Does Ironwort Tea Have Caffeine? The Complete Guide

December 22, 2025 •

3 min read

As confirmed by numerous herbalists and studies, ironwort tea is naturally and completely free of caffeine. This makes the herbal infusion, known scientifically as Sideritis, an ideal choice for those looking to avoid stimulants while still enjoying a warm, flavorful beverage.

Quick Summary

Ironwort tea, also called Greek mountain tea, is a naturally caffeine-free herbal infusion derived from the Sideritis plant, perfect for consumption at any time of day or night.

Key Points

Caffeine-Free: Ironwort tea is an herbal infusion from the Sideritis plant and contains no caffeine.
Calming Effect: Due to its lack of caffeine, ironwort tea is a non-stimulating beverage ideal for relaxation and evening consumption.
Rich in Antioxidants: The tea is known to be rich in natural antioxidants, which combat free radicals and support overall wellness.
Digestive Support: Studies suggest ironwort can help reduce inflammation and soothe the gastrointestinal tract.
Easy to Prepare: A cup of ironwort can be easily prepared by simmering the dried stems and leaves in boiling water for several minutes.
Immune Booster: Its antimicrobial and anti-inflammatory properties can aid in strengthening the immune system.

What is Ironwort Tea?

Ironwort tea, also widely known as Greek mountain tea or Shepherd's tea, is an herbal infusion made from the dried flowers, leaves, and stems of the Sideritis plant. The name 'ironwort' is believed to be derived from the Greek word for iron, sideros, potentially linked to its historical use in treating wounds. This traditional Mediterranean beverage has been valued for centuries for its pleasant, earthy flavor and beneficial properties.

Unlike traditional teas derived from the Camellia sinensis plant (like black, green, or oolong tea) which contain caffeine, ironwort is a true herbal tea. Herbal infusions, unless sourced from plants containing caffeine, are inherently caffeine-free.

The Verdict: No Caffeine in Ironwort Tea

To directly answer the question, "Does ironwort tea have caffeine?", the answer is definitively no. As an herbal infusion from the Sideritis genus, it lacks the methylxanthine compounds, such as caffeine, found in traditional teas. This allows for consumption at any time of day without concerns about sleep disruption or restlessness. Its naturally calming effect makes it a suitable drink for evening relaxation or a gentle start to your morning.

Ironwort Tea Benefits: A Gentle Path to Wellness

Beyond being caffeine-free, ironwort tea is recognized for several potential health benefits, largely attributed to its rich antioxidant content.

Immune System Support: The herb possesses anti-microbial, anti-inflammatory, and antioxidant properties that may help support immune function.
Digestive Aid: Research indicates that ironwort may have a protective effect on the digestive system, potentially soothing discomfort, reducing inflammation, and aiding digestion.
Mood Enhancement: Some studies suggest that compounds in ironwort might positively influence mood by affecting neurotransmitter levels in the brain.
Anxiety Relief: Known for its relaxing qualities, it may help alleviate feelings of stress and anxiety, contributing to a sense of calm.

How Does Ironwort Compare to Other Teas?

For those considering caffeine-free or low-caffeine options, understanding how ironwort compares to other popular teas is beneficial.


Feature	Ironwort Tea (Sideritis)	Green Tea (Camellia sinensis)	Black Tea (Camellia sinensis)	Chamomile Tea (Matricaria recutita)
Caffeine Content	0 mg	20-45 mg per 8 oz cup	40-70 mg per 8 oz cup	0 mg
Plant Source	Sideritis genus	Camellia sinensis	Camellia sinensis	Matricaria recutita (Daisy family)
Main Effect	Calming, relaxing	Energizing, stimulating	Strong stimulant	Calming, sleepy
Antioxidants	Rich in flavonoids & phenols	High in catechins	High in theaflavins & thearubigins	High in flavonoids

How to Prepare Ironwort Tea

Preparing a cup of ironwort tea is straightforward. The brewing method helps extract the herb's beneficial compounds and releases its subtle flavor profile, which can include notes of mint, citrus, and earthy undertones.

Boil water: Bring approximately 2 cups of water to a boil.
Add ironwort: Introduce 1-2 sprigs or 1-2 teaspoons of dried loose-leaf ironwort to the boiling water.
Simmer: Reduce the heat to a simmer, cover the pot, and steep for about 5 to 10 minutes, adjusting for desired strength.
Strain and serve: Carefully strain the tea into a cup, discarding the used sprigs.
Enjoy: Customize with a squeeze of lemon or a spoonful of honey if preferred. It is enjoyable served hot or iced.

Conclusion

In conclusion, ironwort tea, also known as Greek mountain tea, is a herbal infusion derived from the Sideritis plant and contains absolutely no caffeine. This characteristic distinguishes it from traditional teas like black and green tea, making it a suitable beverage for any time of day, including before sleep. Its notable antioxidant profile, potential benefits for digestion and the immune system, coupled with its pleasant taste, offer a healthful and relaxing drinking experience. For those seeking to reduce caffeine intake, this traditional Greek remedy presents a compelling option.

For those interested in the scientific research on Sideritis, further information can be found in various studies, such as those exploring the effects of Greek mountain tea.

Frequently Asked Questions

Yes, ironwort tea is also commonly known as Greek mountain tea, or by its scientific name, Sideritis.

The main difference is their source and caffeine content. Green tea comes from the Camellia sinensis plant and contains caffeine, while ironwort is a herbal infusion from the Sideritis plant and is naturally caffeine-free.

Yes, ironwort tea is an excellent choice for a nighttime beverage. Since it is naturally caffeine-free, it has a relaxing effect and won't interfere with your sleep.

Ironwort tea has a mild, earthy, and pleasant flavor, often with subtle hints of citrus, mint, and florals.

Studies and traditional use suggest that ironwort tea has an anxiolytic (anxiety-relieving) effect, promoting a sense of calm and helping with anxiety and stress.

Ironwort tea is generally considered safe and has no known negative side effects, especially in moderate consumption. It is naturally caffeine-free and suitable for daily enjoyment.

For the best flavor, simmer the ironwort sprigs in water for about 5-10 minutes, rather than just steeping in hot water. You can also add honey or lemon to taste.