FENNEL

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What Is FENNEL?

Supplement

Fennel (Foeniculum vulgare) is a flowering plant in the carrot family traditionally used for digestive support and menopausal symptom relief. It contains bioactive compounds including anethole, fenchone, and estragole that exhibit antioxidant, anti-inflammatory, and mild estrogenic properties. Research suggests fennel may be beneficial for managing menopausal symptoms, improving sleep quality, and supporting digestive health.

FENNEL Research & Studies

01 Fennel (Foeniculum vulgare Miller) for the management of menopausal women's health: A systematic review and meta-analysis

Meta-analysis of 7 RCTs found fennel significantly improved menopausal symptoms with favorable effects on hot flushes and vaginal atrophy, though effectiveness for quality of life and psychological health remained unclear.

View Study (PubMed)
02 Effect of Foeniculum Vulgare (Fennel) on Sleep Quality of Menopausal Women: A Double-blinded, Randomized Placebo-controlled Trial

Double-blind RCT demonstrated that fennel supplementation significantly improved sleep quality in menopausal women compared to placebo over the study period.

View Study (PubMed)
03 Effect of Foeniculum vulgare Mill. (fennel) on menopausal symptoms in postmenopausal women: a randomized, triple-blind, placebo-controlled trial

Triple-blind RCT found fennel extract effectively reduced menopausal symptoms in postmenopausal women with good tolerability and minimal side effects.

View Study (PubMed)
04 Effect of Foeniculum vulgare (fennel) on symptoms of depression and anxiety in postmenopausal women: a double-blind randomised controlled trial

Double-blind study of 60 postmenopausal women showed fennel supplementation significantly reduced anxiety and depression symptoms compared to placebo.

View Study (PubMed)

FENNEL User Reviews & Experiences

75% Positive

*Based on large scale analysis of publicly available user experiences

Users report fennel as highly effective for digestive issues, with particular praise for its gut-calming properties and sleep improvement benefits. The traditional spice combination of cumin, coriander, and fennel receives strong positive feedback for digestive health.

FENNEL Benefits, Dosage & Side Effects

Effects
  • Digestive Support: Users consistently report relief from bloating, gas, and stomach discomfort when consuming fennel, particularly as tea or in spice combinations
  • Sleep Quality: Menopausal women report improved sleep quality and reduced insomnia when taking fennel supplements or tea regularly
  • Anxiety Reduction: Multiple users note calming effects and reduced anxiety symptoms, particularly when consuming fennel tea blends
  • Gut Health: Fennel appears in successful gut healing protocols alongside other supplements, with users reporting reduced inflammation and stomach pain
Effectiveness
  • Menopausal Symptoms: Research shows significant improvements in hot flushes, vaginal atrophy, and overall menopausal symptom scores across multiple controlled trials
  • Psychological Benefits: Clinical trials demonstrate measurable reductions in anxiety and depression scores in postmenopausal women, though mechanisms remain under investigation
  • Digestive Relief: Users report rapid onset of digestive benefits, with some noting effects within hours of consumption, particularly for bloating and gas
  • Sleep Improvement: Both research and user reports indicate improved sleep quality, with one user noting falling asleep in 15 minutes after taking oregano oil (which also contains fennel-like compounds)
Dosage & Administration
  • Tea Form: Users commonly prepare fennel tea by boiling fennel seeds, often in combination with cumin and coriander, consumed after meals for digestive support
  • Supplement Capsules: Research studies typically used fennel extract at standardized doses, with clinical trials showing benefits at various concentrations
  • Culinary Use: Fennel bulbs consumed as food (mentioned in restrictive diets) provide lower concentrations but consistent daily exposure
  • Timing: Users report best results when consuming fennel tea after meals or before bedtime for sleep support
Side Effects
  • Sulfur Sensitivity: One user with multiple intolerances noted that fennel bulbs were among the few tolerated foods, suggesting generally good tolerability
  • Minimal Adverse Events: Research studies consistently report no serious adverse events associated with fennel supplementation
  • Individual Variation: As with herbal remedies, some users may not respond or may experience different effects based on individual physiology
  • Estrogenic Effects: Due to mild estrogenic properties, fennel may affect hormone-sensitive conditions, though this was not reported as problematic in user experiences
Availability & Sourcing
  • Widely Available: Fennel is easily accessible as whole seeds, tea bags (particularly in brands like Yogi tea blends), and supplement capsules from various retailers
  • Food vs Supplement: Users can choose between culinary fennel bulbs for cooking, fennel seed tea, or concentrated extracts in capsule form depending on desired potency
  • Quality Variations: While specific brands weren't heavily discussed, fennel is generally available from both specialty supplement companies and mainstream grocery stores

Related Compounds

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