Vitex (Chaste Tree Berry): Uses, Dosage, and Safety

Vitex, also called chaste tree or chasteberry, is an herbal supplement people use to support menstrual health and hormone balance. Some users report less breast pain, fewer mood swings, and more regular cycles. The science is mixed but promising for PMS and certain menstrual issues, so it’s worth knowing how to use it safely.

How it may work: vitex seems to affect the pituitary gland and may lower prolactin or change the balance of luteinizing hormone (LH) and follicle-stimulating hormone (FSH). That sounds technical, but the practical result for some women is fewer PMS symptoms and improved cycle regularity.

Common uses and what to expect

People most often try vitex for:

- PMS or PMDD symptoms like mood swings, irritability, and breast tenderness.

- Irregular periods or mild luteal phase problems.

- Symptoms tied to elevated prolactin (after testing and on a clinician’s advice).

Don’t expect fast results. Most people need at least 8–12 weeks to notice changes, and some need up to 6 months. If nothing changes after a few cycles, stop and talk with your clinician.

Dosage, side effects, and safety tips

Typical doses vary. Many supplements use a standardized extract taken once daily; other products use dried berry powder. Follow the product label and a healthcare provider’s advice. If you want a ballpark: many clinical trials used extract forms and daily dosing rather than tiny home remedies.

Side effects are usually mild: stomach upset, headache, acne, and occasional skin reactions. Because vitex can affect hormones and prolactin, it can interact with certain medicines. Avoid it if you’re on dopamine agonists or some antipsychotics, and be cautious with hormonal contraceptives or fertility drugs—talk to your prescriber first.

Do not use vitex if you are pregnant or breastfeeding unless a clinician approves. If you have hormone-sensitive conditions (like certain cancers), get medical clearance before trying it.

Quality matters. Pick products from trusted brands that list ingredients and use third-party testing when possible. Look for standardized extracts and clear dosing. Cheap, vague mixes may not work the same.

Want to try vitex? Start by checking with your doctor, especially if you take other medications or have chronic health issues. Track symptoms and cycle changes in a simple diary so you can see if it’s helping. If you notice new symptoms or worsening mood, stop the supplement and consult a clinician right away.

Vitex won’t fix every hormone issue, but for some people it's a low-risk option that can reduce PMS symptoms and improve cycle regularity. Use it thoughtfully and with medical guidance for the best results.