[2025] Herb Robert Tea - Benefits, Side Effects and Nutrition Facts (2025)

The author of this article is not a doctor. If you need a medical opinion, please consult a medical doctor. This article is for entertainment purposes only.

Herb Robert tea, made from the delicate leaves and stems of Geranium robertianum, is a traditional herbal infusion with a centuries-old reputation for promoting health and longevity. This humble wild plant—commonly found in forests, hedgerows, and gardens across Europe and North America—has recently regained attention for its impressive healing potential.

Known colloquially as “red robin,” “cranesbill,” or “St. Robert’s herb,” Herb Robert boasts a long history in folk medicine as a remedy for infections, inflammation, and fatigue. Herb Robert tea is celebrated for its antioxidant content, immune-supportive compounds, and gentle detoxifying effects. Its earthy, slightly astringent flavor makes it a grounding and nourishing beverage for daily wellness.

This guide will walk you through everything you need to know—from nutritional insights to preparation tips, recipes, side effects, and where to buy high-quality options.

Nutritional Profile of Herb Robert

Here is the Nutrition Facts table for Herb Robert tea:

Nutrition Facts

for 1 Cup (240 ml) of Herb Robert Tea

(Prepared with 1 tsp dried Herb Robert in water)

Based on a 2,000-calorie daily diet

Notes:

• These values are estimates and will vary depending on the strength of the infusion and the quality of the herb.
• Herb Robert tea is typically not consumed for macronutrient content but for its bioactive phytochemicals (antioxidants, tannins, geraniin, etc.).
• Silica, flavonoids, and polyphenols provide benefits but are not yet required on standard nutrition panels and have no established %DV.

Key Plant Compounds in Herb Robert

1. Geraniin:
   A powerful ellagitannin with documented antioxidant and anti-inflammatory properties. Geraniin is believed to neutralize free radicals, protect cells, and support immune defenses.
2. Flavonoids:
   Herb Robert is rich in flavonoids like quercetin and kaempferol. These compounds contribute to cardiovascular health, improve capillary strength, and have anti-inflammatory effects.
3. Tannins:
   The astringent nature of Herb Robert comes from tannins, which help tone tissues and act as natural antimicrobials. Tannins may also soothe the digestive tract and support wound healing.
4. Essential Oils:
   While not abundant, trace volatile oils in Herb Robert offer mild antimicrobial and calming properties.

Health Benefits of Herb Robert Tea

Immune System Support

• Boosts natural defenses: Herb Robert contains geraniin and other tannins that help stimulate white blood cells and enhance the body’s resistance to pathogens.
• Antiviral activity: Some studies suggest Herb Robert may inhibit viral replication due to its antimicrobial compounds.
• Antibacterial properties: Traditional herbalists have long used Herb Robert tea for immune system enhancement, especially for preventing and managing minor infections such as colds and sore throats.

Antioxidant and Anti-inflammatory Properties

• Fights oxidative stress: The high levels of polyphenols in Herb Robert neutralize free radicals, reducing the risk of cellular damage and chronic disease [study].
• Reduces inflammation: Tannins and flavonoids can help calm internal inflammation, which is a root cause of many chronic illnesses.
• Protects skin and tissues: Antioxidants in Herb Robert may support collagen health and protect skin from environmental damage.

Detoxification and Kidney Support

• Mild diuretic action: Herb Robert acts as a gentle diuretic, encouraging the elimination of waste through the urine.
• Liver-friendly herb: Some traditional practices use Herb Robert to support liver function and bile production, promoting natural detoxification.
• Kidney cleanser: Its diuretic effect is particularly helpful for flushing out the kidneys and urinary tract, possibly reducing the risk of infections or stone formation.

Circulatory and Cardiovascular Health

• Improves blood flow: Traditionally used to “move the blood,” Herb Robert may support circulation and reduce sluggishness.
• Strengthens blood vessels: Flavonoids in the tea help tone and protect the blood vessel walls, reducing the risk of capillary fragility.
• Heart-protective effects: Though more research is needed, its antioxidant profile suggests it may support heart function and reduce arterial plaque buildup over time.

Cancer Support Claims (With Scientific Caution)

• Anecdotal reports: Some herbal traditions recommend Herb Robert tea as an adjunct to cancer care, citing its detoxifying and antioxidant nature.
• Geraniin and immune modulation: Preliminary studies on geraniin (in vitro) show it may interfere with cancer cell development and support immune surveillance.
• NOT a cure: While Herb Robert cancer support claims exist, there is no robust clinical evidence that it cures or treats cancer. It should only be used with professional guidance and never as a substitute for medical treatment.

Potential Side Effects and Safety Considerations

While Herb Robert tea is generally considered safe for most adults when consumed in moderate amounts, it’s important to be aware of potential side effects and precautions.

Possible Side Effects

• Digestive upset: In rare cases, drinking too much Herb Robert tea may cause mild nausea, cramping, or upset stomach.
• Skin sensitivity: The fresh plant contains small amounts of compounds that may cause dermatitis in sensitive individuals when handled.
• Bitter taste: Its astringency may not suit everyone’s palate and could lead to a dry mouth or astringent aftertaste in large quantities.

Who Should Avoid It?

