Marigold tea is a caffeine-free herbal infusion traditionally used to ease digestive inflammation, support skin healing, and soothe sore gums. It’s made from the petals of pot marigold (Calendula officinalis), a plant rich in plant pigments, anti-inflammatory compounds, and antioxidants. While much of the research is still in early stages, the existing evidence lines up well with centuries of traditional use across several areas of health.
Before diving into the benefits, one important clarification: “marigold” is a common name shared by several different plants. The one used for tea is Calendula officinalis, sometimes called pot marigold or common marigold. It is not the same as the bright orange and yellow garden marigolds (Tagetes species) sold at most nurseries. Those varieties contain different compounds and some may even harbor harmful substances. If you’re buying marigold tea or dried petals, make sure the label specifies Calendula officinalis.
Reducing Inflammation Throughout the Body
The most well-supported benefit of calendula tea is its anti-inflammatory activity. Lab studies show that calendula flower extracts block the production of several key inflammatory signals in the body, including the same pathway targeted by common over-the-counter painkillers like ibuprofen. This broad anti-inflammatory effect is what connects many of the tea’s traditional uses, from calming an irritated stomach to soothing inflamed skin.
Calendula petals contain a group of compounds called triterpenoids (particularly one called faradiol) along with flavonoids and carotenoids. Together, these work to dampen inflammatory responses at the cellular level. The tea won’t replace medication for serious inflammatory conditions, but as a daily beverage it delivers a mild, systemic dose of these compounds.
Digestive Comfort and Gut Lining Support
Calendula tea has been used for centuries to treat gastrointestinal ulcers and internal organ inflammation. In vitro research supports this: calendula extracts effectively reduce the production of inflammatory molecules that contribute to gut irritation and tissue damage. For people dealing with an easily upset stomach, mild gastritis, or general digestive discomfort, a warm cup of calendula tea after meals is one of the most common traditional applications.
The tea works by calming the inflammatory cascade in the digestive lining, which may help protect against the kind of chronic low-grade irritation that leads to ulcers over time. It’s worth noting that most of this evidence comes from lab studies rather than large clinical trials in humans, so the strength of the effect when you drink a cup of tea is less certain than the mechanism itself.
Skin Healing From the Inside Out
Calendula is perhaps best known as a topical skin remedy, but drinking the tea may offer internal benefits for skin as well. Research shows that calendula extracts, taken both orally and applied topically, promote wound healing by increasing the production of collagen-building compounds like hydroxyproline and hexosamine. These are the raw materials your body uses to rebuild damaged skin tissue.
The anti-inflammatory effect also plays a role here. By reducing inflammatory signaling throughout the body, calendula tea may help calm skin conditions driven by internal inflammation, such as redness, irritation, or slow-healing minor wounds. Many herbalists recommend drinking the tea while also applying calendula-based creams or salves externally for a combined approach.
Oral Health and Gum Inflammation
One of the more surprising and well-supported uses of calendula is for gum health. A clinical study with 60 participants tested a mouthwash containing calendula extract (combined with rosemary and ginger) against chlorhexidine, the gold-standard prescription mouthwash for gingivitis. Over 14 days, both the herbal and prescription mouthwashes significantly improved clinical measures of gum health, with comparable results.
Calendula-based gels are also used to treat inflammation of the oral lining, including the painful mouth sores that can develop during cancer treatments like radiation and chemotherapy. While drinking the tea isn’t the same as using a concentrated mouthwash, swishing the tea around your mouth before swallowing gives the anti-inflammatory compounds direct contact with your gums and oral tissues. Some people brew a stronger batch specifically for use as a mouth rinse.
Eye-Protecting Pigments
Calendula flowers, especially the deep orange varieties, are one of the richest natural sources of lutein, a pigment that plays a critical role in eye health. Lutein accumulates in the macula of your eye, where it acts as a natural filter against UV damage and protects retinal cells from free radical damage. Higher lutein intake is associated with a lower risk of age-related macular degeneration, the leading cause of vision loss in older adults.
Dried orange calendula petals contain roughly 1.1% lutein by weight before any processing. The amount that ends up in your cup of tea depends on how long you steep and how many petals you use, but regularly drinking the tea contributes to your overall intake of this protective compound. Lutein is fat-soluble, so adding a small amount of milk, coconut oil, or butter to your tea may help your body absorb more of it.
How to Prepare Marigold Tea
Making calendula tea is straightforward. Place 4 to 5 dried calendula flower heads in a mug or teapot and pour freshly boiled water over them. For drinking, steep for about 10 minutes. If you’re making a stronger brew for use as a skin rinse or mouth rinse, let it steep for 20 to 30 minutes. Strain out the flowers and drink warm or at room temperature.
The flavor is mild, slightly earthy, and faintly sweet with a hint of peppery bitterness. Many people find it pleasant on its own, though it blends well with honey, lemon, chamomile, or ginger.
Safety and Who Should Avoid It
Calendula tea is generally well tolerated, but it carries a specific allergy risk. Calendula belongs to the Asteraceae family, the same plant family as ragweed, chamomile, and daisies. If you have a known allergy to any of these plants, calendula may trigger a similar reaction ranging from mild skin irritation to more serious allergic symptoms. People who are highly sensitive to ragweed pollen should be particularly cautious, since cross-reactivity between Asteraceae species is well documented.
Pregnant women are traditionally advised to avoid calendula tea, as some of its compounds may stimulate uterine activity. Safety data for use during pregnancy, breastfeeding, and in young children remains limited, so most herbalists recommend erring on the side of caution for these groups. For most other adults, one to three cups per day is a typical and well-tolerated amount.