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What Can Sweet Fennel Oil Do for Your Health?

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Reprinted with the kind permission of Dr. Mercola.What Is Sweet Fennel Oil?
Sweet fennel oil comes from crushed fennel seeds (Foeniculum vulgare). The plant, which is a part of the Apiaceae family including carrots or parsley, 1 has an herby, slightly spicy smell that resembles aniseed. It is native to Southern Europe, but is also now grown in parts of Northern Europe, Australia and North America. 2
Uses of Sweet Fennel Oil
Fennel was used in various ancient civilizations — by the Egyptians for food and medicine and by the Chinese as a remedy for snake bites. During the Middle Ages, it was hung over doorways to drive away evil spirits.
In present times, sweet fennel oil is used mostly for medicinal purposes, such as killing parasitic worms and their spores in the intestines and excretory tracts and as a laxative with no side effects. It is also used for cosmetic purposes, especially as an ingredient in massage oils,3 perfumes, toothpastes and soaps.4
Composition of Sweet Fennel Oil
The chemicals found in sweet fennel oil include anethole, fenchone, estragole, a-pinene and ß-pinene, a-phellandrene and ß-phellandrene, a-Terpineol, myrcene, campfer and para-Cymol.5
Benefits of Sweet Fennel Oil
Sweet fennel oil acts as a stimulant for the nervous, digestive and excretory system and the endocrine and exocrine glands. It helps relieve dizziness, fatigue and exhaustion.6 Other benefits you can get from using sweet fennel oil include:
  • Carminative: eases indigestion and stomach pain
  • Diuretic: removes excess water, sodium, uric acid, bile salts and other toxic elements
  • Splenic: protects the spleen from various infections
  • Depurative: removes toxic substances in the blood
  • Expectorant: provides relief from mucus and phlegm that lead to congestion of the nasal tract, pharynx, bronchi and lungs
  • Emmenagogue: relieves painful dysmenorrhea and helps prevent untimely or premature menopause in women
  • Galactagogue: increases production of breastmilk in lactating mothers
Sweet fennel oil is also used to help treat insect bites, anorexia, hiccups, rheumatism and spasms. The oil is also helpful in preventing wounds from becoming infected with tetanus.
How to Make Infused Sweet Fennel Oil
Commercially available sweet fennel oil is made through steam distillation. However, you can make your own homemade sweet fennel oil infusion at home. Root to Fruit gives a simple step-by-step instruction on how to make infused sweet fennel oil.7
How Does Sweet Fennel Oil Work?
Sweet fennel oil can be taken topically8 or via inhalation, although I strongly recommend against taking it internally. Here are other ways to use this essential oil therapeutically:
• Massages and baths: Add two to three drops into your massage oil or your bath water.
• Facials: Blend a few drops with an unscented facial cream.
• Direct inhalation: Dilute three to four drops into a vaporizer or diffuser.
• Wounds: Apply one to two drops to the affected area.
Is Sweet Fennel Oil Safe?
Despite its many health benefits, I strongly advise you to take caution when using sweet fennel oil because it may also come with health hazards. Sweet fennel oil’s trans-anethole component boosts estrogen production, which can be harmful for women who are pregnant, have breast or uterine cancers and tumors or have a history of hormone-linked carcinoma or endometriosis.9
Likewise, if you have been diagnosed with epilepsy, peptic ulcer, hemophilia and other bleeding disorders or are taking diabetes or anticoagulant medication, I suggest that you avoid sweet fennel oil or any essential oil for that matter, to avoid serious complications.10
People with sensitive skin and children under the age of 5 should also stay away from this essential oil to prevent allergic reactions. Always check with your physician and/or take a skin patch test first to make sure that you can use sweet fennel oil without any problems.
Side Effects of Sweet Fennel Oil
Sweet fennel oil can have narcotic effects such as convulsions, hallucinations and mental imbalance, especially when consumed in large doses. It may also cause vomiting, seizures and pulmonary edema. Also, excessive topical use of sweet fennel oil may put you at risk to photosensitivity or dermatitis.11Sources and References

1 Herb Society of America
2 Esoteric Oils
3 Floracopeia
4 Plants For A Future
5 Examine
6 Organic Facts
7 Root to Fruit, Fennel Infused Oil
8 The East-West School for Herbal & Aromatic Studies
9 Home Remedy Central
10 Bio Source Naturals
11 Herbal Supplement Resource


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