What is St. John’s wort?
St. John’s wort is a yellow-flowering plant known for its use in traditional and natural medicine. It is commonly used to support mental health, especially in the treatment of mild to moderate depression. The plant’s scientific name is Hypericum perforatum, and its extracts are found in various supplements, teas, and oils.
How does St. John’s wort work?
St. John’s wort works by influencing neurotransmitters in the brain, particularly serotonin, dopamine, and norepinephrine. These chemicals play key roles in mood regulation. The compounds hypericin and hyperforin found in the plant are believed to contribute to its antidepressant effects. These compounds may block the reuptake of neurotransmitters, helping improve mood over time.
What conditions is St. John’s wort used to treat?
St. John’s wort is primarily used for treating mild to moderate depression. It may also be beneficial for anxiety, seasonal affective disorder (SAD), sleep disorders, and symptoms of menopause. Some people use it as a natural remedy to relieve stress and improve emotional well-being.
Is St. John’s wort effective for depression?
Research suggests that St. John’s wort may be effective in reducing symptoms of mild to moderate depression. Several clinical studies have shown that it can be more effective than a placebo and as effective as some prescription antidepressants. However, it is not recommended for severe depression or bipolar disorder without medical supervision.
What are the side effects of St. John’s wort?
Common side effects of St. John’s wort include dry mouth, dizziness, gastrointestinal symptoms, fatigue, and sensitivity to sunlight. While side effects are generally mild, the herb can interact with a wide range of medications, including antidepressants, birth control pills, and blood thinners. It’s important to consult a healthcare provider before use.
Can you take St. John’s wort with other medications?
St. John’s wort can interfere with the effectiveness of many medications, including antidepressants, HIV treatments, chemotherapy drugs, and birth control pills. It induces liver enzymes that may speed up the metabolism of these drugs, reducing their effectiveness. Always check with a healthcare professional before combining it with other medicines.
How do you take St. John’s wort?
St. John’s wort is available in several forms, including capsules, tablets, liquid extracts, and teas. Dosage can vary depending on the form and brand. Most standardized extracts contain 0.3% hypericin and are taken in doses of 300 mg three times daily. It’s essential to follow the dosage instructions on the product or consult a healthcare provider.
Is St. John’s wort safe for long-term use?
St. John’s wort may be safe for long-term use in some people, but there is limited data on its effects over extended periods. Because of its potential for drug interactions and side effects, long-term use should be monitored by a healthcare professional. Regular check-ins with a doctor can help ensure safety and effectiveness.
Who should avoid St. John’s wort?
People who are pregnant or breastfeeding, those with bipolar disorder, or individuals taking prescription medications should avoid St. John’s wort unless advised otherwise by a healthcare provider. It may worsen certain conditions or lead to serious drug interactions. Children should not use it unless recommended by a doctor.
Where can you buy St. John’s wort supplements?
St. John’s wort supplements are available at health food stores, pharmacies, and online retailers. Look for standardized extracts from trusted brands that display clear dosing information and ingredient lists. Always choose products tested for quality and reviewed by third-party organizations to ensure safety and effectiveness.