Many women experience premenstrual syndrome (PMS) or premenstrual dysphoric disorder (PMDD) during their reproductive years. These conditions can bring a range of physical and emotional changes that may impact daily life.
Vitex agnus-castus, also known as chasteberry, is an herbal supplement that has been studied for its potential role in supporting women’s hormonal balance. This article will explore the clinical evidence regarding vitex for PMS relief and PMDD symptom management.
What are PMS and PMDD?
Premenstrual Syndrome (PMS) encompasses a variety of physical and emotional symptoms that occur in the days or weeks leading up to menstruation and typically resolve shortly after the period begins. These symptoms can include mood swings, irritability, breast tenderness, bloating, and fatigue.
Premenstrual Dysphoric Disorder (PMDD) is a more severe form of PMS, characterized by significant mood disturbances and other symptoms that can intensely disrupt daily functioning and relationships. Understanding these conditions is the first step in exploring potential supportive options.
Clinical Research on Vitex for PMS Symptoms
Several studies have investigated the efficacy of vitex agnus-castus for alleviating PMS symptoms. A meta-analysis of double-blind randomized controlled trials, published in 2019, concluded that vitex agnus-castus may offer benefits for women experiencing PMS [1]. Another systematic review from 2017 also supported the use of vitex for premenstrual syndrome [2].
Further research, including a systematic review and meta-analysis published in 2017, also indicated that preparations of Vitex agnus castus may be helpful for PMS [3]. A randomized, multi-center placebo-controlled study conducted in China found that vitex agnus castus provided support for PMS [4]. These findings collectively suggest a consistent pattern of potential benefit for managing PMS symptoms.
A recent pilot study in 2024 explored the effects of a preparation containing Vitex agnus-castus (PREMEN-CALM®) in the management of premenstrual syndrome, reporting positive outcomes in a randomized, double-blind, placebo-controlled setting [5]. Another randomized clinical trial, published in 2025, compared the effects of Vitagnus, soy, and Vitagnus-soy capsules on premenstrual syndrome in university students, contributing to the growing body of evidence [6].
Vitex and Premenstrual Dysphoric Disorder (PMDD)
Beyond general PMS, vitex has also been explored for its potential role in supporting individuals with PMDD. A systematic review published in 2017 included PMDD in its scope, suggesting that vitex agnus castus may be a consideration for managing symptoms associated with this more severe condition [2].
A comparative study from 2003 evaluated Vitex agnus castus extract against fluoxetine in the context of PMDD, providing insights into its potential effectiveness [7]. Additionally, a 2011 article discussed new therapeutic strategies, including their experience with Vitex agnus castus, for the psychic aspects of premenstrual dysphoric disorders [8]. These studies indicate that vitex may offer a supportive option for PMDD.

A systematic review from 2014 also examined herbal medicine, including vitex, for premenstrual syndrome/premenstrual dysphoric disorder, further supporting its potential utility [9].
How Vitex May Offer Support
While the exact mechanisms are still being researched, vitex is believed to exert its effects by interacting with the endocrine system. It is thought to influence the pituitary gland, which in turn can impact the balance of certain hormones involved in the menstrual cycle. This hormonal modulation is considered a key factor in its potential to help with PMS and PMDD symptoms.
A systematic review of clinical trials published in 2013 on Vitex agnus-castus extracts for female reproductive disorders noted its potential to support hormonal balance [10]. This broad review highlights the herb’s historical and ongoing investigation in women’s health.
References
- Vitex agnus-castus in premenstrual syndrome: A meta-analysis of double-blind randomised controlled trials. Complementary therapies in medicine, 2019
- Vitex agnus castus for premenstrual syndrome and premenstrual dysphoric disorder: a systematic review. Archives of women’s mental health, 2017
- The treatment of premenstrual syndrome with preparations of Vitex agnus castus: a systematic review and meta-analysis. American journal of obstetrics and gynecology, 2017
- Treatment for premenstrual syndrome with Vitex agnus castus: A prospective, randomized, multi-center placebo controlled study in China. Maturitas, 2009
- Effects of the PREMEN-CALM® in the Management of the Premenstrual Syndrome: A Randomized, Double-Blind, Placebo-Controlled Pilot Study. Journal of dietary supplements, 2024
- Comparison of the Effects of Vitagnus, Soy, and Vitagnus-soy Capsules on Premenstrual Syndrome in University Students: A Randomized Clinical Trial. International journal of community based nursing and midwifery, 2025
- Fluoxetine versus Vitex agnus castus extract in the treatment of premenstrual dysphoric disorder. Human psychopharmacology, 2003
- [Psychic aspects of the premenstrual dysphoric disorders. New therapeutic strategies: our experience with Vitex agnus castus]. Minerva ginecologica, 2011
- Effects and treatment methods of acupuncture and herbal medicine for premenstrual syndrome/premenstrual dysphoric disorder: systematic review. BMC complementary and alternative medicine, 2014
- Vitex agnus-castus extracts for female reproductive disorders: a systematic review of clinical trials. Planta medica, 2013
These statements have not been evaluated by the Food and Drug Administration. This information is not intended to diagnose, treat, cure, or prevent any disease. Content is for informational purposes only and is not medical advice; consult a qualified healthcare provider before starting any supplement. As an Amazon Associate we earn from qualifying purchases.



