Angelica is a group of 60 to 90 herb species in the carrot family, and different species have been used for centuries to treat digestive problems, menstrual disorders, respiratory complaints, and more. The two most widely known are European angelica, used primarily for stomach issues, and dong quai (the Chinese species), used mainly as a blood tonic and for women’s reproductive health. While traditional use is extensive, rigorous human clinical trials remain limited for most applications.
The Main Species and Their Uses
When people say “angelica,” they could be talking about several distinct plants with overlapping but different medicinal profiles. European angelica has a long history in Western herbal medicine for treating gastric disorders like bloating, indigestion, and loss of appetite. Dong quai, cultivated mainly in the Gansu, Yunnan, Sichuan, and Shaanxi provinces of China, is one of the most prescribed herbs in traditional Chinese medicine for gynecological conditions, constipation, and anemia.
A third species, Korean angelica, is traditionally used for anemia, cardiovascular problems, arthritis, and as a mild sedative. Japanese angelica treats gynecological diseases and anemia as well. There’s also a Himalayan species used for digestive complaints and childhood wasting conditions, and yet another Chinese species whose dried root (“Bai Zhi”) treats headaches, sinus problems, toothaches, and skin conditions like acne. Across all species, the root is the primary part used medicinally.
Digestive Health
European angelica root is best known for settling the stomach. It has been used in both folk and official pharmacy traditions across many countries to relieve indigestion, flatulence, and feelings of fullness after meals. The root contains compounds that appear to support the movement of food through the digestive tract and reduce gas production. Angelica root tea, made by simmering up to three grams of dried root for 15 to 20 minutes, is one of the most common preparations for this purpose.
Animal studies have also shown benefits for gastric ulcers, though the effects vary depending on the dose and the type of extract used. The Himalayan species has a specific traditional role in treating bilious complaints and constipation, while dong quai is used in Chinese medicine to relax the bowels.
Women’s Reproductive Health
Dong quai is sometimes called the “female ginseng” because of its central role in treating women’s health conditions in Chinese, Korean, and Japanese medicine. It is traditionally prescribed for painful periods, absent periods, and menopausal symptoms. Several of its active compounds, including phthalides, ferulic acid, and polysaccharides, show biological activity in lab settings that could explain these effects.
That said, well-designed Western clinical trials confirming dong quai’s effectiveness for these conditions are in short supply. Most of the supporting evidence comes from traditional use and from Chinese clinical trials that follow a different diagnostic framework called “Zheng differentiation,” which doesn’t translate neatly into the randomized, placebo-controlled format familiar in Western medicine. This gap means dong quai remains widely used but not firmly proven by modern clinical standards for menstrual or menopausal relief.
Anxiety, Pain, and Respiratory Conditions
Animal research on European angelica has shown benefits across a surprisingly wide range of conditions, including anxiety, seizures, fibromyalgia-related pain, diabetic nerve pain, and asthma. Korean angelica root is traditionally used as a sedative and pain reliever, and another species is specifically prescribed for rheumatoid arthritis, headaches, paralysis, and insomnia in Chinese medicine.
For respiratory health, European angelica has shown potential in managing asthma symptoms in animal models. The root has historically been used as an expectorant to help clear mucus from the airways. However, these results are dose-dependent and vary based on the type of extract, and human studies are still needed to confirm whether these benefits hold up in people.
What’s Actually in the Root
Angelica roots are rich in coumarins, a class of plant chemicals with anti-inflammatory and blood-thinning properties. One analysis of a single species identified 13 different coumarins in the root alone. Some of these coumarins have demonstrated anti-allergic and anti-inflammatory effects in laboratory studies.
The roots also contain essential oils, polysaccharides (complex sugars that can influence the immune system), and compounds called lignans and polyacetylenes. Different species have different chemical profiles, which is why European angelica works best for stomach problems while dong quai is better suited for blood-related conditions. The specific mix of active compounds shifts depending on the species, where it was grown, and how the root was processed.
How Angelica Root Is Taken
Angelica root comes in several forms. Herbal references typically suggest 3 to 6 grams per day of dried root, though no proven safe or effective dose has been formally established for any species. Common preparations include:
- Tea or decoction: Up to 3 grams of dried root simmered for 15 to 20 minutes or steeped for 10 to 15 minutes
- Tincture: 20 to 60 drops diluted in water, up to three times daily
- Capsules or powder: Usually 400 to 800 mg twice daily
- Topical preparations: Infused oils or poultices applied to ease muscle tension or menstrual discomfort
More concentrated fluid extracts, equivalent to 0.5 to 2 grams of dried root, are also available but are best used with professional guidance. Long-term human safety data for all forms remain limited.
Safety Concerns and Interactions
Angelica root is generally well tolerated in typical doses, but it carries a few notable risks. The most common issue is photosensitivity. Angelica contains furanocoumarins, compounds that make your skin more reactive to sunlight. This can lead to skin rash, irritation, or unusually severe sunburn, particularly with higher doses or prolonged use.
Dong quai can also increase bleeding risk, which is a real concern if you take blood-thinning medications or antiplatelet drugs. The blood-thinning effect comes from the same coumarins that give the plant some of its therapeutic properties. Women who are pregnant or breastfeeding should avoid dong quai. The herb’s effects on uterine muscle and hormonal activity make it potentially unsafe during pregnancy, and breastfeeding safety has not been established.
Because some product labels recommend daily doses as high as 15 grams of root, and because no authoritative body has set a confirmed safe dose, long-term or high-dose use is best supervised by someone familiar with herbal medicine, especially if you take other medications.