Chasteberry: benefits by goal, the dosage that worked, and the supplements ranked
What the 38 human studies of chasteberry we graded show for each goal, the dose that worked, and the products that hold it. This page is educational, not medical advice.
Chasteberry benefits, by goal: what the studies show
Members OnlyThe top 1 of 1 goals
| Goal | What the studies show | Studies | Dose that worked |
|---|---|---|---|
| Hormone Balance for Women | Improved in studies 38 studies, 22 showed an improvement, 2 found none, 12 pooled analyses | 38 | 20 mg |
Chasteberry supplements, ranked by the human studies
Members OnlyThe top 1 of 1
Chasteberry dosage: how much per day
The dose that worked in the studies, and the upper limit
The studies taken by mouth that showed an improvement gave 20 to 40 mg a day.
Biohacker panel
Members OnlyWhat our 10 biohackers say about chasteberry
Dr. Mark Hyman, 29 Jun 2026: Chasteberry is among the supplements with the strongest evidence for PMS, shown effective in studies of over 5,000 women. Source
Thomas DeLauer, 30 Nov 2022: Recommends Chasteberry as a good compound for getting estrogen levels up, suggesting it be taken alongside DHEA. Source
Dr. Eric Berg, 26 Jun 2021: Recommends chasteberry, an herb known to increase fertility, decrease prolactin levels, increase cervical mucus to support sperm, decrease PCOS, support follicle development, and improve egg quality. Source
Ben Greenfield, 18 Jan 2018: Recommends chasteberry as an herb that is good for balancing hormones in both men and women. Source
Questions people ask
Members OnlyAnswered from the figures on this page
What is chasteberry good for?
By the human studies we graded, chasteberry shows an improvement for hormone balance for women.
Chasteberry for hormone balance for women: what do the studies show?
In the human studies of chasteberry we graded for hormone balance for women: 38 studies, 22 showed an improvement, 2 found none, 12 pooled analyses. The dose that worked: 20 mg a day.
How much chasteberry per day?
The studies taken by mouth that showed an improvement used 20 to 40 mg a day.
Can I take chasteberry with my meds?
Some supplements can change how meds work or are absorbed. Members have every product checked against the meds in their Health Profile before it joins their protocol.
Educational, not medical advice. Figures come from the human studies on PubMed we have graded; a study counts for a form when it names the form it used. Updated as new studies arrive. How we grade →
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