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13 August 2025 · Updated 20 August 2025 · Views: 19

Tea and Cortisol: How Green Tea Helps Reduce Stress Hormones

Lexy Pacheco

Lexy Pacheco

Focused chiropractic DONA, certified doula

Reviewed by Lexy Pacheco

Tea and Cortisol: How Green Tea Helps Reduce Stress Hormones

Feeling overwhelmed by high cortisol levels and stress? The connection between tea and cortisol may surprise you. Research suggests that green tea and cortisol have an inverse relationship: thanks to L-theanine, green tea can help lower stress hormones naturally without the crash of coffee

Unlike caffeinated beverages that can spike stress hormones, green tea contains L-theanine, an amino acid that promotes relaxation without drowsiness. Studies suggest that regularly drinking green tea may help reduce cortisol levels over time. This makes green tea one of the best natural ways to lower cortisol and support stress relief compared to other caffeinated beverages. Its anti-inflammatory properties further support overall well-being, making it a healthier alternative to black tea or coffee when managing stress levels. Simply steeping a few tea bags could be your first step toward a calmer mind and balanced body.

If you're looking for a long-term solution to stress, green tea’s dual benefits for cortisol and blood pressure make it a standout choice. While some caffeinated beverages trigger a cortisol increase, the moderate caffeine in green tea, combined with L-theanine, helps reduce stress without the jitters. Whether you prefer it hot or iced, incorporating green tea into your routine may help lower stress hormones and promote relaxation. So next time you feel tension rising, consider swapping your usual drink for a soothing cup—it might be just what your body needs.

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Tea and Cortisol:
Why Green Tea Helps Balance Stress Hormones 

Cortisol, often called the "stress hormone," spikes during chronic stress, overstimulation, or poor sleep—leaving you feeling wired yet exhausted. While cortisol is essential for survival, consistently high cortisol levels can disrupt blood pressure, sleep, and overall well-being. This is where tea, particularly green tea, may offer relief. Unlike highly caffeinated beverages that can further elevate cortisol, green tea contains L-theanine, an amino acid that promotes relaxation by balancing stress hormones. Additionally, its anti-inflammatory polyphenols help counteract the long-term effects of stress, making it a gentler alternative to coffee or black tea.

Signs of High Cortisol Levels

  • Constant fatigue despite rest
  • Difficulty falling or staying asleep
  • Increased belly fat or weight gain
  • Frequent anxiety or racing thoughts
  • High blood pressure or blood sugar spikes

While tea isn’t a cure-all, certain varieties—like green tea—can help modulate cortisol and reduce stress levels over time. The ritual of steeping tea bags itself can be calming, signaling the nervous system to unwind. Though not a magic solution, incorporating tea into a mindful routine may help lower cortisol increase, support relaxation, and provide a moment of respite in a hectic day. For those seeking natural ways to manage stress, green tea’s unique blend of L-theanine and antioxidants makes it a simple yet effective choice.

Green Tea and Cortisol vs Herbal Teas for Stress Relief

Green Tea

Green tea stands out for its unique combination of L-theanine and moderate caffeine, which work together to promote alertness without triggering a cortisol increase. Studies suggest that green tea may help reduce cortisol levels by blunting stress-induced hormonal surges, making it ideal for those who need focus without added tension. Its anti-inflammatory properties also support long-term stress resilience, unlike some caffeinated beverages that can overstimulate stress hormones.

Chamomile Tea

For those sensitive to caffeine, chamomile tea offers a gentle alternative. Naturally caffeine-free and rich in apigenin, a compound that binds to calming receptors in the brain, chamomile has been shown in small studies to reduce stress levels and lower cortisol. Sipping chamomile before bed may help quiet an overactive mind, making it a perfect choice for promoting relaxation without stimulation.

Other Supportive Teas

If you're looking for variety, several herbal teas can help manage high cortisol levels:

  • Lemon balm – Eases nervous tension and supports mood.
  • Licorice root – Helps regulate adrenal function (avoid with blood pressure concerns).
  • Tulsi (holy basil) – An adaptogen that combats stress long-term.
  • Rooibos – Caffeine-free, antioxidant-rich, and great for evening relaxation.

Whether you prefer green tea for daytime balance or herbal tea bags for nighttime calm, choosing the right brew can help reduce stress and support a healthier response to life’s pressures.

