJXUN3k5Bkc?si=Z6Pg3q70ggrcstlr
(Including the one supplement I only recommend under physician supervision—plus what I don’t recommend for women on antidepressants.)

Still Guessing at What Your Body Needs?

I’m a firm believer in testing, not guessing. When we look at hormone levels, cortisol patterns, and even neurotransmitter status, we can create a strategy that’s built for your biology.

If you're nodding along and thinking, “This is me…” — it might be time to stop winging it and start getting answers.

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