Vitex
Chasteberry / Vitex agnus-castus · Foundation
A berry extract with several trials for premenstrual symptoms and cycle irregularity.
What the evidence says
Randomized trials show reduced PMS symptoms over 3 cycles; effects on fertility are less clear.
What studies used
Trials commonly use 20-40 mg standardized extract per day.. Morning, daily across cycles..
Reported from published studies and product labelling — a record of what was used in research, not a recommendation. What is right for you is a conversation with a clinician.
Watch out for
- Hormonal contraception and hormone therapies
- Pregnancy
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