Real-Life Tea Moments That Helped Real People

For many, tea isn’t just a drink—it’s a small, healing ritual that helps reset stress hormones and high cortisol levels. One reader shared how swapping her evening coffee for chamomile tea became her “off switch” for the day: “After weeks of restless nights, chamomile helped me finally unwind. Now, just holding the warm cup signals my brain—it’s time to relax.”

Another found relief in green tea during hectic afternoons: *“I used to crash hard at 3 PM, reaching for sugary snacks or more coffee. Now, I brew green tea instead—the L-theanine keeps me focused but calm, without the cortisol spike.”* These aren’t dramatic cures, but subtle shifts—a mindful pause with tea bags, a moment to breathe, and a gentler way to reduce stress long-term.

Even small changes—like choosing anti-inflammatory herbal blends over caffeinated beverages—can help. As one person put it: “Some days, just the act of steeping tea reminds me to slow down. And my body thanks me for it.” Sometimes, the simplest rituals make the biggest difference.

How to Use Tea to Support Cortisol

Managing high cortisol levels doesn’t require drastic measures—sometimes, small, intentional habits make the biggest difference. Start by choosing one mindful tea ritual: perhaps green tea in the morning for balanced energy (thanks to its L-theanine and modest caffeine), or a caffeine-free herbal infusion like chamomile or rooibos in the evening to promote relaxation. Avoid caffeinated beverages too close to bedtime, as they can interfere with sleep and inadvertently increase cortisol.

When you sip, slow down. Notice the warmth of the cup, the aroma, the subtle flavors—this simple act of presence can signal your nervous system to unwind. For deeper calm, pair your tea with deep breathing or a few moments of quiet. Remember, while tea can help reduce stress levels and lower cortisol, it works best alongside other healthy habits—good sleep, movement, and stress management. Think of it as a supportive ally, not a cure-all. A daily cup won’t erase life’s pressures, but it might make them easier to hold.

Other Ways to Reduce Cortisol Naturally

  • Practice deep breathing or meditation daily
  • Exercise moderately (yoga, walking, swimming)
  • Keep a consistent sleep schedule
  • Limit alcohol and excess caffeine
  • Drink stress-supportive teas like green tea, chamomile, or rooibos

What Tea Can’t Do (And What Might Work Better Sometimes)

While tea—especially green tea and herbal blends—can help reduce cortisol levels and promote relaxation, it has limits. Tea doesn’t replace foundational cortisol-regulating habits like deep sleep, balanced nutrition, or professional therapy. For some, even moderate caffeine in green tea may worsen anxiety, and certain herbs (like licorice root) can disrupt blood pressure or hormones if overused.

If stress hormones feel unmanageable, consider pairing tea with other strategies:

  • Prioritize sleep—nothing lowers high cortisol levels like consistent rest.
  • Move mindfully—gentle exercise helps metabolize excess cortisol.
  • Seek support—sometimes stress requires more than tea bags can offer.

Tea is a soothing piece of the stress-relief puzzle—not the whole solution. Use it wisely, listen to your body, and build a broader toolkit for long-term balance.

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Your Tea Ritual Is a Small Act of Self-Compassion

Cortisol balance isn’t about perfection—it’s about gentle, consistent care. A cup of green tea in the morning, with its mindful pause and L-theanine calm, or a chamomile ritual at dusk, signaling to your body that it’s safe to unwind. These small moments add up.

You don’t need to eliminate stress entirely (that’s impossible). But you can choose warmth over rush, sips over urgency. Whether it helps lower cortisol, eases tension, or simply gives you three quiet minutes—your tea ritual is a way to say: "I am here, and I am tending to myself."

No magic, no pressure. Just steam, stillness, and the reminder that you deserve ease. One mindful sip at a time.

FAQ: Tea and Cortisol

Does green tea lower cortisol?

Yes. Studies show that green tea, thanks to L-theanine, helps reduce cortisol levels and promote calm focus without the jitters of coffee.

Is tea good for stress and anxiety?

Tea and cortisol are closely linked—drinking calming teas like green tea, chamomile, or rooibos may lower stress hormones and reduce anxiety symptoms.

What’s the best time to drink green tea for cortisol balance?

Morning or early afternoon is ideal. Drinking green tea in the evening may interfere with sleep due to caffeine, so opt for chamomile or rooibos before bed.

Which tea is best for high cortisol levels?

Green tea supports cortisol balance with L-theanine. Chamomile and lemon balm are caffeine-free options that reduce stress and improve sleep quality.

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