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A 12-week trial of Vitex agnus-castus saw HDL cholesterol rise 5.74 mg/dL — but only in women with PCOS, making the finding a narrow one.
This is among the first controlled studies linking vitex to cholesterol changes, so while the result is intriguing for a specific clinical group, it's too early to assume it applies to anyone else.
In a randomized, double-blind trial, women with Polycystic Ovary Syndrome who took a standardized Vitex extract for 12 weeks experienced a 5.74 mg/dL increase in HDL cholesterol compared to placebo. The same study also found improvements in LDL, insulin resistance, and PCOS symptoms like hirsutism. However, because the trial was limited to this clinical population and the body of evidence is still small, the benefit may not extend to people without PCOS.
Where this fits in the evidence
This is among the first studies we've indexed on Vitex for Increased HDL Cholesterol — treat it as an early signal until more research accumulates.
The study
- Randomized Controlled Trial (RCT)
- 2026-01-01
- JBRA assisted reproduction
This is a plain-language summary of a research finding, not medical advice. Pillser surfaces research signals to help you decide what's worth investigating — always consult a qualified professional before changing what you take.