• Pregnant or breastfeeding women: Due to its lack of safety data and mild astringent effects, it’s best avoided during pregnancy or lactation.
• People with low blood pressure: Since it may mildly affect circulation, those with hypotension should consult a healthcare provider.
• Chronic medication users: Herb Robert may interact with blood thinners or diuretics; consult a doctor if you’re on regular medication.

Safe Usage Guidelines

• Dosage: A typical serving is 1–2 teaspoons of dried herb per cup of hot water, taken up to twice daily.
• Duration: As a general rule, limit usage to 2–3 weeks at a time, with breaks in between.
• Monitor reactions: Always start with a small amount to test your individual tolerance.

How to Prepare Herb Robert Tea

1. Measure the herb: Use 1–2 teaspoons of dried Herb Robert per cup (250 ml) of water.
2. Boil water: Heat fresh, filtered water to just below boiling, around 90–95°C (195–205°F).
3. Steep the tea: Pour hot water over the herb, cover, and let steep for 10–15 minutes to extract the active compounds.
4. Strain and serve: Strain the leaves and drink warm. You may add honey or lemon to improve taste.

Fresh Herb Variation

If using fresh Geranium robertianum, double the amount: use 2–4 teaspoons of chopped leaves per cup of hot water. The taste may be slightly greener and more pungent.

Tips for Best Results

• Use a lid while steeping to preserve the aromatic oils and volatile compounds.
• Do not boil the herb directly, as this can destroy sensitive phytochemicals.
• Drink 1–2 cups daily for general wellness; avoid long-term daily use without breaks.
• Store dried Herb Robert in a cool, dark place in an airtight container to maintain potency.

Creative Recipes

Herb Robert Pesto

Ingredients:

• 1 cup fresh Herb Robert leaves (lightly packed)
• 1/2 cup fresh basil or parsley (for balance)
• 1/4 cup pine nuts or sunflower seeds
• 1 garlic clove
• 1/4 cup olive oil
• Juice of 1/2 lemon
• Salt to taste

Instructions:

1. Rinse and dry the Herb Robert leaves thoroughly.
2. Add all ingredients to a food processor or blender.
3. Blend until smooth, adjusting olive oil for consistency.
4. Use immediately or store in a sealed container in the fridge for up to 3 days.

Herbed Grain Bowl with Herb Robert

Ingredients:

• 1 cup cooked quinoa or brown rice
• 1/2 cup sautéed mushrooms
• 1/4 cup steamed kale
• 2 tbsp finely chopped fresh Herb Robert leaves
• 1 boiled egg or chickpeas (optional)
• 1 tbsp olive oil
• 1 tsp apple cider vinegar
• Salt and pepper to taste

Instructions:

1. Combine the cooked grain with the veggies and protein of your choice.
2. Mix in chopped Herb Robert leaves while warm.
3. Drizzle with olive oil and vinegar.
4. Toss gently and serve warm or chilled.

Savory Herb Robert Frittata

Ingredients:

• 4 eggs
• 2 tbsp milk or plant-based milk
• 1/4 cup chopped Herb Robert leaves
• 1/4 cup diced onion
• 1/4 cup chopped red bell pepper
• 1 tbsp grated cheese (optional)
• Salt, pepper, olive oil

Instructions:

1. Whisk eggs, milk, salt, and pepper.
2. Sauté onion and bell pepper in olive oil until soft.
3. Add chopped Herb Robert and cook for 1 minute.
4. Pour in the egg mixture and cook on low until set.
5. Finish under a broiler or in the oven, if needed.

Where to Buy Quality Herb Robert Tea

Where to Buy

• Specialty herbal stores: Local apothecaries or herb shops often stock high-quality loose-leaf Herb Robert.
• Organic online retailers: Reputable websites like Mountain Rose Herbs, Starwest Botanicals, or Indigo Herbs often offer Herb Robert tea brands that are certified organic and lab-tested.
• Wildcrafted sources: Some small-scale herbalists offer wild-harvested Herb Robert, which may be more potent if sustainably picked.

What to Look for

1. Color and appearance: Dried Herb Robert should be green-brown with reddish stems—avoid yellowed or musty-looking leaves.
2. Aroma: A clean, slightly earthy scent indicates freshness.
3. Cut and sifted vs. whole: Cut-and-sifted blends are ideal for tea; powder form is less desirable for infusions.
4. Packaging: Choose products stored in airtight, light-proof packaging to preserve freshness.

Buying Tips

• Check the Latin name (Geranium robertianum) to ensure authenticity.
• Avoid bulk bins exposed to air and light, which degrade quality.
• Compare prices: A 100g package of dried Herb Robert typically costs $8–15 depending on quality.

Conclusion

From its immune-boosting properties and antioxidant effects to its role in detoxification and circulatory support, this underappreciated herb has much to offer for those seeking a natural, balanced approach to health. Thanks to its rich nutritional profile—including tannins, flavonoids, and key vitamins—Geranium robertianum tea acts as both a tonic and a healing agent.

While the herb is generally safe for most people, it’s essential to be mindful of proper dosing, possible interactions, and short-term use guidelines. As always, consult a qualified herbalist or healthcare provider before beginning regular use, especially if you are pregnant, nursing, or on medication.

Have you tried this tea? Share your experiences and any additional tips in the comments below – and feel free to ask any question about it. And subscribe to the Heal with Tea Newsletter for more (herbal) teas.