A tropical hardwood tree originating in Southeast Asia, neem offers dozens of benefits for the human body. Neem is often administered topically, in the form of an essential oil. However, the Neem Foundation notes that this important herb is safe to take internally as a powder or water-soluble extract. While neem powder is generally considered to be safe, it may be associated with some side effects or drug interactions. Consult your health care provider before using neem to prevent or treat any disease or condition.
Respiratory Health
Neem helps to relax the muscles that cause coughing, asthma and other respiratory complaints. Taken internally, neem powder may act as a gentle cough suppressant and anti-asthmatic.
Birth Control
Neem powder supplements act as a marginally effective form of birth control for both men and women. The Neem Foundation reports that men experience reduced sperm count and sperm motility when taking oral neem supplements. Neem also weakens the lining of the uterus and may help to prevent pregnancy.
Anti-Parasitic Effects
Neem powder supplements are traditionally used to eliminate internal parasites, including tapeworm and pinworms. These parasitic infections are common in children; however, the health information website eHerbal notes that neem can be toxic to very young children.
Anti-Cancer Activity
The Neem Foundation reports that neem appears to destroy cancerous cells in in-vitro (test tube) environments. Until scientists have pursued further investigations of its effectiveness, neem should not be used alone as a treatment for cancer or any other serious condition.
Malaria
In neem's native range, where malaria is fairly common, powdered neem bark is used as a complementary treatment for malaria.
Digestive Health
According to eHerbal, neem powder may help to treat nausea and vomiting. In Ayurveda, neem is sometimes used as a carminative (anti-gas) agent; it may also help to soothe contractions of the colon associated with irritable bowel syndrome (IBS).
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