What is Vitex agnus-castus?

Category: Supplements


See also: Herbal Supplements

Vitex agnus-castus is the Latin name for the herb also commonly called Monks Pepper, chasteberry and vitex. It acts as a stimulate for the pituitary gland to produce more progesterone and less prolactin. It does not contain hormones, but only stimulates the pituitary gland.

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Support hormone balance 3 1
Acne 1 0
Fibrocystic breast tissue 1 0
General health 1 0
Hirsutism (excessive hair growth) 1 0
Hormonal imbalance 1 0

Show all 9 reasons taken

  • Major
  • Moderate
  • Slight
  • None
  • Can't tell

Side effects

Side effects as an overall problem

Side effects as an overall problem
Severity Evaluations
Severe 0
Moderate 0
Mild 0
None 1

Commonly reported side effects and conditions associated with Vitex agnus-castus

Side effect Patients


Based on patients currently taking Vitex agnus-castus

Dosage Patients
500 mg daily 1
1,000 mg daily 1

Why patients stopped taking Vitex agnus-castus

Multiple reasons could be selected

Reason Patients
Did not seem to work 1
Doctor's advice 1
Other 1
See all 3 patients who've stopped taking Vitex agnus-castus


Currently taking Vitex agnus-castus

Duration Patients
5 - 10 years 1
10 years or more 1

Stopped taking Vitex agnus-castus

Duration Patients
1 - 6 months 2
6 months - 1 year 1
Adherence Evaluations
Always 0
Usually 1
Sometimes 0
Never taken as prescribed 0
Burden Evaluations
Very hard to take 0
Somewhat hard to take 0
A little hard to take 1
Not at all hard to take 0
Last updated:
There are no evaluations for Vitex agnus-castus.