Fennel, derived from the seeds of Foeniculum vulgare, has a long history of use in traditional medicine and continues to attract scientific interest for its potential digestive and hormonal benefits. Research suggests that fennel may help ease bloating, support overall digestive comfort, and provide relief from menstrual discomfort, with some studies also exploring its role in soothing infant colic when used under appropriate guidance. Additionally, preliminary evidence indicates fennel tea and seed extracts may support lactation in nursing mothers and contribute to oral health through their naturally occurring antimicrobial compounds. While findings are promising across these areas, much of the research remains early-stage, and anyone considering fennel as a supplement is encouraged to explore the available evidence and consult a healthcare provider.
Compare this supplementResearch suggests that fennel is among the most commonly included medicinal plants in digestive health supplements, p...
View studies →Research suggests that fennel-containing preparations may help reduce crying time in infants with colic, based on a 2...
View studies →The available linked research does not include any studies examining fennel for lactation support. The single study p...
View studies →These are commonly referenced dosage ranges for this supplement. They are not medical recommendations. Always consult a healthcare provider before supplementing.
| Form | Dose range | Frequency | Studied for | Source |
|---|---|---|---|---|
| Capsule | 300–600 mg | Three times daily | Digestive health and bloating relief | Common in clinical trials for functional dyspepsia and IBS symptom management |
| Capsule | 400–800 mg | Twice daily | Menstrual health and dysmenorrhea relief | Common in clinical trials studying fennel seed extract for primary dysmenorrhea |
| Extract | 100–200 mg | Twice daily | Dental and oral health, antimicrobial effects | Based on in vitro and small clinical studies on fennel extract mouthwash and antimicrobial activity |
| Extract | 30–45 mg | Three times daily | Infant colic relief | Based on RCTs using fennel seed oil emulsion (e.g., Alexandrovich et al. 2003) |
| Oil | 0.1–0.3 ml | Daily | Lactation support and milk production | Traditional use and small clinical studies on galactagogue effects |