Steaming cup of calendula tea with vibrant orange and yellow calendula flowers on a sunny kitchen table, watercolor illustration

The Healing Power of Calendula Tea: Benefits Backed by Research

Calendula (Calendula officinalis), often called pot marigold, has been used in traditional medicine for centuries — and modern research is beginning to confirm what herbalists have long known. Brewed as a tea, calendula flowers offer a gentle yet powerful range of wellness benefits.

1. Powerful Anti-Inflammatory Properties

Calendula contains flavonoids, triterpenoids, and polysaccharides that have demonstrated significant anti-inflammatory activity. Studies show these compounds inhibit pro-inflammatory cytokines, making calendula a natural option for those managing chronic inflammation.*

Citation: Preethi, K.C., et al. (2009). "Wound healing activity of Calendula officinalis." Journal of Wound Care, 18(8), 325–332.

2. Rich in Antioxidants

Calendula flowers are among the richest plant sources of antioxidants, including lutein, zeaxanthin, beta-carotene, and quercetin. These compounds neutralize free radicals, protecting cells from oxidative damage linked to aging and chronic disease.*

Citation: Kishimoto, S., et al. (2005). "Carotenoid composition in the petals of Calendula officinalis." Bioscience, Biotechnology, and Biochemistry, 69(11), 2122–2128.

3. Supports Digestive Health

Calendula has long been used to soothe the gastrointestinal tract. Research suggests its anti-inflammatory and antispasmodic properties help relieve stomach cramps, gastritis, and irritable bowel symptoms by calming the gut lining.*

Citation: Basch, E., et al. (2006). "Calendula (Calendula officinalis L.): An evidence-based systematic review." Journal of Herbal Pharmacotherapy, 6(3–4), 135–159.

4. Immune System Support

Calendula has demonstrated immunomodulatory effects in research, stimulating the production of immune cells. Its antimicrobial and antifungal properties may help the body defend against common pathogens, offering gentle seasonal immune support.*

Citation: Efstratiou, E., et al. (2012). "Antimicrobial activity of Calendula officinalis petal extracts against fungi, as well as Gram-negative and Gram-positive clinical pathogens." Complementary Therapies in Clinical Practice, 18(3), 173–176.

5. Skin Health from the Inside Out

Calendula is one of the most studied botanicals for skin health. Its anti-inflammatory, antioxidant, and collagen-stimulating properties support skin repair and clarity. Consuming calendula tea may promote a healthy complexion from within.*

Citation: Givol, O., et al. (2019). "A systematic review of Calendula officinalis extract for wound healing." Wound Repair and Regeneration, 27(5), 548–561.

6. Lymphatic & Detoxification Support

Traditional herbalists have long used calendula as a lymphagogue — an herb that supports lymphatic flow and helps the body clear waste and toxins. Emerging research supports its role in supporting healthy lymphatic function and reducing swollen lymph nodes.*

Citation: Hamburger, M., et al. (2003). "Preparative purification of the major anti-inflammatory triterpenoid esters from Marigold (Calendula officinalis)." Fitoterapia, 74(4), 328–338.

7. Menstrual & Hormonal Balance

Calendula has been traditionally used to regulate menstrual cycles and ease cramping. Its antispasmodic and anti-inflammatory properties may help reduce uterine muscle tension, offering natural relief during menstruation.*

Citation: Basch, E., et al. (2006). "Calendula (Calendula officinalis L.): An evidence-based systematic review." Journal of Herbal Pharmacotherapy, 6(3–4), 135–159.

8. Oral Health Benefits

Studies have found that calendula extract has antimicrobial activity against oral pathogens including Streptococcus mutans, the primary bacteria responsible for tooth decay. Drinking calendula tea may support overall oral hygiene and gum health.*

Citation: Dumenil, G., et al. (1980). "Evaluation of antibacterial properties of marigold flowers (Calendula officinalis) and mother homeopathic tinctures of C. officinalis." Annales Pharmaceutiques Françaises, 38(6), 493–499.

9. Anxiety & Nervous System Support

Calendula has mild nervine properties, meaning it may help calm the nervous system. Some research suggests its flavonoids interact with GABA receptors in the brain, producing a gentle calming effect that may ease mild anxiety and promote restful sleep.*

Citation: Sarris, J. (2018). "Herbal medicines in the treatment of psychiatric disorders." Phytotherapy Research, 32(7), 1147–1162.

10. Anti-Tumor & Cellular Protective Properties

Preliminary laboratory studies have found that calendula extracts exhibit cytotoxic activity against certain cancer cell lines, attributed to its triterpenoids and flavonoids. While more human research is needed, these findings highlight calendula's potential as a cellular-protective botanical.*

Citation: Ukiya, M., et al. (2006). "Anti-inflammatory, anti-tumor-promoting, and cytotoxic activities of constituents of marigold (Calendula officinalis) flowers." Journal of Natural Products, 69(12), 1692–1696.


*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Always consult your healthcare provider before adding herbal teas to your wellness routine.


Ready to experience the benefits? Try our Calendula Tea Bags — 100% Natural, No Caffeine, Vegan and make it part of your daily ritual.

Back to blog